CA2739186A1 - Disposable infusion device with snap action actuation - Google Patents

Disposable infusion device with snap action actuation Download PDF

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Publication number
CA2739186A1
CA2739186A1 CA2739186A CA2739186A CA2739186A1 CA 2739186 A1 CA2739186 A1 CA 2739186A1 CA 2739186 A CA2739186 A CA 2739186A CA 2739186 A CA2739186 A CA 2739186A CA 2739186 A1 CA2739186 A1 CA 2739186A1
Authority
CA
Canada
Prior art keywords
snap action
bendable member
action actuator
bendable
cam surface
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2739186A
Other languages
French (fr)
Other versions
CA2739186C (en
Inventor
Brett J. Carter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Calibra Medical LLC
Original Assignee
Calibra Medical LLC
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 Calibra Medical LLC filed Critical Calibra Medical LLC
Publication of CA2739186A1 publication Critical patent/CA2739186A1/en
Application granted granted Critical
Publication of CA2739186C publication Critical patent/CA2739186C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14212—Pumping with an aspiration and an expulsion action
    • A61M5/1424—Manually operated pumps
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/14586—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of a flexible diaphragm
    • 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps
    • A61M5/14244—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body
    • A61M5/14248—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type
    • A61M2005/14252—Pressure infusion, e.g. using pumps adapted to be carried by the patient, e.g. portable on the body of the skin patch type with needle insertion means
    • 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
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/581—Means for facilitating use, e.g. by people with impaired vision by audible feedback
    • 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
    • A61M2205/58—Means for facilitating use, e.g. by people with impaired vision
    • A61M2205/582—Means for facilitating use, e.g. by people with impaired vision by tactile feedback

Abstract

A wearable infusion device comprises a reservoir that holds a liquid medicament, an outlet port that delivers the liquid medicament to a patient, a pump that displaces a volume of the liquid medicament to the outlet port when actuated, and a control that actuates the pump. The control comprises a snap action actuator.

Claims (10)

1. A wearable infusion device comprising:

a reservoir that holds a liquid medicament;

an outlet port that delivers the liquid medicament to a patient;

a pump that displaces a volume of the liquid medicament to the outlet port when actuated; and a control that actuates the pump, the control comprising a snap action actuator.
2. The device of claim 1, wherein the snap action actuator comprises a depressible member.
3. The device of claim 1, wherein the snap action actuator comprises a bendable member.
4. The device of claim 3, wherein the snap action actuator further comprises an abutment member that initially engages and holds the bendable member under compression.
5. The device of claim 4, wherein the snap action actuator further comprises a first cam surface that, when translated in a first direction, raises the bendable member above the abutment member to release the bendable member.
6. The device of claim 5, wherein the snap action actuator further comprises a second cam surface that, when translated in a second direction, opposite the first direction, raises the bendable member above the abutment member and returns the bendable member into engagement with the abutment member under compression.
7. The device of claim 6, further comprising a spring that forces the second cam surface to translate in the second direction.
8. The device of claim 4, wherein the snap action actuator further comprises a first cam surface that, when translated in a direction towards the bendable member, raises the bendable member above the abutment member to release the bendable member.
9. The device of claim 8, wherein the snap action actuator further comprises a second cam surface that, when translated in a direction away from the bendable member, raises the bendable member above the abutment member and returns the bendable member into engagement with the abutment member under compression.
10. The device of claim 9, further comprising a spring that forces the second cam surface to translate in the direction away from the bendable member.
CA2739186A 2007-09-28 2008-09-23 Disposable infusion device with snap action actuation Active CA2739186C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/906,102 US7771391B2 (en) 2007-09-28 2007-09-28 Disposable infusion device with snap action actuation
US11/906,102 2007-09-28
PCT/US2008/077320 WO2009045780A2 (en) 2007-09-28 2008-09-23 Disposable infusion device with snap action actuation

Publications (2)

Publication Number Publication Date
CA2739186A1 true CA2739186A1 (en) 2009-04-09
CA2739186C CA2739186C (en) 2015-12-22

Family

ID=40509187

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2739186A Active CA2739186C (en) 2007-09-28 2008-09-23 Disposable infusion device with snap action actuation

Country Status (7)

Country Link
US (2) US7771391B2 (en)
EP (1) EP2197516A4 (en)
JP (1) JP5539209B2 (en)
CN (1) CN101808682B (en)
CA (1) CA2739186C (en)
IL (1) IL204734A (en)
WO (1) WO2009045780A2 (en)

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Also Published As

Publication number Publication date
JP5539209B2 (en) 2014-07-02
EP2197516A4 (en) 2012-10-03
US20090182277A1 (en) 2009-07-16
EP2197516A2 (en) 2010-06-23
US20090088689A1 (en) 2009-04-02
CN101808682B (en) 2012-09-05
CN101808682A (en) 2010-08-18
WO2009045780A3 (en) 2009-06-04
WO2009045780A2 (en) 2009-04-09
IL204734A0 (en) 2010-11-30
CA2739186C (en) 2015-12-22
US7771391B2 (en) 2010-08-10
JP2010540095A (en) 2010-12-24
IL204734A (en) 2014-02-27

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