WO2002007800A1 - Safety device of blood-bag and method for releasing the lock for safety - Google Patents

Safety device of blood-bag and method for releasing the lock for safety Download PDF

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Publication number
WO2002007800A1
WO2002007800A1 PCT/KR2000/000990 KR0000990W WO0207800A1 WO 2002007800 A1 WO2002007800 A1 WO 2002007800A1 KR 0000990 W KR0000990 W KR 0000990W WO 0207800 A1 WO0207800 A1 WO 0207800A1
Authority
WO
WIPO (PCT)
Prior art keywords
blood
patient
safety device
bar code
lock
Prior art date
Application number
PCT/KR2000/000990
Other languages
French (fr)
Inventor
Hyung-Soo Kim
Original Assignee
Kim Hyung Soo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kim Hyung Soo filed Critical Kim Hyung Soo
Priority to AU2000267396A priority Critical patent/AU2000267396A1/en
Publication of WO2002007800A1 publication Critical patent/WO2002007800A1/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1437—Locking means requiring key or combination to open the container
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/02—Blood transfusion apparatus
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J2205/00—General identification or selection means
    • A61J2205/10—Bar codes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/60—General characteristics of the apparatus with identification means
    • A61M2205/6009—General characteristics of the apparatus with identification means for matching patient with his treatment, e.g. to improve transfusion security

