CA2122687A1 - Peripheral arterial monitoring instruments - Google Patents

Peripheral arterial monitoring instruments

Info

Publication number
CA2122687A1
CA2122687A1 CA002122687A CA2122687A CA2122687A1 CA 2122687 A1 CA2122687 A1 CA 2122687A1 CA 002122687 A CA002122687 A CA 002122687A CA 2122687 A CA2122687 A CA 2122687A CA 2122687 A1 CA2122687 A1 CA 2122687A1
Authority
CA
Canada
Prior art keywords
volume
arterial
determined
compliance
peripheral arterial
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
CA002122687A
Other languages
French (fr)
Other versions
CA2122687C (en
Inventor
Howard P. Apple
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.)
Critikon Co LLC
Original Assignee
Critikon 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 Critikon Inc filed Critical Critikon Inc
Publication of CA2122687A1 publication Critical patent/CA2122687A1/en
Application granted granted Critical
Publication of CA2122687C publication Critical patent/CA2122687C/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
    • A61B5/02—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
    • A61B5/02225—Measuring pressure in heart or blood vessels by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers using the oscillometric method

Abstract

A method and apparatus are described for determining characteristics of peripheral arterial volume and compliance. A blood pressure cuff is inflated and deflated around a limb of the body and pressure measurements are taken. The volume of air removed from the cuff is determined in a quantifiable manner, such as by expelling air through an orifice of known characteristics or by means of a volume of know characteristics. The detected pressures and volume of air removed are used to compute oscillation volume, which in turn is used to display arterial capacity and compliance as a function of transmural pressure and time. Arterial capacity may be displayed in terms of arterial radius, arterial cross-sectional area, or arterial volume. Also, systolic and pulse pressures are determined using only these determined values.
CA002122687A 1993-05-03 1994-05-02 Peripheral arterial monitoring instruments Expired - Fee Related CA2122687C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/056,103 1993-05-03
US08/056,103 US5417220A (en) 1989-12-20 1993-05-03 Peripheral arterial monitoring instruments

Publications (2)

Publication Number Publication Date
CA2122687A1 true CA2122687A1 (en) 1994-11-04
CA2122687C CA2122687C (en) 2005-02-15

Family

ID=22002168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002122687A Expired - Fee Related CA2122687C (en) 1993-05-03 1994-05-02 Peripheral arterial monitoring instruments

Country Status (5)

Country Link
US (2) US5417220A (en)
EP (1) EP0627191A1 (en)
AU (1) AU672488B2 (en)
CA (1) CA2122687C (en)
ZA (1) ZA943014B (en)

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US5991654A (en) * 1997-06-06 1999-11-23 Kci New Technologies, Inc. Apparatus and method for detecting deep vein thrombosis
US6309359B1 (en) * 1998-06-01 2001-10-30 Michael D. Whitt Method and apparatus for noninvasive determination of peripheral arterial lumenal area
US6231532B1 (en) 1998-10-05 2001-05-15 Tyco International (Us) Inc. Method to augment blood circulation in a limb
US6152881A (en) * 1999-03-29 2000-11-28 Vasocor, Inc. Calibrated measurement of blood vessels and endothelium after reactive hyperemia and method therefor
FR2794961B1 (en) 1999-06-16 2001-09-21 Global Link Finance PROCESS FOR DETERMINING THE TIME OFFSET BETWEEN THE INSTANTS OF THE PASSAGE OF A SAME PULSE WAVE IN TWO DISTINCT MEASUREMENT POINTS OF AN ARTERIAL NETWORK OF A LIVING BEING AND ESTIMATING ITS AORTIC PRESSURE
US6338719B1 (en) * 2000-06-12 2002-01-15 Rutgers, The State University Of New Jersey Method and system for detecting vascular conditions using an occlusive arm cuff plethysmograph
EP1313397A2 (en) * 2000-07-19 2003-05-28 Nigel E. Sharrock Non-invasive measurement of suprasystolic signals
US7727157B2 (en) * 2002-09-13 2010-06-01 Sharrock Nigel E Non-invasive measurement of suprasystolic signals
AU2002336364A1 (en) * 2001-08-17 2003-05-06 Ted W. Russell Methods, apparatus and sensor for hemodynamic monitoring
US7011631B2 (en) 2003-01-21 2006-03-14 Hemonix, Inc. Noninvasive method of measuring blood density and hematocrit
US7689261B2 (en) * 2003-11-26 2010-03-30 General Electric Company Cardiac display methods and apparatus
JP5363795B2 (en) * 2008-04-14 2013-12-11 国立大学法人広島大学 Vascular endothelial function evaluation apparatus and vascular endothelial function evaluation method
US9788733B2 (en) 2009-06-02 2017-10-17 Cordex Systems, Inc. Method and device for detecting and assessing reactive hyperemia using segmental plethysmography
US8708921B2 (en) 2009-06-02 2014-04-29 Cordex Systems, Llc Method and device for detecting and assessing reactive hyperemia using segmental plethysmography
EP2319408A1 (en) * 2009-10-15 2011-05-11 Finapres Medical Systems B.V. Device for controlling the pressure in an inflatable pressure pad
CA2907342A1 (en) * 2013-03-15 2014-09-18 Charles L. Davis Noninvasive method of measuring cardiovascular parameters, modelling the peripheral vascular loop, analyzing vascular status, and improving cardiovascular disease diagnosis
US10945612B2 (en) 2014-04-03 2021-03-16 The Regents Of The University Of California Assessing endothelial function using a blood pressure cuff
US20160120420A1 (en) * 2014-10-30 2016-05-05 David A. Liedl Vascular measurement system
CN108135506B (en) 2015-08-14 2021-11-02 加利福尼亚大学董事会 Methods and devices for assessing endothelial function in mammals
US10881303B2 (en) * 2016-03-24 2021-01-05 Board Of Regents Of The University Of Nebraska Devices and methods for detecting and measuring sympathetic vasomotion
EP3468462A1 (en) * 2016-06-14 2019-04-17 Koninklijke Philips N.V. Device and method for non-invasive assessment of maximum arterial compliance
US10772571B2 (en) 2016-11-15 2020-09-15 Welch Allyn, Inc. Method and systems for correcting for arterial compliance in a blood pressure assessment

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US3903872A (en) * 1974-02-25 1975-09-09 American Optical Corp Apparatus and process for producing sphygmometric information
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US4367751A (en) * 1976-12-27 1983-01-11 Warner-Lambert Company Apparatus and process for producing artifact effect on sphygmometric information
US4174707A (en) * 1976-12-27 1979-11-20 American Optical Corporation Apparatus and process for antifact rejection through cross correlation in sphygmometry
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Also Published As

Publication number Publication date
EP0627191A1 (en) 1994-12-07
CA2122687C (en) 2005-02-15
US5724981A (en) 1998-03-10
AU672488B2 (en) 1996-10-03
ZA943014B (en) 1995-11-02
AU6199694A (en) 1994-11-10
US5417220A (en) 1995-05-23

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