CA2177842A1 - Method and apparatus for treating cardiovascular pathologies - Google Patents

Method and apparatus for treating cardiovascular pathologies

Info

Publication number
CA2177842A1
CA2177842A1 CA002177842A CA2177842A CA2177842A1 CA 2177842 A1 CA2177842 A1 CA 2177842A1 CA 002177842 A CA002177842 A CA 002177842A CA 2177842 A CA2177842 A CA 2177842A CA 2177842 A1 CA2177842 A1 CA 2177842A1
Authority
CA
Canada
Prior art keywords
treating cardiovascular
peripheral resistance
cardiovascular pathologies
hypertension
determined
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
CA002177842A
Other languages
French (fr)
Other versions
CA2177842C (en
Inventor
Shiu-Shin Chio
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.)
Pulse Metric Inc
Original Assignee
Shiu-Shin Chio
Pulse Metric, Inc.
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 Shiu-Shin Chio, Pulse Metric, Inc. filed Critical Shiu-Shin Chio
Publication of CA2177842A1 publication Critical patent/CA2177842A1/en
Application granted granted Critical
Publication of CA2177842C publication Critical patent/CA2177842C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B5/02007—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
    • A61B5/021—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays

Abstract

A method is disclosed for diagnosing, monitoring and treating cardiovascular pathologies. Among the hemodynamic parameters of interest are peripheral resistance, compliance, and cardiac (left ventricular) output. Peripheral resistance determined according to the present invention has been found to be a reliable indicate not only of hypertension, but also of the cause of the hypertension. The determined peripheral resistance can be compared against a predetermined threshold value.
This comparison helps to foster a diagnosis of a hypertensive condition.
CA002177842A 1993-12-17 1994-12-15 Method and apparatus for treating cardiovascular pathologies Expired - Fee Related CA2177842C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/169,590 1993-12-17
US08/169,590 US5836884A (en) 1993-12-17 1993-12-17 Method for diagnosing, monitoring and treating hypertension and other cardiac problems
PCT/US1994/014612 WO1995016391A1 (en) 1993-12-17 1994-12-15 Method and apparatus for treating cardiovascular pathologies

Publications (2)

Publication Number Publication Date
CA2177842A1 true CA2177842A1 (en) 1995-06-22
CA2177842C CA2177842C (en) 2004-01-06

Family

ID=22616335

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002177842A Expired - Fee Related CA2177842C (en) 1993-12-17 1994-12-15 Method and apparatus for treating cardiovascular pathologies

Country Status (10)

Country Link
US (4) US5836884A (en)
EP (1) EP0738125B1 (en)
JP (1) JP3607292B2 (en)
CN (1) CN1123319C (en)
AT (1) ATE282987T1 (en)
AU (1) AU1374395A (en)
CA (1) CA2177842C (en)
DE (1) DE69434152T2 (en)
ES (1) ES2233939T3 (en)
WO (1) WO1995016391A1 (en)

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Also Published As

Publication number Publication date
ES2233939T3 (en) 2005-06-16
CN1123319C (en) 2003-10-08
DE69434152D1 (en) 2004-12-30
EP0738125A1 (en) 1996-10-23
DE69434152T2 (en) 2005-12-08
AU1374395A (en) 1995-07-03
US5836884A (en) 1998-11-17
US6165130A (en) 2000-12-26
US20010016690A1 (en) 2001-08-23
JP3607292B2 (en) 2005-01-05
US6540687B2 (en) 2003-04-01
WO1995016391A1 (en) 1995-06-22
JPH09506536A (en) 1997-06-30
EP0738125B1 (en) 2004-11-24
CA2177842C (en) 2004-01-06
CN1137744A (en) 1996-12-11
EP0738125A4 (en) 1999-05-19
ATE282987T1 (en) 2004-12-15
US6270461B1 (en) 2001-08-07

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