Definitions

  • the present invention relates to a safety device that holds blood-bags for transfusions
  • the safety device allows a blood transfusion to begin only when a patient's
  • unique identification data corresponds with the data registered on the blood-bag safety device.
  • the cross-matching of blood to be transfused is carried out in a blood bank
  • Cross-matching is a test to prevent serious adverse reactions, at times fatal, from
  • test results show there are no incompatibilities with the blood, it is then issued from the blood bank to the medical staff for transfusion to his/her patient.
  • the patient's identification is then issued from the blood bank to the medical staff for transfusion to his/her patient.
  • nursing staff independently identify the patient and unit of blood to be transfused at patient's
  • the principal object of the present invention is to provide a safety device for
  • Another object of the invention is to provide a safety device for blood-bags and a
  • a safety system for blood-bags which comprises: a safety device for holding
  • a device for blood-bags which comprises: a device for holding the blood-bag; a device for storing or
  • the first identification data is contained in a bar code. It comprises at least
  • At least one kind of information about the blood to be transfused namely, the blood type or
  • red blood cell concentrates red blood cell concentrates, platelets concentrates, or plasma.
  • the lock mechanism of the blood-bag safety device comprises a spring
  • the signal generator comprises: a receiver that reads the
  • a controller for judging whether the blood is
  • the blood in the bag is fit for the patient who needs a transfusion.
  • the first identification data is contained in a bar code and comprises of at
  • At least one kind of information about the blood to be transfused that is, the blood type or
  • red blood cell concentrates red blood cell concentrates, platelets concentrates, or plasma.
  • the second identification data also comprises at least one piece of
  • blood cell concentrates platelets concentrates, or plasma.
  • the signal generator comprises a magnetic field generator that creates a magnetic field if the blood is fit for the transfusion recipient, and a transmitter for sending the
  • the releasing signal generator comprises a wireless signal generator for
  • transfusion and a transmitter for sending the generated signal.
  • transfusion recipient from a mark or device with the patient; judging whether the blood is fit
  • the first identification data is contained in a bar code and comprises at least one
  • blood cell concentrates platelets concentrates, or plasma.
  • the second identification data also comprises at least one kind of
  • the blood type or blood component red blood cell concentrates, platelets concentrates, or plasma.
  • the releasing signal releases the lock on the blood-bag safety device.
  • releasing the lock on a blood-bag safety device comprises the following steps: reading the
  • releasing the lock on a blood-bag safety device comprises the following steps: reading the
  • the wireless signal corresponds with a preset pulse duration and interval length; and releasing the lock on the blood-bag safety device by means of the magnetic field generated.
  • FIG. 1 is a block diagram illustrating the bar code reader in accord with the first
  • FIG. 2 is a flow chart showing the transfusion data confirmation procedure of the
  • FIG. 3 is a flow chart showing the procedure for safely releasing the lock on the
  • FIG. 4 is a block diagram showing the structure of the blood-bag safety device in
  • FIG. 5a is a drawing showing the design of the bar code reader in accord with the
  • FIG. 5b is a drawing showing the movement of the electromagnetic bars in FIG. 5a.
  • FIG. 6 is a plan for inserting the electromagnetic bars of the bar code reader into the
  • FIG. 7 is a side [lateral] view of the structure of the lock on the blood-bag safety device in accord with the first preferred embodiment of the present invention.
  • FIG. 8 is a structural drawing of the bar code reader in accord with the second
  • FIG. 9 is a flow chart showing the transfusion data confirmation procedure of the
  • FIG. 10 is a block diagram showing the structure of the blood-bag safety device in
  • FIG. 11 is a plan for storing the bar code data on a blood-bag safety device so as to
  • FIG. 12 is a structural drawing of the lock mechanism on the blood-bag safety device
  • FIG. 13 is a structural drawing of the bar code reader in accord with the third
  • FIG. 14 is a structural drawing of the blood-bag safety device in accord with the
  • FIG. 15 is a structural drawing of the lock mechanism of the blood-bag safety device
  • FIG. 1 is a block diagram illustrating the bar code reader in accord with the first
  • the bar code reader is comprised of a CCD (Charge Coupled
  • comparator 140 a signal reverser 150, an electromagnet driver 160 and a speaker driver 170.
  • the CCD sensor 100 reads data from a bar code and converts the data to an electrical
  • the digital converter 110 converts the patient's data that is transferred from the CCD
  • the senor 100 into a digital signal and stores the digital signal in memory 130.
  • the senor 100 into a digital signal and stores the digital signal in memory 130.
  • the clock generator 120 generates a pulse at regular intervals when the bar code
  • the memory 130 stores the digitally converted bar code data taken from a patient's
  • the contents comparator 140 judges whether the bar code data from the patient's file
  • the bar code data from the patient's file comprises information such as the patient's
  • ID number ID number, name, gender, age and/or type of ailment, and/or blood data such as the blood
  • white corpuscles red corpuscles, thrombocytes, or blood plasma
  • the bar code on the blood-bag safety device contains the same kinds of data about the patient and their blood.
  • the contents comparator 140 then reads the data (such as
  • the signal reverser 150 activates the electromagnet driver 160 when the bar code
  • the electromagnet driver 160 transfers a magnetic charge forming a signal to the
  • the speaker driver 170 serves the function of emitting an alarm when the bar code
  • the bar code reader When the bar code reader receives bar code data from a patient's file, the received
  • the electrical signal is converted into an electrical signal by the CCD sensor 100.
  • the electrical signal is
  • the bar code reader scans the bar code attached to the blood-bag safety
  • the received data is converted into an electrical signal in the CCD sensor 100 and
  • the contents comparator 140 judges whether the converted digital signal
  • the bar code data that is used to judge correspondence is at least one kind of data
  • the bar code data from the patient's file and the blood-bag safety device can be used to judge
  • the signal reverser 150 activates the electromagnet driver 160.
  • FIG. 2 is a flow chart showing the transfusion data confirmation procedure of the
  • the blood bank cross-matches the blood to be used for the transfusion.
  • the patient data is information such the patient's
  • the blood data is information about the blood
  • red blood cell concentrates, platelets concentrates, or plasma red blood cell concentrates, platelets concentrates, or plasma
  • Step 210 to the safety device holding the blood-bag.
  • the bar code reader is used to scan the bar code attached to the patient's file (Step 220).
  • received bar code data is then converted into a digital signal and stored in memory 130.
  • the bar code reader is used to scan the bar code on the blood-bag safety device
  • Step 230 and judge whether the data taken from the safety device corresponds with the
  • the bar code data that is used to judge correspondence is at least one kind of data
  • the extracted data comprises information such as the patient' s ID number, name,
  • Step 260 That is, if the patient's bar
  • the safety device opens when the raised locking mechanism is drawn down by the formation
  • the speaker driver 170 emits an alarm and the lock
  • Step 280 the data comparison procedure is carried out again beginning from
  • blood data such as the blood type or
  • the blood component to be transfused is recorded on a bar code label. Then the bar code label is attached to the blood-bag safety device.
  • the bar code reader scans the patient's bar code, which contains both patient data and blood
  • the patient data is information such as the patient's ID number, name, gender, age,
  • the blood data is information such as the blood type or blood component
  • the received bar code data is converted into a digital signal and then stored in
  • the bar code reader scans the bar code on the blood-bag safety
  • the bar code reader extracts the ID number data from the data taken off the safety
  • ID number data from the patient's file corresponds with the ID number data
  • judge data correspondence can be just one kind of data extracted from the patient's bar code
  • the extracted data comprises information such as the
  • the bar code reader is used to scan the bar code data on the blood-bag
  • the bar code reader extracts the blood type and red blood corpuscle data
  • the blood-bag safety device opens.
  • the bar code reader extracts data about the
  • Component transfusion comprises separately transfusing a blood
  • component such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma.
  • the blood-bag safety device opens.
  • the blood-bag safety device will also open if all of the bar code data
  • the bar code reader might receive bar code data from the blood-bag
  • the safety device comprising of patient data and blood data, and also receive bar code data from the patient's file comprising of both patient data and blood data.
  • the patient data is
  • the blood pressure information such as the patient's ID number, name, gender, age and/or diagnosis.
  • the blood pressure value such as the patient's ID number, name, gender, age and/or diagnosis.
  • data is information such as the blood type or blood component (red blood cell concentrates,
  • platelets concentrates, or plasma) to be transfused. Then, if all of the bar code data taken
  • the blood-bag safety device will open.
  • the blood bank cross-matches the blood to be
  • data attached to the blood-bag safety device may also include a schedule for transfusions that
  • patient identified by specific data such as the patient's ID number, name, gender, age and/or
  • FIG. 3 is a flow chart showing the procedure for safely releasing the lock on the
  • the bar code reader is used to scan the bar code on the patient's
  • the bar code reader judges whether the stored data from the blood-bag safety
  • Step 320 corresponds with the stored data taken from the patient's file.
  • Data correspondence is determined using at least one kind of data taken from both
  • the extracted data comprise
  • the electromagnet driver 160 sends a signal to the bar
  • Step 340 which
  • the blood-bag safety device opens when the locking mechanism held up by
  • FIG. 4 is a block diagram showing the stracture of the blood-bag safety device in
  • the safety device 400 that secures the blood-bag 430 is designed
  • bag safety device are its bar code 410, two electromagnetic bar insertion sockets 420 for
  • the bar code 410 inserting the bar code reader into the safety device, and a lock mechanism.
  • patient data such as the patient's ID number, name, gender, age and/or diagnosis
  • blood data concerning the blood type or blood component red blood cell concentrates
  • platelets concentrates, or plasma) to be transfused.
  • the blood bank cross-matches the
  • a bar code the patient data (such as the patient's ID number, name, gender, age and/or
  • diagnosis and/or blood data (the blood type or blood component to be transfused).
  • the bar code 410 is attached to the blood-bag safety device between the two
  • electromagnetic bar insertion sockets where it can be scanned when the bar code reader is
  • the blood-bag safety device comprise holes that correspond in size with the electromagnetic
  • the data receiver of the bar code reader connects with the bar
  • the bar code reader form a magnetic field that releases the lock on the safety device.
  • blood-bag safety device can hold blood-bags of the bag type or which are tube-shaped (for
  • FIG. 7 shows the lock on the blood-bag safety device, which opens when the bar
  • FIG. 5a is a drawing showing the design of the bar code reader in accord with the
  • FIG. 5b shows the movement of the
  • the bar code reader 500 comprises the bar code data receiver
  • the bar code data receiver 530 is designed as shown in FIG. 1.
  • the two electromagnetic bars 550 extend forward from the bar code reader 500 on
  • the bar code reader is
  • the electromagnetic bars are attached to the bar code reader's
  • bar code data receiver scans a bar code, a signal indicates that data has been stored; then,
  • FIG. 6 is a plan for inserting the electromagnetic bars of the bar code reader into the blood-bag safety device in accord with the first preferred embodiment of the present
  • the bar code data receiver 560 on the bar code reader comes into
  • the bar code data 410 taken from the blood-bag safety device is detected by the
  • the CCD sensor judges whether the bar code data taken from the patient
  • the lock on the blood-bag safety device is shown in FIG. 7.
  • FIG. 7 is a side (lateral) view of the structure of the lock on the blood-bag safety
  • the lock mechanism 700 is comprised of a hanger 710, a square ring 720 and a spring 730.
  • the lower end of the spring 730 is fixed to one inside wall of the
  • hanger 710 catches on it, locking the blood-bag safety device.
  • the bar code reader judges whether the stored data from the patient and the
  • received data from the blood-bag safety device correspond with each other or not.
  • the lock 700 is
  • a one-dimensional bar code uses a stick type of
  • a two-dimensional bar code can contain data such as the alpha ⁇
  • FIG. 8 is a structural drawing of the bar code reader in accord with the second
  • the bar code reader comprises a CCD (Charge Coupled Device)
  • comparator 840 a signal reverser 850, an infrared radiation driver 860 and a speaker driver
  • the CCD sensor 800 receives data from a bar code and converts the data into an
  • the digital converter 810 converts the patient's data transferred from the CCD sensor
  • the clock generator 820 generates a pulse at regular intervals when the bar code
  • the memory 830 stores the digitally converted bar code data from the patient's file
  • the contents comparator 840 judges whether the patient's bar code data stored
  • memory 830 corresponds with the bar code data taken by the CCD sensor 800 from the blood-bag safety device.
  • the patient's bar code data comprises patient data such as the patient's ID number,
  • red blood cell concentrates, platelets concentrates, or plasma red blood cell concentrates, platelets concentrates, or plasma
  • the bar code on the blood-bag safety device also contains patient data such as the patient's
  • ID number ID number, name, gender, age and/or diagnosis, and/or blood data such as the blood type or
  • blood component red blood cell concentrates, platelets concentrates, or plasma
  • the contents comparator extracts at least one kind of data (such as the patient's
  • ID number (name or blood type) from both the patient's bar code data and the bar code data
  • the signal reverser 850 activates the electromagnet driver when the patient's bar
  • code data corresponds with that of the blood-bag safety device.
  • the infrared radiation driver 860 emits pulses of infrared radiation of
  • predetermined pulse duration and intervals from an infrared radiation element predetermined pulse duration and intervals from an infrared radiation element.
  • the speaker driver 870 has the function of emitting an alarm when the patient's bar
