WO2008109185A3 - A noninvasive method to determine characteristics of the heart - Google Patents

A noninvasive method to determine characteristics of the heart Download PDF

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Publication number
WO2008109185A3
WO2008109185A3 PCT/US2008/003207 US2008003207W WO2008109185A3 WO 2008109185 A3 WO2008109185 A3 WO 2008109185A3 US 2008003207 W US2008003207 W US 2008003207W WO 2008109185 A3 WO2008109185 A3 WO 2008109185A3
Authority
WO
WIPO (PCT)
Prior art keywords
heart
determine characteristics
noninvasive method
patient
estimating
Prior art date
Application number
PCT/US2008/003207
Other languages
French (fr)
Other versions
WO2008109185A2 (en
Inventor
Kenneth R Kensey
Daniel J Cho
Original Assignee
Kenneth R Kensey
Daniel J Cho
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 Kenneth R Kensey, Daniel J Cho filed Critical Kenneth R Kensey
Publication of WO2008109185A2 publication Critical patent/WO2008109185A2/en
Publication of WO2008109185A3 publication Critical patent/WO2008109185A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring or recording blood output from the heart, e.g. minute volume
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/02028—Determining haemodynamic parameters not otherwise provided for, e.g. cardiac contractility or left ventricular ejection fraction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/022—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Physiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • Vascular Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)

Abstract

A method for estimating/determining the work of the heart of a patient that includes calculating the cardiac output based on estimated or measured pulsatile pressure profile and blood flow characteristics of a patient.
PCT/US2008/003207 2007-03-06 2008-03-06 A noninvasive method to determine characteristics of the heart WO2008109185A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89315807P 2007-03-06 2007-03-06
US60/893,158 2007-03-06

Publications (2)

Publication Number Publication Date
WO2008109185A2 WO2008109185A2 (en) 2008-09-12
WO2008109185A3 true WO2008109185A3 (en) 2008-11-27

Family

ID=39739004

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/003207 WO2008109185A2 (en) 2007-03-06 2008-03-06 A noninvasive method to determine characteristics of the heart

Country Status (1)

Country Link
WO (1) WO2008109185A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10117586B1 (en) 2014-03-31 2018-11-06 Sensogram Technologies, Inc. Continuous non-invasive wearable blood pressure monitoring system
US9936885B1 (en) 2014-03-31 2018-04-10 Sensogram Technologies, Inc. Apparatus for ambient noise cancellation in PPG sensors
US10327649B1 (en) 2014-03-31 2019-06-25 Sensogram Technologies, Inc. Non-invasive wearable blood pressure monitoring system
US10117598B1 (en) 2015-11-08 2018-11-06 Sensogram Technologies, Inc. Non-invasive wearable respiration rate monitoring system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054493A (en) * 1986-01-31 1991-10-08 Regents Of The University Of Minnesota Method for diagnosing, monitoring and treating hypertension
US5261412A (en) * 1992-11-20 1993-11-16 Ivac Corporation Method of continuously monitoring blood pressure
US6796168B1 (en) * 2000-08-28 2004-09-28 Rheologics, Inc. Method for determining a characteristic viscosity-shear rate relationship for a fluid
US20040254483A1 (en) * 2003-01-24 2004-12-16 Proteus Biomedical, Inc. Methods and systems for measuring cardiac parameters
US20050124864A1 (en) * 2003-10-27 2005-06-09 Mack David C. System and process for non-invasive collection and analysis of physiological signals
US20070135124A1 (en) * 2005-12-13 2007-06-14 Davolos Christopher J Method and system of multiple wireless HPLMN

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5054493A (en) * 1986-01-31 1991-10-08 Regents Of The University Of Minnesota Method for diagnosing, monitoring and treating hypertension
US5261412A (en) * 1992-11-20 1993-11-16 Ivac Corporation Method of continuously monitoring blood pressure
US6796168B1 (en) * 2000-08-28 2004-09-28 Rheologics, Inc. Method for determining a characteristic viscosity-shear rate relationship for a fluid
US20040254483A1 (en) * 2003-01-24 2004-12-16 Proteus Biomedical, Inc. Methods and systems for measuring cardiac parameters
US20050124864A1 (en) * 2003-10-27 2005-06-09 Mack David C. System and process for non-invasive collection and analysis of physiological signals
US20070135124A1 (en) * 2005-12-13 2007-06-14 Davolos Christopher J Method and system of multiple wireless HPLMN

Also Published As

Publication number Publication date
WO2008109185A2 (en) 2008-09-12

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