  • the bar code reader scans the bar code on a patient's file
  • the electrical signal is converted into an electrical signal by the CCD sensor 800.
  • the electrical signal is
  • the bar code reader is
  • the received data is converted into an electrical signal by the CCD sensor 800 and
  • the contents comparator 840 judges whether the converted digital signal
  • the bar code data that is used to judge correspondence is at least one kind of data
  • the extracted data may be, for example, the patient's ID number, name or blood type.
  • the signal reverser 850 activates the infrared radiation driver 860.
  • the infrared radiation driver 860 emits pulses of infrared radiation of preset
  • the receiver on the blood-bag safety device receives the pulses of radiation. If the received radiation pulses correspond with preset pulse duration and intervals, the lock's magnet forms
  • the lock on the blood-bag safety device is released by the formation of a magnetic
  • FIG. 9 is a flow chart showing the transfusion data confirmation procedure of the blood-
  • Step 900 The bar code
  • patient data such as the patient's ID number, name, gender, age and/or diagnosis
  • blood data concerning the blood type or blood component red blood cell concentrates
  • patient data and/or blood data is attached to the blood-bag safety device (Step 910).
  • the bar code reader is used to scan the bar code on the patient's file (Step 920).
  • received bar code data is converted into a digital signal and then stored in memory 830.
  • the bar code data that is used to judge correspondence is at least one kind of data
  • Step 950 the infrared radiation driver 860 and signal reverser 850 are activated, causing the
  • infrared radiation element to emit pulses of infrared radiation of preset pulse duration
  • the infrared receiver on the blood-bag safety device then receives the radiation
  • the electromagnet driver that receives the transferred signal forms a magnetic field
  • the blood-bag safety device then opens when the
  • electromagnet driver of the blood-bag safety device forms a magnetic field, the patient's bar
  • Step 1020 causes an alarm to be emitted from the speaker, and the lock is not released (Step 1020). If it
  • ID numbers are the data used to verify that the blood
  • the patient's data is recorded on a bar code
  • the patient's data comprises information such as their ID number, name, gender, age
  • red blood cell concentrates, platelets concentrates, or plasma an amount of red blood cell concentrates, platelets concentrates, or plasma to be transfused.
  • the bar code label is attached to the blood-bag safety device.
  • the bar code reader is used to scan the bar code on the patient's file, which contains both
  • the patient data comprises information such as the patient's ID
  • the blood data is information concerning the
  • blood type or blood component red blood cell concentrates, platelets concentrates, or
  • the received bar code data is converted into a digital signal and then stored in
  • the bar code reader then scans the bar code on the blood-bag safety device.
  • the bar code reader extracts the ID number data both from the bar code data taken from the
  • correspondence is at least one kind of data extracted from both the patient's data and from the
  • the extracted data is information such as the
  • the bar code reader scans the patient's bar code and stores the received data in memory.
  • the bar code reader scans the bar code on the blood-bag safety device.
  • the bar code reader extracts blood type and red blood corpuscle data from the
  • patient's bar code data stored in memory corresponds with the bar code data taken from the
  • the blood-bag safety device If the extracted data corresponds, the blood-bag safety device opens.
  • the bar code reader scans the bar codes on the
  • red blood cell concentrates type and the amount of red blood cell concentrates, platelets concentrates, or fresh frozen
  • Blood component transfusion involves separately transfusing a
  • blood component such as red blood cell concentrates, platelets concentrates, or fresh frozen
  • the blood-bag safety device opens.
  • the blood-bag safety device opens.
  • the bar code reader may receive bar code data from the blood-bag
  • safety device comprising patient data and blood data, and also receive the same kind of data
  • the patient data comprises information such as the
  • the blood data is information such as
  • the blood-bag corresponds with all the data received from the patient's bar code, the blood-bag
  • the blood bank cross-matches the blood to be
  • the blood bank records the patient data
  • the bar code reader judges whether the bar code data of the blood-bag safety device
  • the blood-bag safety device opens.
  • the patient data comprises information such as the patient's ID number,
  • the blood data comprising information such as the
  • blood type or blood component red blood cell concentrates, platelets concentrates, or
  • FIG. 10 is a block diagram showing the structure of the blood-bag safety device in
  • FIG. 11 is a plan for
  • the blood-bag safety device 1000 that secures the blood-bag is
  • the blood-bag safety device 1000 also comprises a bar code 1010, a receiver 1020
  • the bar code contains a patient's data such as their ID number, name,
  • the receiver 1020 comprises an infrared receiving element, a signal detector, and an
  • the receiver receives the radiation pulses emitted by the infrared
  • the radiation pulses correspond with preset pulse duration and intervals.
  • electromagnet driver of the blood-bag safety device activates an electromagnet in the lock
  • the lock on the blood-bag safety device is released by the formation of a magnetic
  • the blood-bag safety device opens when the lock mechanism held up by spring
  • the blood-bag safety device can hold blood-bags of the bag type or which are tube-
  • shaped for example, in the shape of a circular, square or polygonal tube.
  • the safety device's bar code data 1010 in order to receive the safety device's bar code data 1010, the
  • bar code data receiver on the bar code reader 1050 is placed in contact with the bar code
  • the data from the bar code 1010 is converted into an electrical signal by the CCD sensor 800.
  • the signal is then converted into a digital signal by the digital converter 810, which
  • a signal reverser 850 emits pulses of infrared radiation according to a preset pulse
  • the receiver 1020 on the blood-bag safety device 1000 receives the radiation pulses
  • the radiation pulses correspond with the preset pulse duration and intervals.
  • electromagnet driver is activated, so that an electromagnetic field is formed in the lock on the
  • the blood-bag safety device opens when the lock held up by spring
  • tension is drawn downwards by the formation of a magnetic field.
  • FIG. 12 is a structural drawing of the lock mechanism on the blood-bag safety device
  • the blood-bag safety device comprises an infrared receiver
  • the infrared receiver 1200 comprises an infrared signal receiving element 1203, a
  • the infrared receiving element 1203 receives pulses of radiation emitted from the
  • the signal detector 1206 judges whether the radiation pulses received by the infrared
  • receiving element 1203 correspond with a preset pulse duration and intervals, and then
  • the electromagnet driver 1209 causes the electromagnet 1258 in the lock 1250 on
  • the blood-bag safety device to form an electromagnetic field.
  • the lock 1250 on the blood-bag safety device comprises a hanger 1252, a square
  • the spring is fixed at its lower end, the
  • detector 1203 which judges whether the radiation pulses correspond with a preset pulse duration and intervals.
  • the radiation pulses correspond with the preset pulse duration and intervals.
  • electromagnet driver is activated and causes the electromagnet 1258 in the lock 1250 to form
  • the lock 1250 on the blood-bag safety device opens when the ring 1254 holding the
  • a one-dimensional bar code uses a stick type of
  • a two-dimensional bar code can contain data such as the alpha ⁇
  • numeric, Korean alphabet or graphics in a regular size and the data can be altered.
  • FIG. 13 is a structural drawing of the bar code reader in accord with the third
  • the bar code reader comprises a CCD sensor 1300, a digital
  • the received data is
  • the bar code reader scans the bar code attached to the blood-bag safety device.
  • the received data is converted into an electrical signal by the CCD sensor 1300, which is
  • the contents comparator 1340 judges whether the bar code data from the blood-bag
  • the bar code data that is used to judge correspondence is at least one kind of data
  • extracted data comprises information such as the patient' s ID number, name, or blood type.
  • bar code data can also be used to judge correspondence.
  • the signal reverser 1350 sends a signal to the lock
  • the electromagnet driver that receives the signal causes a magnetic field to form by activating the electromagnet in the lock mechanism of the blood-bag safety device.
  • the blood data is information concerning the blood type or blood component (red blood
  • the bar code reader scans the patient's bar code, which contains patient data and/or blood data.
  • the patient's data is information such as the patient's ID number, name, gender, age and/or
  • the blood data is information concerning the blood type or blood component (red
  • blood cell concentrates platelets concentrates, or plasma to be transfused.
  • the received bar code data is converted into a digital signal and then stored in the
  • bar code reader 's memory 1330. Next, the bar code reader scans the bar code on the blood-
  • the bar code reader extracts the ID number data from the bar code data
  • the bar code reader judges whether the ID number data taken from the blood-
  • bag safety device corresponds with that taken from the patient's bar code label.
  • ID data taken from the patient's bar code label corresponds with the ID data
  • correspondence is information such as a patient's ID number, name, or blood type.
  • the bar code reader scans the patient's bar code label and stores the received data in
  • the bar code reader scans the bar code on the blood-bag safety device.
  • the bar code reader extracts blood type and red corpuscle data from the bar
  • the bar code data taken from the patient and stored in memory corresponds with the bar code
  • the blood-bag safety device opens.
  • the bar code reader extracts data concerning the patient's blood type and blood component (for example, red blood cell concentrates, platelets),
  • Component transfusion involves separately transfusing a blood
  • component such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma.
  • the safety device opens.
  • the safety device opens.
  • the device or on a patient, it receives both patient and blood data.
  • the patient data comprises
  • the blood pressure information such as the patient's ID number, name, gender, age and/or diagnosis.
  • the blood pressure value such as the patient's ID number, name, gender, age and/or diagnosis.
  • data is information concerning the blood type or blood component (red blood cell
  • the blood-bag safety device opens.
  • FIG. 14 is a structural drawing of the blood-bag safety device in accord with the
  • the blood-bag safety device 1400 that secures the blood-bag is
  • the blood-bag safety device 1400 comprises a bar code 1410 and a receiver 1420 that receives light transmitted from the device's bar code reader to its lock mechanism.
  • bar code 1410 contains patient data such as the patient's ID number, name, gender, age
  • blood data such as the blood type or blood component (red blood
  • the receiver 1420 has an electromagnet driver that is activated when it receives a
  • the blood-bag safety device opens when the lock held up in place by spring tension is
  • the blood-bag safety device it is possible for the blood-bag safety device to hold blood-bags of the bag type or
  • tube-shaped for example, in the shape of a circular, square or polygonal tube.
  • FIG. 15 is a structural drawing of the lock mechanism of the blood-bag safety device
  • the blood-bag safety device comprises an electromagnet driver
  • the electromagnet driver 1500 receives a signal transferred from the electromagnet driver of the bar code reader that activates the electromagnet 1558 in the lock 1550, causing
  • the lock 1550 on the blood-bag safety device comprises a hanger 1552, a square
  • the spring 1556 is fixed at its lower
  • the hanger is locked in place by the spring's upward tension, and the square ring that is
  • the ring is drawn downwards towards the source of the signal so that the lock is
  • the electromagnet driver 1500 that receives the signal activates the electromagnet
  • the lock 1550 on the blood-bag safety device opens when the ring 1554 holding the
  • the two-dimensional bar code can contain data such
  • blood-bag is prepared at the blood bank, a bar code containing only blood data (such as blood
  • the patient is transfused with blood from the blood-bag safety device that has
  • blood component red blood cell concentrates, platelets concentrates, or plasma
  • bar code reader scans the bar code on the patient's file to extract data such as the patient's
  • red blood cell red blood cell
  • the bar code reader searches for a blood-bag safety device with an attached bar code containing blood data and
  • Rh+ O blood data the blood is extracted.
  • bar code reader scans the patient's bar code label (containing both patient and blood data)
  • the bar code reader searches among the bar
  • code reader extracts data concerning blood type from the patient's bar code data stored in
  • bag safety device is released so that the transfusion may proceed.
  • the bar (such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma), the bar
  • code reader extracts blood component data from the bar codes of the patient and various
  • securing the safety device can be placed at any point on the hose of the blood-bag.
  • blood data is attached anywhere on the hose or blood-bag.
  • bar code reader scans the patient's bar code label, stores the received data in memory, and
  • the bar code reader judges whether the bar code data received from the blood-bag
  • the blood-bag or its hose is released. That is, the hose of the blood-bag opens when the safety
  • the card reader stores the patient's ID number or personal data (for example, their
  • blood-bag safety device is released if the data on a patient's card corresponds with the data
  • blood-bag safety device is released when a fingerprint reader on the device reads a
  • the blood bank cross-matches the blood to be transfused, then a fingerprint reader is installed
  • an iris reader can be installed
  • the blood-bag safety device which records the iris of the patient receiving a transfusion.
  • the safety lock on the blood-bag safety device is released if the iris
  • a voice recognizer can be
  • the lock on the blood-bag safety device is released if the voice recorded by the voice recognizer corresponds with a patient's voice.
  • the blood bank cross-matches the blood to be transfused, then a lock with a secret number
  • the lock on the safety device is
  • blood-bag is processed in the blood bank, a bar code containing blood data concerning blood
  • code reader scans the patient's bar code label and stores in memory the received data
  • the bar code reader searches for a blood-bag safety device that has bar code
  • the bar code reader receives the patient's bar code data, which
  • the database server could be implemented using wireless or wired communications.
  • the extracted data (such as the patient's age and diagnosis, and the blood type or
  • blood component to be transfused is stored in the memory of the bar code reader.
  • the bar code reader receives bar code data from the blood-bag safety
  • the blood transfusion is executed.

Abstract

The present invention relates to safety device of blood-bag and method for releasing the lock for safety. A safety system of blood-bag includes safety device of blood-bag and a releasing signal generating device. The safety device of blood-bag stores a first identification information. The first identification information can be the information of blood included in the safety device or the information of the donee (who is to be transfused with the blood included in the safety device under doctors instruction). The first identification information can be preferably implemented with bar code or so. The releasing signal generating device inputs the first identification information from the safety device and a second identification information from donee. The second identification information can be implemented with mark such as bar code or device of which the donee is possessed. The releasing signal generating device generates a releasing signal when the first identification information corresponds to the second identification information, that is the blood included in the safety device is suitable for transfusion to the donee. The safety device is released in response to the releasing signal.

Description

SAFETY DEVICE OF BLOOD-BAG AND METHOD FOR RELEASING THE
LOCK FOR SAFETY
[TECHNICAL FIELD]
The present invention relates to a safety device that holds blood-bags for transfusions
in a locked container, with a procedure for ensuring that the safety device cannot be opened
unless a data comparison test verifies that the blood is fit for the patient who will receive it in
a transfusion. The safety device allows a blood transfusion to begin only when a patient's
unique identification data corresponds with the data registered on the blood-bag safety device.
[BACKGROUND ART]
Blood transfusions are effective to replenish quantity of blood in circulation of
critically ill patients to maintain a sufficient capacity to carry oxygen, and supplement the
coagulation factors.
Generally, the cross-matching of blood to be transfused is carried out in a blood bank
according to a doctor's prescription for the patient who needs a transfusion.
Cross-matching is a test to prevent serious adverse reactions, at times fatal, from
occurring during a transfusion which is caused by unusual antibodies in an incompatible
blood, and to verify that the blood to be transfused is fit for the patient who will receive it. If
the test results show there are no incompatibilities with the blood, it is then issued from the blood bank to the medical staff for transfusion to his/her patient. The patient's identification
on the released blood and patient's identification on the arm band are checked with the naked
eyes and, if the blood is fit for the patient, the transfusion is performed. The most careful
attention must be given to the first step in the transfusion process: the procedure for checking
identification on both the released blood and the patient.
In the case of a failure to take necessary precautions, transfusing incorrect blood into
the patient may results in serious adverse reaction which may lead to medical litigation.
Since it is a paramount importance to have identified the right unit of blood for the
right patient who receives the transfusion, conventional method is to have two medical or
nursing staff independently identify the patient and unit of blood to be transfused at patient's
bed side. However, this process is carried out by human eyes, there have been more than 500
misidentification occur annually in the USA alone. The fatality rate is 1.3/1 million units
transfused/year. A fail-proof system to identify such a transfusion is badly needed.
[DISCLOSURE OF INVENTION]
The principal object of the present invention is to provide a safety device for
securing blood-bags in a locked container and a safe method for releasing the container's
lock by identifying the blood-bag and the transfusion recipient with bar codes.
Another object of the invention is to provide a safety device for blood-bags and a
method for safely releasing the lock on the safety device when the bar code data on the patient corresponds with the bar code data of the blood-bag safety device.
To achieve the objectives, one part of the preferred embodiment of the present
invention is a safety system for blood-bags, which comprises: a safety device for holding
blood-bags that is marked with the first identification data about the patient who needs a
transfusion; and a signal generator that reads the first identification data from the blood-bag
safety device, compares it with the second identification data which is held in a mark or
device with the patient, and then transmits a lock-releasing signal when the blood is fit for
the patient.
Another part of the preferred embodiment of the present invention is a safety device
for blood-bags, which comprises: a device for holding the blood-bag; a device for storing or
attaching the first identification data about the patient who needs a transfusion; and a lock
mechanism that opens safely when it receives a signal from the lock-releasing signal
generator (which occurs only when the first and second identification data correspond with
each other and the blood is therefore fit for the patient).
Moreover, the first identification data is contained in a bar code. It comprises at least
one kind of information concerning the patient's name, age, gender, or diagnosis, and/or at
least one kind of information about the blood to be transfused — namely, the blood type or
blood component (red blood cell concentrates, platelets concentrates, or plasma).
Moreover, the lock mechanism of the blood-bag safety device comprises a spring
fixed at its lower end, a hanger locked in place by the spring's upward tension, and a square ring that is pushed upward by the spring to prevent the hanger's movement. If a lock-
releasing signal is received, the ring is drawn downwards towards the source of the received
signal so that the lock is released.
Another part of the preferred embodiment of the present invention is a generator that
transmits a lock-releasing signal. The signal generator comprises: a receiver that reads the
first identification data about the blood or the transfusion recipient on the blood-bag safety
device, and which then receives the second identification data concerning the blood or the
patient from a mark or device with the patient; a controller for judging whether the blood is
fit for the transfusion recipient by comparing the first and second identification data; and a
signal generator for generating a signal to release the lock of the blood-bag safety device if
the blood in the bag is fit for the patient who needs a transfusion.
Moreover, the first identification data is contained in a bar code and comprises of at
least one piece of information concerning the patient's name, age, gender, or diagnosis, or at
least one kind of information about the blood to be transfused — that is, the blood type or
blood component (red blood cell concentrates, platelets concentrates, or plasma).
Moreover, the second identification data also comprises at least one piece of
information concerning the patient's name, age, gender, or diagnosis, or at least one kind of
information about the blood to be transfused, such as the blood type or blood component (red
blood cell concentrates, platelets concentrates, or plasma).
Moreover, the signal generator comprises a magnetic field generator that creates a magnetic field if the blood is fit for the transfusion recipient, and a transmitter for sending the
generated magnetic field to the blood-bag safety device.
Also, the releasing signal generator comprises a wireless signal generator for
generating wireless signals when it is determined that the blood is fit for patient who needs a
transfusion and a transmitter for sending the generated signal.
Another part of the preferred embodiment of the present invention is a safe method
for releasing the lock on the blood-bag safety device, which comprises the following steps:
receiving the first identification data about the blood or the transfusion recipient from the
blood-bag safety device; receiving the second identification data about the blood or the
transfusion recipient from a mark or device with the patient; judging whether the blood is fit
for the patient who needs a transfusion by comparing the first identification data and the
second identification data; and generating a signal that releases the lock of the blood-bag
safety device if the blood is fit for the patient.
Also, the first identification data is contained in a bar code and comprises at least one
kind of information about the patient's name, age, gender, or diagnosis, or at least one kind of
information about the blood to be transfused, such as the blood type or blood component (red
blood cell concentrates, platelets concentrates, or plasma).
Moreover, the second identification data also comprises at least one kind of
information about the patient's name, age, gender, or diagnosis, or at least one kind of
information about the blood to be transfused — amely, the blood type or blood component (red blood cell concentrates, platelets concentrates, or plasma).
Moreover, the releasing signal releases the lock on the blood-bag safety device.
Another part of the preferred embodiment of the present invention of a method for
releasing the lock on a blood-bag safety device comprises the following steps: reading the
first identification data about the blood or the transfusion recipient on the blood-bag safety
device; reading the second identification data about the blood or the transfusion recipient
from a mark or device with the patient; judging whether the blood is fit for the patient by
comparing the first and second identification data; generating a magnetic field if the blood is
shown to be fit for the patient; and releasing the lock on the blood-bag safety device by
means of the generated magnetic field.
Another part of the preferred embodiment of the present invention of a method for
releasing the lock on a blood-bag safety device comprises the following steps: reading the
first identification data about the blood or the transfusion recipient from the blood-bag safety
device; reading the second identification data about the blood or the transfusion recipient
from a mark or device with the patient; judging whether the blood is fit for the patient by
comparing the first identification data with the second identification data; generating a
wireless signal if the results show that the blood is fit for the patient; receiving the generated
wireless signal; judging whether the pulse of the wireless signal corresponds with a
previously set pulse duration and length of intervals; generating a magnetic field if the pulse
of the wireless signal corresponds with a preset pulse duration and interval length; and releasing the lock on the blood-bag safety device by means of the magnetic field generated.
[BRIEF DESCRIPTIONS OF DRAWINGS]
FIG. 1 is a block diagram illustrating the bar code reader in accord with the first
preferred embodiment of the present invention.
FIG. 2 is a flow chart showing the transfusion data confirmation procedure of the
blood-bag safety device in accord with the first preferred embodiment of the
present invention.
FIG. 3 is a flow chart showing the procedure for safely releasing the lock on the
blood-bag safety device in accord with the first preferred embodiment of the
present invention.
FIG. 4 is a block diagram showing the structure of the blood-bag safety device in
accord with the first preferred embodiment of the present invention.
FIG. 5a is a drawing showing the design of the bar code reader in accord with the
first preferred embodiment of the present invention.
FIG. 5b is a drawing showing the movement of the electromagnetic bars in FIG. 5a.
FIG. 6 is a plan for inserting the electromagnetic bars of the bar code reader into the
blood-bag safety device in accord with the first preferred embodiment of the
present invention.
FIG. 7 is a side [lateral] view of the structure of the lock on the blood-bag safety device in accord with the first preferred embodiment of the present invention.
FIG. 8 is a structural drawing of the bar code reader in accord with the second
preferred embodiment of the present invention.
FIG. 9 is a flow chart showing the transfusion data confirmation procedure of the
blood-bag safety device in accord with the second preferred embodiment of
the present invention.
FIG. 10 is a block diagram showing the structure of the blood-bag safety device in
accord with the second preferred embodiment of the present invention.
FIG. 11 is a plan for storing the bar code data on a blood-bag safety device so as to
be read by the bar code reader in accord with the second preferred
embodiment of the present invention.
FIG. 12 is a structural drawing of the lock mechanism on the blood-bag safety device
showing the design of its infrared receiver in accord with the second
preferred embodiment of the present invention.
FIG. 13 is a structural drawing of the bar code reader in accord with the third
preferred embodiment of the present invention.
FIG. 14 is a structural drawing of the blood-bag safety device in accord with the
third preferred embodiment of the present invention.
FIG. 15 is a structural drawing of the lock mechanism of the blood-bag safety device
showing its electromagnet driver in accord with the third preferred embodiment of the present invention.
<A list of the numbers identifying major parts shown in the drawings>
100, 800, 1300: CCD sensor
110, 810, 1310: digital converter
120, 820, 1320: clock generator
130, 830, 1330: memory
140, 840, 1340: contents comparator
150, 850, 1350: signal reverser
160, 1206, 1360, 1500: electromagnet driver
170, 870, 1370: speaker driver
860: infrared radiation driver
1200: infrared receiver
1203: signal detector
[A DETAILED DESCRIPΗON OF THE PREFERRED FORMS OF THE INVENTION]
Hereinafter, the present invention will be described with accompanying drawings.
<The first preferred embodiment of the model>
FIG. 1 is a block diagram illustrating the bar code reader in accord with the first
preferred embodiment of the present invention. Referring to FIG. 1, the bar code reader is comprised of a CCD (Charge Coupled
Device) sensor 100, a digital converter 110, a clock generator 120, memory 130, a contents
comparator 140, a signal reverser 150, an electromagnet driver 160 and a speaker driver 170.
The CCD sensor 100 reads data from a bar code and converts the data to an electrical
signal, which is in turn relayed to the digital converter 110.
The digital converter 110 converts the patient's data that is transferred from the CCD
sensor 100 into a digital signal and stores the digital signal in memory 130. In addition, the
digital converter 110 converts the bar code data taken from a blood-bag safety device into a
digital signal that is then transferred to the contents comparator 140.
The clock generator 120 generates a pulse at regular intervals when the bar code
reader receives bar code data.
The memory 130 stores the digitally converted bar code data taken from a patient's
file which has been transferred from the digital converter 110.
The contents comparator 140 judges whether the bar code data from the patient's file
stored in memory 130 corresponds with the bar code data from the blood-bag safety device
which is received from the CCD sensor 100.
The bar code data from the patient's file comprises information such as the patient's
ID number, name, gender, age and/or type of ailment, and/or blood data such as the blood
type or blood component (white corpuscles, red corpuscles, thrombocytes, or blood plasma)
to be transfused. The bar code on the blood-bag safety device contains the same kinds of data about the patient and their blood. The contents comparator 140 then reads the data (such
as the patient's ID number, name or blood type) from both the bar code on the patient's file
and the bar code on the blood-bag safety device, after which the contents comparator judges
whether the data from those two sources corresponds.
The signal reverser 150 activates the electromagnet driver 160 when the bar code
data of the patient corresponds with the bar code data of the blood-bag safety device.
The electromagnet driver 160 transfers a magnetic charge forming a signal to the
electromagnetic bars when the bar code data of the patient corresponds with the bar code data
of the blood-bag safety device.
The coil of the electromagnetic bars forms a magnetic field corresponding with the
transferred signal, which in turn causes the lock on the blood-bag safety device to be released.
The speaker driver 170 serves the function of emitting an alarm when the bar code
data of the patient and that of the blood-bag safety device do not correspond with each other.
It will now be described how data is transferred in the present invention.
When the bar code reader receives bar code data from a patient's file, the received
data is converted into an electrical signal by the CCD sensor 100. The electrical signal is
then converted into a digital signal by the digital converter 110 and afterwards stored in
memory 130.
Subsequently, the bar code reader scans the bar code attached to the blood-bag safety
device. The received data is converted into an electrical signal in the CCD sensor 100 and
transferred to the contents comparator 140.
The contents comparator 140 judges whether the converted digital signal
corresponds with the patient's bar code data stored in memory 130.
The bar code data that is used to judge correspondence is at least one kind of data
(such as the patient' s ID number, name, or blood type) which is extracted from both the
patient's bar code data and the data taken from the blood-bag safety device. In addition, all
the bar code data from the patient's file and the blood-bag safety device can be used to judge
transfusion data correspondence.
If the bar code data of the patient corresponds with the bar code data of the blood-
bag safety device, the signal reverser 150 activates the electromagnet driver 160.
The coil of the electromagnetic bars forms a magnetic field through the operation of
the electromagnet driver 160, and the lock for the blood-bag safety device is released by the
magnetic field that is formed as a result.
Moreover, at the same time as the magnetic field is formed at the coil of the
electromagnetic bars, the patient's bar code data stored in memory 130 is erased.
FIG. 2 is a flow chart showing the transfusion data confirmation procedure of the
blood-bag safety device in accord with the first preferred embodiment of the present
invention.
Referring to FIG. 2, when a doctor first orders a blood transfusion for a patient, the blood bank cross-matches the blood to be used for the transfusion.
When the cross-matching blood is completed, data about the patient and the type of
blood to be transfused is recorded in a bar code (Step 200). Thus, the bar code's data
comprises both patient data and blood data. The patient data is information such the patient's
ID number, name, gender, and/or diagnosis. The blood data is information about the blood
type or blood component (red blood cell concentrates, platelets concentrates, or plasma) to be
transfused. The bar code label containing the patient data and the blood data is then attached
to the safety device holding the blood-bag (Step 210).
Afterwards, when the doctor instructs that the patient be given a blood transfusion,
the bar code reader is used to scan the bar code attached to the patient's file (Step 220). The
received bar code data is then converted into a digital signal and stored in memory 130.
Then the bar code reader is used to scan the bar code on the blood-bag safety device
(Step 230) and judge whether the data taken from the safety device corresponds with the
patient's bar code data stored in memory (Step 240).
The bar code data that is used to judge correspondence is at least one kind of data
extracted from the patient's bar code data and the data taken from the blood-bag safety
device. The extracted data comprises information such as the patient' s ID number, name,
or blood type. However, it is also possible to use all of the bar code data to judge
correspondence.
If the bar code data taken from the patient's file corresponds with the bar code data from the blood-bag safety device (Step 250), the lock on the safety device is released and the
safety device holding the blood-bag may be opened (Step 260). That is, if the patient's bar
code data and the bar code data of the blood-bag safety device correspond with each other,
the safety device opens when the raised locking mechanism is drawn down by the formation
of a magnetic field.
Moreover, simultaneous with the formation of a magnetic field at the
electromagnetic bars, the patient's bar code data stored in memory is erased.
On the other hand, if the patient's bar code data does not correspond with the bar
code data of the blood-bag safety device, the speaker driver 170 emits an alarm and the lock
on the safety device is not released (Step 270).
If a signal is received indicating that the blood for transfusion needs to be
reexamined (Step 280), the data comparison procedure is carried out again beginning from
(Step 230).
To consider one example, we will examine what happens if the patient ID numbers
on the two bar codes correspond.
When the doctor first orders a blood transfusion for a patient, the blood bank cross-
matches the blood to be transfused.
When the cross-matching is completed, data about the patient (such as their ID
number, name, gender, age and/or diagnosis) and/or blood data (such as the blood type or
blood component to be transfused) is recorded on a bar code label. Then the bar code label is attached to the blood-bag safety device.
Afterwards, when the doctor instructs that the patient be given a blood transfusion,
the bar code reader scans the patient's bar code, which contains both patient data and blood
data. The patient data is information such as the patient's ID number, name, gender, age,
and/or diagnosis. The blood data is information such as the blood type or blood component
(red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
The received bar code data is converted into a digital signal and then stored in
memory 130. After that, the bar code reader scans the bar code on the blood-bag safety
device. The bar code reader extracts the ID number data from the data taken off the safety
device and from the patient's bar code data which is stored in memory 130. Then the bar
code reader judges whether the ID number data from the safety device and the patient's bar
code correspond with each other.
If the ID number data from the patient's file corresponds with the ID number data
from the blood-bag safety device, the lock on the safety device is released and the blood-bag
safety device opens.
In the case of judging ID number correspondence, the bar code data that is used to
judge data correspondence can be just one kind of data extracted from the patient's bar code
and the blood-bag safety device. The extracted data comprises information such as the
patient's name or blood type.
Looking at another example, when a patient needing red blood corpuscles requires a transfusion, first of all the bar code reader is used to scan the patient's bar code data and store
it in memory. Then the bar code reader is used to scan the bar code data on the blood-bag
safety device.
After that, the bar code reader extracts the blood type and red blood corpuscle data
from the data it took from the blood-bag safety device. Then the bar code reader judges
whether the patient's bar code data corresponds with the bar code data from the blood-bag
safety device.
If the extracted data matches, the blood-bag safety device opens.
In case of a component transfusion, the bar code reader extracts data about the
patient's blood type and platelets concentrates, or his/her blood type and concentration of
fresh frozen plasma, from the bar code data taken off the blood-bag safety device and the
patient's bar code label. Component transfusion comprises separately transfusing a blood
component such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma.
Afterwards, if the data from the patient's bar code label corresponds with the data
from the blood-bag safety device, the blood-bag safety device opens.
Furthermore, the blood-bag safety device will also open if all of the bar code data
taken from the patient's file corresponds with the all of the bar code data from the blood-bag
safety device.
For example, the bar code reader might receive bar code data from the blood-bag
safety device comprising of patient data and blood data, and also receive bar code data from the patient's file comprising of both patient data and blood data. The patient data is
information such as the patient's ID number, name, gender, age and/or diagnosis. The blood
data is information such as the blood type or blood component (red blood cell concentrates,
platelets concentrates, or plasma) to be transfused. Then, if all of the bar code data taken
from the blood-bag safety device corresponds with all of the bar code data taken from the
patient, the blood-bag safety device will open.
According to the first preferred embodiment of the present invention, upon a doctor's
first instruction to perform a transfusion, the blood bank cross-matches the blood to be
transfused. When cross-matching is completed, the patient data and blood data are recorded
on a bar code label that is then attached to the blood-bag safety device. Then the safety
device judges whether the bar code data on its label and the bar code data of the patient
correspond or not. If the bar code data taken from the patient and the bar code data from the
blood-bag safety device correspond with each other, the safety device opens. The bar code
data attached to the blood-bag safety device may also include a schedule for transfusions that
will be done within one month and one day based on a doctor's instructions concerning a
patient identified by specific data (such as the patient's ID number, name, gender, age and/or
diagnosis, and/or the blood type or blood component to be transfused).
FIG. 3 is a flow chart showing the procedure for safely releasing the lock on the
blood-bag safety device in accord with the first preferred embodiment of the present
invention. Referring to FIG. 3, the bar code reader is used to scan the bar code on the patient's
file and store the data in memory (Step 300). Then the bar code on the blood-bag safety
device is scanned with the bar code reader and the received data is likewise stored in memory
(Step 310).
The bar code reader then judges whether the stored data from the blood-bag safety
device corresponds with the stored data taken from the patient's file (Step 320).
Data correspondence is determined using at least one kind of data taken from both
the patient's bar code and from the blood-bag safety device. The extracted data comprise
information such as the patient's ID number, name or blood type. It is also possible to use all
the bar code data from each source to judge correspondence.
If the bar code data taken from the patient's file corresponds with the data from the
blood-bag safety device (Step 330), the electromagnet driver 160 sends a signal to the bar
code reader's electromagnetic bars, which are inserted into sockets in the safety device
located under the device's lock mechanism. The signal received from the electromagnet
driver 160 causes the electromagnetic bars to generate a magnetic field (Step 340), which
pulls down the metal ring in the lock mechanism and thereby releases the lock on the blood-
bag safety device (Step 350).
That is, the blood-bag safety device opens when the locking mechanism held up by
spring-tension is drawn down because of the formation of a magnetic field.
On the other hand, if the bar code data taken from the patient's file does not correspond with the bar code data taken from the blood-bag safety device, the speaker driver
170 will cause an alarm sound to be emitted from the speaker (Step 360).
FIG. 4 is a block diagram showing the stracture of the blood-bag safety device in
accord with the first preferred embodiment of the present invention.
Referring to FIG. 4, the safety device 400 that secures the blood-bag 430 is designed
so as to conduct little heat and prevent germ contamination. Additional features of the blood-
bag safety device are its bar code 410, two electromagnetic bar insertion sockets 420 for
inserting the bar code reader into the safety device, and a lock mechanism. The bar code 410
contains patient data such as the patient's ID number, name, gender, age and/or diagnosis,
and/or blood data concerning the blood type or blood component (red blood cell concentrates,
platelets concentrates, or plasma) to be transfused.
If a doctor orders a blood transfusion for a patient, the blood bank cross-matches the
blood to be transfused. Then, when cross-matching is completed, the blood bank records on
a bar code the patient data (such as the patient's ID number, name, gender, age and/or
diagnosis) and/or blood data (the blood type or blood component to be transfused).
The bar code 410 is attached to the blood-bag safety device between the two
electromagnetic bar insertion sockets, where it can be scanned when the bar code reader is
inserted into the blood-bag safety device. If the bar code data taken from the patient's file
corresponds with the bar code data from the blood-bag safety device, the locking mechanism
on the blood-bag safety device opens. The sockets used for inserting the electromagnetic bars of the bar code reader into
the blood-bag safety device comprise holes that correspond in size with the electromagnetic
bars.
If the electromagnetic bars of the bar code reader are inserted into their sockets on
the blood-bag safety device, the data receiver of the bar code reader connects with the bar
code attached to the safety device between the sockets. Then the bar code reader is able to
receive bar code data from the blood-bag safety device.
If the bar code data taken from the patient's file and stored in memory corresponds
with the bar code data taken from the blood-bag safety device, the electromagnetic bars on
the bar code reader form a magnetic field that releases the lock on the safety device. The
blood-bag safety device can hold blood-bags of the bag type or which are tube-shaped (for
example, in the shape of a circular, square or polygonal tube).
FIG. 7 shows the lock on the blood-bag safety device, which opens when the bar
code data taken from a patient corresponds with the bar code data on the blood-bag safety
device.
FIG. 5a is a drawing showing the design of the bar code reader in accord with the
first preferred embodiment of the present invention, and FIG. 5b shows the movement of the
electromagnetic bars seen in FIG. 5a.
Referring to FIG. 5a, the bar code reader 500 comprises the bar code data receiver
530 and two electromagnetic bars 560. The bar code data receiver 530 is designed as shown in FIG. 1.
The two electromagnetic bars 550 extend forward from the bar code reader 500 on
either side of the bar code data receiver 530. When the electromagnetic bars 550 are inserted
into sockets in the blood-bag safety device on either side of a bar code label, the bar code
data receiver comes into contact with the safety device's bar code. The bar code reader is
also used to scan the bar code on a patient's file by swinging the electromagnetic bars upward
or downward so that they do not prevent the data receiver from being placed against a flat
surface. As shown in FIG. 5b, the electromagnetic bars are attached to the bar code reader's
handle by joints on each side of it. Pivoting on these joints, the electromagnetic bars can
swing upward or downward ninety degrees so that they are parallel to the handle of the bar
code reader. In FIG. 5b, the electromagnetic bars are drawn using a dotted line to show their
range of motion, while a solid line drawing shows the usual position of the bars. After the
bar code data receiver scans a bar code, a signal indicates that data has been stored; then,
when that signal is received by the CCD sensor 100 it converts the data to digital form and
stores it in memory 130.
Furthermore, in order to read the bar code attached to the blood-bag safety device,
first the electromagnetic bars 560 are swung into their forward position at a right angle to the
handle of the bar code reader. Then the electromagnetic bars are inserted into the
corresponding sockets on the blood-bag safety device, as shown in FIG. 6.
FIG. 6 is a plan for inserting the electromagnetic bars of the bar code reader into the blood-bag safety device in accord with the first preferred embodiment of the present
invention..
Referring to FIG. 6, if the electromagnetic bars 560 are inserted into their sockets in
the blood-bag safety device, the bar code data receiver 560 on the bar code reader comes into
contact with the bar code attached to the blood-bag safety device and is able to receive the
bar code data from the safety device.
The bar code data 410 taken from the blood-bag safety device is detected by the
CCD sensor 100 on the bar code data receiver, and then the data is converted into a digital
signal. After that, the CCD sensor judges whether the bar code data taken from the patient
and stored in memory corresponds with the bar code data taken from the blood-bag safety
device.
If the patient's bar code data and the bar code data from the blood-bag safety device
correspond with each other, the electromagnetic bars 560 on the bar code reader 500 that are
inserted into the safety device form a magnetic field. The bar code data from the patient's
file that is stored in memory 130 is then erased by the formation of a magnetic field, and the
lock on the blood-bag safety device is released.
The lock on the blood-bag safety device is shown in FIG. 7.
FIG. 7 is a side (lateral) view of the structure of the lock on the blood-bag safety
device in accord with the first preferred embodiment of the present invention.
Referring to FIG. 7, the lock mechanism 700 is comprised of a hanger 710, a square ring 720 and a spring 730. The lower end of the spring 730 is fixed to one inside wall of the
lock mechanism 710 and its elastic force holds up the ring 720 so that the hooked end of the
hanger 710 catches on it, locking the blood-bag safety device.
In order to release the lock mechanism 700, first the patient's bar code data is
scanned and stored in memory. Then the electromagnetic bars 560 of the bar code reader are
inserted into their sockets in the blood-bag safety device so that the bar code data receiver
530 makes contact with the bar code on the safety device and can receive data from it.
Then the bar code reader judges whether the stored data from the patient and the
received data from the blood-bag safety device correspond with each other or not.
If the bar code data matches, the electromagnetic bars 560 of the bar code reader
form a magnetic field. When the electromagnetic bars form a magnetic field, the lock 700 is
released that the ring 720 held closed by blocking movement of the hanger 710. The dotted
line in the diagram shows the position of the tensed spring when the formation of a magnetic
field causes the lock to be drawn down.
It is self-evident that the ring 720 moves downward in accordance with the strength
of the magnetic field's influence.
It is possible for the bar code used in the first model of the present invention to be
either one-dimensional or two-dimensional. A one-dimensional bar code uses a stick type of
bar. On the other hand, a two-dimensional bar code can contain data such as the alpha¬
numeric, Korean alphabet or graphics in a regular size and the data can be altered. < The second preferred embodiment of the invention >
FIG. 8 is a structural drawing of the bar code reader in accord with the second
preferred embodiment of the present invention.
Referring to FIG. 8, the bar code reader comprises a CCD (Charge Coupled Device)
sensor 800, a digital converter 810, a clock generator 820, memory 830, a contents
comparator 840, a signal reverser 850, an infrared radiation driver 860 and a speaker driver
870.
The CCD sensor 800 receives data from a bar code and converts the data into an
electrical signal, which is in turn transmitted to the digital converter.
The digital converter 810 converts the patient's data transferred from the CCD sensor
800 into a digital signal and then stores it in memory 830. Furthermore, the digital converter
810 converts the bar code data from the blood-bag safety device into a digital signal and
transfers the digital signal to the contents comparator 840.
The clock generator 820 generates a pulse at regular intervals when the bar code
reader receives data.
The memory 830 stores the digitally converted bar code data from the patient's file,
which has been transferred from the digital converter 810.
The contents comparator 840 then judges whether the patient's bar code data stored
in memory 830 corresponds with the bar code data taken by the CCD sensor 800 from the blood-bag safety device.
The patient's bar code data comprises patient data such as the patient's ID number,
name, gender, age and/or diagnosis, and/or blood data concerning the blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
The bar code on the blood-bag safety device also contains patient data such as the patient's
ID number, name, gender, age and/or diagnosis, and/or blood data such as the blood type or
blood component (red blood cell concentrates, platelets concentrates, or plasma) to be
transfused. The contents comparator extracts at least one kind of data (such as the patient's
ID number, name or blood type) from both the patient's bar code data and the bar code data
taken from the blood-bag safety device. Then the contents comparator judges whether the
data taken from the two bar codes correspond with each other or not.
The signal reverser 850 activates the electromagnet driver when the patient's bar
code data corresponds with that of the blood-bag safety device.
If the patient's bar code data corresponds with the bar code data taken from the
blood-bag safety device, the infrared radiation driver 860 emits pulses of infrared radiation of
predetermined pulse duration and intervals from an infrared radiation element.
The speaker driver 870 has the function of emitting an alarm when the patient's bar
code data does not correspond with that taken from the blood-bag safety device.
The movement of the bar code reader will now be described according to the second
preferred embodiment of the present invention. When the bar code reader scans the bar code on a patient's file, the received bar code
data is converted into an electrical signal by the CCD sensor 800. The electrical signal is
then converted into a digital signal in the digital converter and stored in memory 830.
After the data taken from the patient's file is stored in memory, the bar code reader is
used to scan the bar code on the blood-bag safety device.
The received data is converted into an electrical signal by the CCD sensor 800 and
then transferred to the contents comparator 840 after being converted into a digital signal by
the digital converter 810.
The contents comparator 840 judges whether the converted digital signal
corresponds with the patient's bar code data stored in memory 830.
The bar code data that is used to judge correspondence is at least one kind of data
extracted from the patient's bar code data and that which is taken from the blood-bag safety
device. The extracted data may be, for example, the patient's ID number, name or blood type.
It is also possible to use all of the bar code data to judge correspondence.
If the bar code data taken from the patient and that from the blood-bag safety device
correspond with each other, the signal reverser 850 activates the infrared radiation driver 860.
If the patient's bar code data corresponds with the bar code data from the blood-bag
safety device, the infrared radiation driver 860 emits pulses of infrared radiation of preset
pulse duration and intervals by means of an infrared radiation element. An infrared light
receiver on the blood-bag safety device receives the pulses of radiation. If the received radiation pulses correspond with preset pulse duration and intervals, the lock's magnet forms
a magnetic field that activates the electromagnet driver of the infrared light receiver.
The lock on the blood-bag safety device is released by the formation of a magnetic
field.
FIG. 9 is a flow chart showing the transfusion data confirmation procedure of the blood-
bag safety device in accord with the second preferred embodiment of the present invention.
Referring to FIG. 9, when the doctor first orders a blood transfusion for a patient, the
blood bank cross-matches the blood to be transfused.
When the cross-matching is completed, data about the patient receiving the
transfusion or the blood to be transfused is recorded on a bar code (Step 900). The bar code
contains patient data such as the patient's ID number, name, gender, age and/or diagnosis,
and/or blood data concerning the blood type or blood component (red blood cell concentrates,
platelets concentrates, or plasma) to be transfused. Then the bar code label containing the
patient data and/or blood data is attached to the blood-bag safety device (Step 910).
When the doctor afterwards instructs that the patient be given a blood transfusion,
first the bar code reader is used to scan the bar code on the patient's file (Step 920). The
received bar code data is converted into a digital signal and then stored in memory 830.
Then the bar code reader scans the bar code on the blood-bag safety device (Step
930) and judges whether the data taken from the safety device corresponds with the data
stored in memory which was taken from the patient's file (Step 940). The bar code data that is used to judge correspondence is at least one kind of data
extracted from the patient's data and that of the blood-bag safety device, such as the
patient' s ID number, name, or blood type. However, it is also possible to use all of the bar
code data from each bar code to judge correspondence.
If the patient's bar code data corresponds with that from the blood-bag safety device
(Step 950), the infrared radiation driver 860 and signal reverser 850 are activated, causing the
infrared radiation element to emit pulses of infrared radiation of preset pulse duration and
intervals (Step 960).
The infrared receiver on the blood-bag safety device then receives the radiation
pulses and judges whether they correspond with preset pulse duration and intervals (Step
980).
If the pulses of radiation correspond with preset pulse duration and intervals 990, a
magnetic field is formed by the activation of the electromagnet driver of the blood-bag safety
device. The electromagnet driver that receives the transferred signal forms a magnetic field
corresponding with the signal (Step 1000). The blood-bag safety device then opens when the
lock held up by spring tension is drawn down by the formation of a magnetic field (Step
1010).
Also, when the infrared radiation element emits pulses of radiation and the
electromagnet driver of the blood-bag safety device forms a magnetic field, the patient's bar
code data stored in memory is erased. On the other hand, if the bar code data from the patient and that from the blood-bag
safety device do not correspond with each other, the speaker driver of the bar code reader
causes an alarm to be emitted from the speaker, and the lock is not released (Step 1020). If it
is necessary to reconfirm whether the blood in the safety device is fit for the patient, the
verification procedure is repeated from Step 920.
For example, let's suppose that ID numbers are the data used to verify that the blood
for transfusion is fit for the patient.
When the doctor first orders a blood transfusion for a patient, the blood bank cross-
matches the blood to be transfused.
When the cross-matching is completed, the patient's data is recorded on a bar code
label. The patient's data comprises information such as their ID number, name, gender, age
and/or diagnosis, and/or blood data concerning the blood type or blood component (the
amount of red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
Then the bar code label is attached to the blood-bag safety device.
Subsequently, when the doctor instructs that the patient be given a blood transfusion,
first the bar code reader is used to scan the bar code on the patient's file, which contains both
patient data and blood data. The patient data comprises information such as the patient's ID
number, name, gender, age and/or diagnosis. The blood data is information concerning the
blood type or blood component (red blood cell concentrates, platelets concentrates, or
plasma) to be transfused. The received bar code data is converted into a digital signal and then stored in
memory 830. The bar code reader then scans the bar code on the blood-bag safety device.
The bar code reader extracts the ID number data both from the bar code data taken from the
blood-bag safety device and from the patient's bar code data stored in memory 830. Then the
bar code reader judges whether the ID number data taken from the blood-bag safety device
corresponds with that taken from the patient's bar code label.
If the ID number data from the patient's file corresponds with the data taken from the
blood-bag safety device, the lock on the blood-bag safety device is released and the device
opens.
In case of judging ID number correspondence, the bar code data that is used to judge
correspondence is at least one kind of data extracted from both the patient's data and from the
bar code data on the blood-bag safety device. The extracted data is information such as the
patient's name or blood type.
For example, when a patient needing red blood corpuscles requires a transfusion,
first the bar code reader scans the patient's bar code and stores the received data in memory.
Then the bar code reader scans the bar code on the blood-bag safety device.
Next, the bar code reader extracts blood type and red blood corpuscle data from the
data taken from the blood-bag safety device. Then the bar code reader judges whether the
patient's bar code data stored in memory corresponds with the bar code data taken from the
blood-bag safety device. If the extracted data corresponds, the blood-bag safety device opens.
In the case of component transfusions, the bar code reader scans the bar codes on the
patient's file and the blood-bag safety device, extracting information concerning the blood
type and the amount of red blood cell concentrates, platelets concentrates, or fresh frozen
plasma to be transfused. Blood component transfusion involves separately transfusing a
blood component such as red blood cell concentrates, platelets concentrates, or fresh frozen
plasma.
If the data taken from the patient corresponds with that from the blood-bag safety
device, the blood-bag safety device opens.
In addition, if all of the patient's bar code data corresponds with all the bar code data
taken from the blood-bag safety device, the blood-bag safety device opens.
For example, the bar code reader may receive bar code data from the blood-bag
safety device comprising patient data and blood data, and also receive the same kind of data
from the patient's bar code label. The patient data comprises information such as the
patient's ID number, name, gender, age and/or diagnosis. The blood data is information such
as the blood type or blood component (red blood cell concentrates, platelets concentrates, or
plasma) to be transfused. Then, if all the bar code data received from the blood-bag safety
device corresponds with all the data received from the patient's bar code, the blood-bag
safety device opens.
According to the preferred embodiment of the present invention, when a doctor first orders a blood transfusion for a patient, the blood bank cross-matches the blood to be
transfused. When the cross-matching is completed, the blood bank records the patient data
and blood data on a bar code label, which is then attached to the blood-bag safety device.
Later, the bar code reader judges whether the bar code data of the blood-bag safety device
corresponds with the patient's bar code data. If the patient's bar code data corresponds with
the bar code data taken from the blood-bag safety device, the blood-bag safety device opens.
The data in the bar code label attached to the blood-bag safety device may also include a
schedule for transfusions that will be performed within one month and one day according to a
doctor's instructions. The patient data comprises information such as the patient's ID number,
name, gender, age and/or diagnosis, and the blood data comprising information such as the
blood type or blood component (red blood cell concentrates, platelets concentrates, or
plasma) to be transfused.
FIG. 10 is a block diagram showing the structure of the blood-bag safety device in
accord with the second preferred embodiment of the present invention. FIG. 11 is a plan for
storing the bar code data on a blood-bag safety device so as to be read by the bar code reader
in accord with the second preferred embodiment of the present invention.
Referring to FIG. 10, the blood-bag safety device 1000 that secures the blood-bag is
designed so as to conduct little heat and prevent germ contamination.
The blood-bag safety device 1000 also comprises a bar code 1010, a receiver 1020
that receives infrared radiation transmitted from the device's bar code reader, and a lock mechanism 1030. The bar code contains a patient's data such as their ID number, name,
gender, age and/or diagnosis, and/or blood data such as the blood type or blood component
(red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
The receiver 1020 comprises an infrared receiving element, a signal detector, and an
electromagnet driver. The receiver receives the radiation pulses emitted by the infrared
radiation element of the bar code reader and judges whether they correspond with preset
pulse duration and intervals.
If the radiation pulses correspond with preset pulse duration and intervals, the
electromagnet driver of the blood-bag safety device activates an electromagnet in the lock
that forms a magnetic field.
The lock on the blood-bag safety device is released by the formation of a magnetic
field. That is, the blood-bag safety device opens when the lock mechanism held up by spring
tension is drawn down by the formation of the magnetic field.
The blood-bag safety device can hold blood-bags of the bag type or which are tube-
shaped (for example, in the shape of a circular, square or polygonal tube).
Referring to FIG. 11, in order to receive the safety device's bar code data 1010, the
bar code data receiver on the bar code reader 1050 is placed in contact with the bar code
attached to the blood-bag safety device 1000.
Referring to FIG. 11, when the bar code reader 1050 is put in contact with the bar
code 1010 attached to the blood-bag safety device 1000, the data from the bar code 1010 is converted into an electrical signal by the CCD sensor 800.
The signal is then converted into a digital signal by the digital converter 810, which
also judges whether the patient's bar code data stored in memory 830 corresponds with the
bar code data taken from the blood-bag safety device.
If the patient's bar code data corresponds with the bar code data from the blood-bag
safety device, the infrared radiation element controlled by the infrared radiation driver 860 by
means of a signal reverser 850 emits pulses of infrared radiation according to a preset pulse
duration and intervals.
The receiver 1020 on the blood-bag safety device 1000 receives the radiation pulses
emitted by the infrared radiation element of the bar code reader 1050 and judges whether
those pulses correspond with the preset pulse duration and intervals.
If the radiation pulses correspond with the preset pulse duration and intervals, the
electromagnet driver is activated, so that an electromagnetic field is formed in the lock on the
blood-bag safety device. The blood-bag safety device opens when the lock held up by spring
tension is drawn downwards by the formation of a magnetic field.
FIG. 12 is a structural drawing of the lock mechanism on the blood-bag safety device
showing the design of its infrared receiver in accord with the second preferred embodiment
of the present invention.
Referring to FIG. 12, the blood-bag safety device comprises an infrared receiver
1200 and a lock mechanism 1250 for securing a blood-bag in the safety device. The infrared receiver 1200 comprises an infrared signal receiving element 1203, a
signal detector 1206 and an electromagnet driver 1209.
The infrared receiving element 1203 receives pulses of radiation emitted from the
infrared radiation element of the bar code reader.
The signal detector 1206 judges whether the radiation pulses received by the infrared
receiving element 1203 correspond with a preset pulse duration and intervals, and then
activates the electromagnet driver 1209 if they correspond.
The electromagnet driver 1209 causes the electromagnet 1258 in the lock 1250 on
the blood-bag safety device to form an electromagnetic field.
The lock 1250 on the blood-bag safety device comprises a hanger 1252, a square
ring 1254, a spring 1256, and an electromagnet 1258. The spring is fixed at its lower end, the
hanger is locked in place by the spring's upward tension, and the square ring is pushed
upward by the spring so as to prevent the hanger's movement.
It will now be described how the lock 1250 of the blood-bag safety device is released
according to the second embodiment of the present invention.
First, if the patient's bar code data stored in memory 830 corresponds with the bar
code data of the blood-bag safety device 1000, the infrared radiation element on the bar code
reader radiates and the infrared receiving element 1203 on the blood-bag safety device
receives pulses of emitted radiation. The received radiation is then transferred to a signal
detector 1203 which judges whether the radiation pulses correspond with a preset pulse duration and intervals.
If the radiation pulses correspond with the preset pulse duration and intervals, the
electromagnet driver is activated and causes the electromagnet 1258 in the lock 1250 to form
an electromagnetic field.
The lock 1250 on the blood-bag safety device opens when the ring 1254 holding the
hanger 1252 in locked position by the tension of the spring 1256 is drawn downwards by the
formation of a magnetic field, thereby releasing the hanger.
It is possible for the bar code used in the first model of the present invention to be
either one-dimensional or two-dimensional. A one-dimensional bar code uses a stick type of
bar. On the other hand, a two-dimensional bar code can contain data such as the alpha¬
numeric, Korean alphabet or graphics in a regular size and the data can be altered.
< The third embodiment >
FIG. 13 is a structural drawing of the bar code reader in accord with the third
preferred embodiment of the present invention.
Referring to FIG. 13, the bar code reader comprises a CCD sensor 1300, a digital
converter 1310, a clock generator 1320, memory 1330, a contents comparator 1340, a signal
reverser 1350, an electromagnet driver 1360 and a speaker driver 1370.
It will first be described how the bar code reader moves according to the present
embodiment of the invention. When the bar code reader scans the bar code on the patient's file, the received data is
converted into an electrical signal by the CCD sensor 1300. The electrical signal is then
converted into a digital signal by the digital converter 1310 and afterwards stored in the bar
code reader's memory 1330.
Next, the bar code reader scans the bar code attached to the blood-bag safety device.
The received data is converted into an electrical signal by the CCD sensor 1300, which is
then transferred to the contents comparator 1340 and converted into a digital signal by the
digital converter 1310.
The contents comparator 1340 judges whether the bar code data from the blood-bag
safety device that has been converted into a digital signal corresponds with the patient's bar
code data stored in the bar code reader's memory.
The bar code data that is used to judge correspondence is at least one kind of data
extracted from the patient's data and the bar code data from the blood-bag safety device. The
extracted data comprises information such as the patient' s ID number, name, or blood type.
However, all of the bar code data can also be used to judge correspondence.
If the patient's bar code data and the bar code data taken from the blood-bag safety
device correspond with each other, the signal reverser 1350 sends a signal to the lock
mechanism of the safety device, causing the electromagnet driver 1360 to activate and form a
magnetic field.
The electromagnet driver that receives the signal causes a magnetic field to form by activating the electromagnet in the lock mechanism of the blood-bag safety device. The lock
on the safety device is released by the formation of the magnetic field.
For example, let's suppose that that the data used to verify correspondence is ID
numbers.
When the doctor first orders a blood transfusion for a patient, the blood bank cross-
matches the blood to be transfused.
When the cross-matching is completed, patient data and blood data are recorded on a
bar code label that is then attached to the blood-bag safety device. The patient data
comprises information such as the patient's ID number, name, gender, age and/or diagnosis,
and the blood data is information concerning the blood type or blood component (red blood
cell concentrates, platelets concentrates, or plasma) to be transfused.
Subsequently, when the doctor instructs that the blood transfusion be performed, first
the bar code reader scans the patient's bar code, which contains patient data and/or blood data.
The patient's data is information such as the patient's ID number, name, gender, age and/or
diagnosis. The blood data is information concerning the blood type or blood component (red
blood cell concentrates, platelets concentrates, or plasma) to be transfused.
The received bar code data is converted into a digital signal and then stored in the
bar code reader's memory 1330. Next, the bar code reader scans the bar code on the blood-
bag safety device. The bar code reader extracts the ID number data from the bar code data
taken from both the blood-bag safety device and the patient's bar code data stored in memory(1330.
Then the bar code reader judges whether the ID number data taken from the blood-
bag safety device corresponds with that taken from the patient's bar code label.
If the ID data taken from the patient's bar code label corresponds with the ID data
taken from the blood-bag safety device, the lock on the blood-bag safety device is released
and the safety device opens.
Judging ID number correspondence is one of the cases in which correspondence can
be judged using only one kind of data that is taken from the patient's bar code and the bar
code on the blood-bag safety device. The kind of data that can be used to judge
correspondence is information such as a patient's ID number, name, or blood type.
For example, when a patient needing red blood corpuscles requires a transfusion,
first the bar code reader scans the patient's bar code label and stores the received data in
memory. Then the bar code reader scans the bar code on the blood-bag safety device.
Next, the bar code reader extracts blood type and red corpuscle data from the bar
code data taken from the blood-bag safety device. Then the bar code reader judges whether
the bar code data taken from the patient and stored in memory corresponds with the bar code
data from the blood-bag safety device.
If the extracted data corresponds, the blood-bag safety device opens.
In case of component transfusions, the bar code reader extracts data concerning the patient's blood type and blood component (for example, red blood cell concentrates, platelets
concentrates, or fresh frozen plasma) from the patient's bar code data and that of the blood-
bag safety device. Component transfusion involves separately transfusing a blood
component such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma.
If the data taken from the patient's file corresponds with the data taken from the
blood-bag safety device, the safety device opens.
In addition, if all of the patient's bar code data corresponds with all of the bar code
data taken from the blood-bag safety device, the safety device opens.
For example, whenever the bar code reader scans the bar code on a blood-bag safety
device or on a patient, it receives both patient and blood data. The patient data comprises
information such as the patient's ID number, name, gender, age and/or diagnosis. The blood
data is information concerning the blood type or blood component (red blood cell
concentrates, platelets concentrates, or plasma) to be transfused. If all of the received bar
code data taken from the blood-bag safety device corresponds with all of the data taken from
the bar code on the patient's file, the blood-bag safety device opens.
FIG. 14 is a structural drawing of the blood-bag safety device in accord with the
third preferred embodiment of the present invention.
Referring to FIG. 14, the blood-bag safety device 1400 that secures the blood-bag is
designed so as to conduct little heat and prevent germ contamination.
The blood-bag safety device 1400 comprises a bar code 1410 and a receiver 1420 that receives light transmitted from the device's bar code reader to its lock mechanism. The
bar code 1410 contains patient data such as the patient's ID number, name, gender, age
and/or diagnosis, and/or blood data such as the blood type or blood component (red blood
cell concentrates, platelets concentrates, or plasma) to be transfused.
There is also a blood-bag 1430 in the safety device and a lock on the device for
securing the blood-bag.
The receiver 1420 has an electromagnet driver that is activated when it receives a
signal transferred from the electromagnet driver of the bar code reader. The receiver then in
turn activates the electromagnet in the lock mechanism that creates a magnetic field. The
lock on the blood-bag safety device is released by the formation of this magnetic field. That
is, the blood-bag safety device opens when the lock held up in place by spring tension is
drawn down by the formation of a magnetic field.
It is possible for the blood-bag safety device to hold blood-bags of the bag type or
which are tube-shaped (for example, in the shape of a circular, square or polygonal tube).
FIG. 15 is a structural drawing of the lock mechanism of the blood-bag safety device
showing its electromagnet driver in accord with the third preferred embodiment of the
present invention.
Referring to FIG. 15, the blood-bag safety device comprises an electromagnet driver
1500 and a lock mechanism 1550 to ensure that blood is kept secure.
The electromagnet driver 1500 receives a signal transferred from the electromagnet driver of the bar code reader that activates the electromagnet 1558 in the lock 1550, causing
it to form a magnetic field.
The lock 1550 on the blood-bag safety device comprises a hanger 1552, a square
ring 1554, a spring 1556 and an electromagnet 1558. The spring 1556 is fixed at its lower
end, the hanger is locked in place by the spring's upward tension, and the square ring that is
pushed upward by the spring to prevent the hanger's movement. If a releasing signal is
received, the ring is drawn downwards towards the source of the signal so that the lock is
released.
It will now be described how the lock on the blood-bag safety device is released
according the third embodiment of the present invention.
If the patient's bar code data stored in memory 1330 corresponds with the bar code
data taken from the blood-bag safety device, the electromagnet driver 1360 of the bar code
reader transfers a signal to the electromagnet driver 1500 of the blood-bag safety device,
which forms a magnetic field.
The electromagnet driver 1500 that receives the signal activates the electromagnet
1558 in the lock mechanism 1550 of the blood-bag safety device, which in turn generates a
magnetic field.
The lock 1550 on the blood-bag safety device opens when the ring 1554 holding the
hanger 1552 in locked position by the tension of the spring 1556 is drawn downwards by the
formation of a magnetic field, thereby releasing the hanger. It is self-evident that it is possible to use a bar code in the third embodiment of the
invention that is either one-dimensional or two-dimensional. The one-dimensional bar code
uses a stick type of electromagnetic bar. The two-dimensional bar code can contain data such
as characters of the alpha-numeric, Korean alphabet or graphics and it can be altered.
According to another preferred embodiment of the present invention, when the
blood-bag is prepared at the blood bank, a bar code containing only blood data (such as blood
type and blood component information) is attached to the blood-bag safety device.
Subsequently, if the doctor instructs that the patient be given a transfusion, the bar
code reader scans the patient's bar code label containing patient data (such as their name, age,
gender and/or diagnosis) and/or blood data (concerning the blood type or blood component to
be transfused), stores the data in memory, and then searches for any blood-bag safety device
with corresponding bar code data.
That is, the patient is transfused with blood from the blood-bag safety device that has
bar code data corresponding with the patient's bar code data concerning the blood type or
blood component (red blood cell concentrates, platelets concentrates, or plasma) to be
transfused.
For example, when a patient who has Rh+ A blood type needs a transfusion, first the
bar code reader scans the bar code on the patient's file to extract data such as the patient's
name, age, gender, and/or diagnosis, and the blood type or blood component (red blood cell
concentrates, platelets concentrates, or plasma) to be transfused. Then the bar code reader searches for a blood-bag safety device with an attached bar code containing blood data and
judges whether that blood corresponds with the Rh+ A blood of the patient. If comparison
tests identify a blood-bag safety device with a bar code containing corresponding Rh+ A or
Rh+ O blood data, the blood is extracted.
Likewise, when a patient has Rh+ B blood type and needs red blood corpuscles, the
bar code reader scans the patient's bar code label (containing both patient and blood data)
and stores the received data in memory. The bar code reader then searches among the bar
codes of blood-bag safety devices in order to find blood that corresponds with the received
data specifying Rh+ B blood type and the need for red blood corpuscles. That is, the bar
code reader extracts data concerning blood type from the patient's bar code data stored in
memory and from the bar code data of the blood-bag safety device, then judges whether this
data corresponds.
If a blood-bag safety device is found on which the bar code data specifies a
corresponding Rh+ B blood type and need for red blood corpuscles, the lock on that blood-
bag safety device is released so that the transfusion may proceed.
In this way, when a patient needs to be transfused with a separate blood component
(such as red blood cell concentrates, platelets concentrates, or fresh frozen plasma), the bar
code reader extracts blood component data from the bar codes of the patient and various
blood-bag safety devices. Afterwards, if the data taken from the patient's bar code label is
found to correspond with the bar code data of any blood-bag safety device, that blood-bag safety device opens.
According to another preferred embodiment of the present invention, the lock
securing the safety device can be placed at any point on the hose of the blood-bag. In this
case, there is no need for a safety device that holds the blood-bag. The safety lock is placed
at any point on the hose of the blood-bag, while the bar code label containing patient data and
blood data is attached anywhere on the hose or blood-bag.
Subsequently, if the doctor instructs that the patient be given a blood transfusion, the
bar code reader scans the patient's bar code label, stores the received data in memory, and
then scans the bar code data on the blood-bag or its hose.
The bar code reader judges whether the bar code data received from the blood-bag
corresponds with the patient's bar code data. If this data corresponds, the safety lock on the
blood-bag or its hose is released. That is, the hose of the blood-bag opens when the safety
lock is released, making it possible to control the quantity of blood transfused.
According to another preferred embodiment of the present invention, the blood-bag
safety device is equipped with a card reader and the patient's information sheet is replaced
with an RF card or ID card. When a patient needs a blood transfusion, the blood-bag safety
device opens when card data read by the card reader on the blood-bag safety device
corresponds with the data stored in the card reader.
The card reader stores the patient's ID number or personal data (for example, their
name, gender, diagnosis, blood type, and/or needed blood component) recorded on his or her card. Subsequently, when the card reader reads the data from a patient's card, the lock on the
blood-bag safety device is released if the data on a patient's card corresponds with the data
stored in the card reader.
According to another preferred embodiment of the present invention, the lock on the
blood-bag safety device is released when a fingerprint reader on the device reads a
fingerprint that corresponds with data stored in the fingerprint reader.
For example, when a doctor instructs that a patient receive a blood transfusion and
the blood bank cross-matches the blood to be transfused, then a fingerprint reader is installed
on the blood-bag safety device that records the fingerprint of the patient receiving a
transfusion. Afterwards, the lock on the blood-bag safety device is released if the fingerprint
stored in its fingerprint reader corresponds with a patient's fingerprint.
Alternatively, when the doctor instructs that a patient receive a blood transfusion and
the blood bank cross-matches the blood to be transfused, then an iris reader can be installed
on the blood-bag safety device which records the iris of the patient receiving a transfusion.
Afterwards, the safety lock on the blood-bag safety device is released if the iris
pattern recorded by the iris reader corresponds with a patient's iris.
Alternatively, when the doctor instructs that a patient receive a blood transfusion and
the blood bank cross-matches the blood to be transfused, then a voice recognizer can be
installed on the blood-bag safety device that records the voice of the patient receiving a
transfusion. Afterwards, the lock on the blood-bag safety device is released if the voice recorded by the voice recognizer corresponds with a patient's voice.
Alternatively, when the doctor instructs that a patient receive a blood transfusion and
the blood bank cross-matches the blood to be transfused, then a lock with a secret number
can be installed on the blood-bag safety device. Afterwards, the lock on the safety device is
released if the secret number stored in it corresponds with an inputted secret number.
According to another preferred embodiment of the present invention, when the
blood-bag is processed in the blood bank, a bar code containing blood data concerning blood
type or needed blood component is attached to the blood-bag safety device.
Subsequently, if the doctor instructs that the patient receives a transfusion, the bar
code reader scans the patient's bar code label and stores in memory the received data
(comprising the patient's ID number and name).
Then the bar code reader searches for a blood-bag safety device that has bar code
data corresponding with the patient's bar code data.
That is, first the bar code reader receives the patient's bar code data, which
comprises the patient's ID number and name. Then the bar code reader extracts detailed data
(for example, the patient's age and diagnosis, and the blood type or blood component to be
transfused) from the memory of the bar code reader or a database server with corresponding
data.
It is possible that the method for extracting detailed data about the patient from a
database server could be implemented using wireless or wired communications. The extracted data (such as the patient's age and diagnosis, and the blood type or
blood component to be transfused) is stored in the memory of the bar code reader.
Subsequently, the bar code reader receives bar code data from the blood-bag safety
device and judges whether it corresponds with the patient's detailed data stored in memory.
In order to judge whether blood to be transfused is right for a patient, it is possible to
use only one kind of data, such as the patient's blood type or the blood component (red blood
cell concentrates, platelets concentrates, or plasma) to be transfused. That data is extracted
from the memory of the bar code reader or from a database server. It is also possible to judge
whether the blood for transfusion matches a patient by comparing all the data extracted from
the memory of the bar code reader or a database server.
If the bar code data from the blood-bag safety device corresponds with a patient's
selected detailed data, the blood transfusion is executed.
Although the invention has been illustrated and described as embodied by the blood-
bag safety device, it is not intended to be limited to the details shown, since various
modifications and structural changes may be made without departing in any way from the
spirit of the present invention.
[INDUSTRIAL APPLICABILITY]
With the use of the present invention, medical malpractice caused by mistakenly
changing blood to be transfused can be completely prevented by using digitalized verification data and a safety lock.
With the use of the present invention, one side effect will be that the inconvenience
of checking patient and blood-bag data using the naked eye will be removed.
With the use of the present invention, medical malpractice caused by mistakenly
changing blood to be transfused can be prevented by employing a blood-bag safety device
that releases a lock mechanism only when a patient's bar code data corresponds with the bar
code data on the safety device.

Claims

[CLAIMS]
1. A safety system for blood-bags, comprising:
a blood-bag safety device that secures blood or a blood-bag and has attached a first
identification data concerning a patient who needs a transfusion;
a lock-releasing signal generator which takes a second identification data concerning
the patient or the blood to be transfused from a mark or device with the patient, takes the first
identification data from the blood-bag safety device, and generates a signal to release a lock
on the safety device if the blood is fit for the patient.
2. A blood-bag safety device comprising:
a container for securing blood or a blood-bag;
a device for storing or attaching a first identification data concerning a patient who
needs a transfusion; and
a lock mechanism that releases a safety lock when it receives the correct signal,
which is generated when the blood is judged fit for the patient who needs a transfusion
through matching the first identification data and a second identification data of the patient.
3. The blood-bag safety device as described in Claim 2, wherein the first
identification data is indicated by a bar code.
4. The blood-bag safety device as described in Claim 2, wherein the first
identification data comprises at least one kind of patient data among the patient's name, age,
gender, or diagnosis.
5. The blood-bag safety device as described in Claim 2, wherein the first
identification data comprises at least one kind of blood data among blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
6. The blood-bag safety device as described in Claim 2, wherein said lock
mechanism comprises:
a down-axis fixed spring;
a hanger that is moved by tension of said spring; and
a ring that resists said hanger's movement;
wherein if lock-releasing signal is received, said hanger moves toward the source of
the received signal so that the lock is released.
7. A lock-releasing signal generator, comprising:
a receiver for receiving a first identification data (concerning blood or the patient
who needs a transfusion) from a blood-bag safety device that secures the blood or blood-bag,
and for receiving a second identification data (concerning the blood or patient who needs a transfusion) from a mark or device with the patient;
a controller for judging whether the blood is fit for the patient who needs a
transfusion by using the first and the second identification data; and
a signal generator for sending a releasing signal to the lock of the blood-bag safety
device in the case that the blood is fit for the patient who needs a transfusion.
8. The lock-releasing signal generator as described in Claim 7, wherein the first
identification data is indicated by a bar code.
9. The lock-releasing signal generator as described in Claim 7, wherein the first
identification data comprises at least one kind of the patient's data among the patient's name,
age, gender or diagnosis.
10. The lock-releasing signal generator as described in Claim 7, wherein the first
identification data comprises at least one of the blood data among the blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
11. The lock-releasing signal generator as described in Claim 7, wherein the second
identification data comprises at least one kind of the patient data among the patient's name,
age, gender, diagnosis, iris pattern, fingerprint, or voice pattern.
12. The lock-releasing signal generator as described in Claim 7, wherein the second
identification data comprises at least one kind of blood data among blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
13. The lock-releasing signal generator as described in Claim 7, wherein the said
signal generator comprises:
a magnetic field generator for generating a magnetic field when it is determined that
the blood is fit for the patient who needs a transfusion; and
a transmitter for transmitting the generated magnetic field to the blood-bag safety
device.
14. The lock-releasing signal generator as described in Claim 7, wherein the said
signal generator comprises:
a wireless signal generator for generating a wireless signal when it is determined that
the blood is fit for the patient who needs a transfusion; and
a transmitter for transmitting the generated signal.
15. A method for releasing the safety lock, comprising the following steps:
receiving a first identification data (concerning the blood or the patient needing a transfusion) from the blood-bag safety device that secures the blood or the blood-bag;
receiving a second identification data (concerning the blood or the patient) from a
mark or device with the patient;
judging whether the blood is fit for the patient who needs a transfusion by using the
first and the second identification data; and
generating a lock-releasing signal that is transmitted to the lock of the blood-bag
safety device in the event that the blood is fit for the patient who needs a transfusion.
16. The method for releasing the safety lock as described in Claim 15, wherein the
first identification data is indicated by a bar code.
17. The method for releasing the safety lock as described in Claim 15, wherein the
first identification data comprises at least one kind of patient data among the patient's name,
age, gender, or diagnosis.
18. The method for releasing the safety lock as described in Claim 15, wherein the
first identification data comprises at least one kind of blood data among blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
19. The method for releasing the safety lock as described in Claim 15, wherein the second identification data comprises at least one kind of the patient data among the patient's
name, age, gender, diagnosis, iris pattern, fingerprint or voice pattern.
20. The method for releasing the safety lock as described in Claim 15, wherein the
second identification data comprises at least one kind of blood data among blood type or
blood component (red blood cell concentrates, platelets concentrates, or plasma) to be
transfused.
21. The method for releasing the safety lock as described in Claim 15, wherein the
lock-releasing signal releases the lock on the blood-bag safety device.
22. A method for releasing the safety lock, comprising the following steps:
receiving a first identification data (concerning the blood and/or the patient needing a
transfusion) from the blood-bag safety device that secures the blood or the blood-bag;
receiving a second identification data (concerning the blood and/or the patient) from
a mark or device with the patient;
judging whether the blood is fit for the patient who needs a transfusion by using the
first and second identification data;
generating a magnetic field when it is determined that the blood is fit for the patient
who needs a transfusion; and releasing the lock on the blood-bag safety device by means of the generated
magnetic field.
23. A method for releasing the safety lock, comprising the following steps:
receiving a first identification data (concerning the blood or the patient who needs a
transfusion) from the blood-bag safety device that secures the blood or the blood-bag;
receiving a second identification data (concerning the blood or the patient) from a
mark or device with the patient;
judging whether the blood is fit for the patient who needs a transfusion by using the
first and second identification data;
generating a wireless signal when it is determined that the blood is fit for the patient
who needs a transfusion;
receiving the generated wireless signal and judging whether the pulses of the
wireless signal correspond with preset pulse duration and intervals.
generating a magnetic field when it is determined that the pulses of the wireless
signal correspond with preset pulse duration and intervals; and
releasing the lock on the blood-bag safety device by means of the generated
magnetic field. AMENDED CLAIMS
[received by the International Bureau on 13 June 2001 (13.06.01); original claims 1 and 2 amended; remaining claims unchanged (2 pages)]
1. (amended) A safety system for preventing a patient from being mistransfused with
blood, comprising:
(1) a blood-bag safety device including
(1-1) a container for securing blood or blood-bag,
(1-2) means for storing or attaching a first identification data concerning the
patient to be transfused with blood or the blood included the container, and
(1-3) a locking mechanism;
(2) a lock-releasing signal generator for inputting a second identification data
concerning the patient to be transfused or the blood from a mark or a device with the patient,
inputting the first identification data from said blood-bag safety device, and generating a
releasing signal when the blood of the blood-bag safety device is suitable for the patient
having the second identification data, based on the first identification data and the second
identification data,
wherein the locking mechanism of said blood-bag safety device is lock-released in
response to the releasing signal from the lock-releasing signal generator.
2. (amended)A blood-bag safety device comprising:
a container for securing blood or a blood-bag;
means for storing or attaching a first identification data concerning a patient to be transfused with blood or the blood include said container; and
a locking means for being lock-released in response with a releasing signal,
wherein the releasing signal is electrical and/or magnetic signal generated by a lock-
releasing signal generator when the blood included in said container is suitable for the patient
having a second identification data based on the first identification data based on the first
identification data and the second identification data.
3. The blood-bag safety device as described in Claim 2, wherein the first
identification data is indicated by a bar code.
4. The blood-bag safety device as described in Claim 2, wherein the first
identification data comprises at least one kind of patient data among the patient's name, age,
gender, or diagnosis.
5. The blood-bag safety device as described in Claim 2, wherein the first
identification data comprises at least one kind of blood data among blood type or blood
component (red blood cell concentrates, platelets concentrates, or plasma) to be transfused.
6. The blood-bag safety device as described in Claim 2, wherein said lock
mechanism comprises: STATEMENT Under Article 19
I/we amended claims according to the article 19 of PCT. US 4,685,314 "DEVICE AND METHOD FOR PREVENTING TRANSFUSED OF INCOMPATIBLE", which was cited by examiner as the prior art (hereinafter "prior art") in international search report, comprises sealing means, locking means and releasing means. However, prior art does not comprise lock-releasing signal generator, which is one of essential elements of the present invention. And there are two major differences between releasing means and lock-releasing signal generator: (1) the constitution of the releasing means is not revealed in prior art and (2) prior art uses mechanical mechanism for locking and unlocking blood product container such as a lock and a key, however, present invention uses electrical mechanism for locking and unlocking a container such as electrical and/or magnetic signal, which is generated by lock-releasing signal generator.
PCT/KR2000/000990 2000-07-26 2000-08-31 Safety device of blood-bag and method for releasing the lock for safety WO2002007800A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2000267396A AU2000267396A1 (en) 2000-07-26 2000-08-31 Safety device of blood-bag and method for releasing the lock for safety

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020000042976A KR20020009311A (en) 2000-07-26 2000-07-26 A safty device of blood bag for prevention of transfusion accident
KR2000/42976 2000-07-26

Publications (1)

Publication Number Publication Date
WO2002007800A1 true WO2002007800A1 (en) 2002-01-31

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AU (1) AU2000267396A1 (en)
WO (1) WO2002007800A1 (en)

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Publication number Priority date Publication date Assignee Title
WO2005062751A2 (en) * 2003-11-21 2005-07-14 Vasogen Ireland Limited Medical material handling systems
GB2420893A (en) * 2004-12-02 2006-06-07 Newcastle Upon Tyne Hospitals Blood transfusion checking system
EP2436361A1 (en) * 2009-05-25 2012-04-04 Veridentia, S.L. Device with an electromechanical lock for the safe distribution of blood or hemocomponents
EP2608822A2 (en) * 2010-08-26 2013-07-03 Carefusion 303 Inc. Iv pump with controllable magnetic field
WO2015128521A1 (en) * 2014-02-27 2015-09-03 Jorge Urtiaga Baonza Solutions, S.L. Security device applicable to containers containing parenteral therapies
US9127481B2 (en) 2011-07-01 2015-09-08 Typenex Medical, Llc Mechanical barrier recipient verification system
US10987276B2 (en) 2016-10-03 2021-04-27 Biolog-id Device for storing elements
CN114044290A (en) * 2021-10-17 2022-02-15 怀化普德医疗科技有限责任公司 Intelligent storage device for blood in hospital

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101596267B1 (en) 2014-08-21 2016-02-23 동양대학교 산학협력단 Blood transfusion safety mechanism to prevent accidents

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US6058876A (en) * 1998-09-17 2000-05-09 Keene; Douglas Blood type-specific safety labeling system for patients and blood products

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005062751A2 (en) * 2003-11-21 2005-07-14 Vasogen Ireland Limited Medical material handling systems
WO2005062751A3 (en) * 2003-11-21 2005-11-03 Vasogen Ireland Ltd Medical material handling systems
GB2420893A (en) * 2004-12-02 2006-06-07 Newcastle Upon Tyne Hospitals Blood transfusion checking system
WO2006059156A1 (en) * 2004-12-02 2006-06-08 Newcastle-Upon-Tyne Hospitals Nhs Trust Blood transfusion checking system
EP2436361A1 (en) * 2009-05-25 2012-04-04 Veridentia, S.L. Device with an electromechanical lock for the safe distribution of blood or hemocomponents
EP2436361A4 (en) * 2009-05-25 2014-11-05 Veridentia S L Device with an electromechanical lock for the safe distribution of blood or hemocomponents
EP2608822A2 (en) * 2010-08-26 2013-07-03 Carefusion 303 Inc. Iv pump with controllable magnetic field
EP2608822A4 (en) * 2010-08-26 2014-03-12 Carefusion 303 Inc Iv pump with controllable magnetic field
US9127481B2 (en) 2011-07-01 2015-09-08 Typenex Medical, Llc Mechanical barrier recipient verification system
WO2015128521A1 (en) * 2014-02-27 2015-09-03 Jorge Urtiaga Baonza Solutions, S.L. Security device applicable to containers containing parenteral therapies
US10987276B2 (en) 2016-10-03 2021-04-27 Biolog-id Device for storing elements
CN114044290A (en) * 2021-10-17 2022-02-15 怀化普德医疗科技有限责任公司 Intelligent storage device for blood in hospital

Also Published As

Publication number Publication date
KR20020009311A (en) 2002-02-01
AU2000267396A1 (en) 2002-02-05
KR20020059588A (en) 2002-07-13
KR100475648B1 (en) 2005-03-10

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