CA1017413A - Plethysmographe a impedance relie a un organe auxiliaire de mesure de debit et methode connexe - Google Patents

Plethysmographe a impedance relie a un organe auxiliaire de mesure de debit et methode connexe

Info

Publication number
CA1017413A
CA1017413A CA187,657A CA187657A CA1017413A CA 1017413 A CA1017413 A CA 1017413A CA 187657 A CA187657 A CA 187657A CA 1017413 A CA1017413 A CA 1017413A
Authority
CA
Canada
Prior art keywords
flow rate
use therewith
impedance plethysmograph
rate computer
computer adjunct
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.)
Expired
Application number
CA187,657A
Other languages
English (en)
Other versions
CA187657S (en
Inventor
Larry E. Brown
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.)
Systron Donner Corp
Original Assignee
Systron Donner Corp
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 Systron Donner Corp filed Critical Systron Donner Corp
Application granted granted Critical
Publication of CA1017413A publication Critical patent/CA1017413A/fr
Expired 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
    • A61B5/026—Measuring blood flow
    • 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
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Artificial Intelligence (AREA)
  • Psychiatry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring Volume Flow (AREA)
CA187,657A 1972-12-08 1973-12-07 Plethysmographe a impedance relie a un organe auxiliaire de mesure de debit et methode connexe Expired CA1017413A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00313399A US3835839A (en) 1972-12-08 1972-12-08 Impedance plethysmograph and flow rate computer adjunct and method for use therewith

Publications (1)

Publication Number Publication Date
CA1017413A true CA1017413A (fr) 1977-09-13

Family

ID=23215545

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,657A Expired CA1017413A (fr) 1972-12-08 1973-12-07 Plethysmographe a impedance relie a un organe auxiliaire de mesure de debit et methode connexe

Country Status (9)

Country Link
US (1) US3835839A (fr)
JP (1) JPS49103659A (fr)
AU (1) AU474691B2 (fr)
CA (1) CA1017413A (fr)
FR (1) FR2209535B1 (fr)
GB (1) GB1423890A (fr)
IT (1) IT1012537B (fr)
NL (1) NL166392C (fr)
SE (1) SE395358B (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3996925A (en) * 1975-05-05 1976-12-14 Ljubomir Djordjevich System for determining characteristics of blood flow
US4016868A (en) * 1975-11-25 1977-04-12 Allison Robert D Garment for impedance plethysmograph use
US3994284A (en) * 1975-12-31 1976-11-30 Systron Donner Corporation Flow rate computer adjunct for use with an impedance plethysmograph and method
US4182314A (en) * 1977-07-11 1980-01-08 Boughton Morris W Multi-channel vascular flow monitoring system
JPS5441584A (en) * 1977-09-07 1979-04-02 Asahi Medical Co Human body blood current meter
US4450527A (en) * 1982-06-29 1984-05-22 Bomed Medical Mfg. Ltd. Noninvasive continuous cardiac output monitor
US4527240A (en) * 1982-12-29 1985-07-02 Kvitash Vadim I Balascopy method for detecting and rapidly evaluating multiple imbalances within multi-parametric systems
JPS6015240A (ja) * 1983-07-04 1985-01-25 Nippon Soken Inc シートベルト装置
US4548211A (en) * 1984-01-12 1985-10-22 Marks Lloyd A Computer assisted admittance plethysmograph
US4676253A (en) * 1985-07-18 1987-06-30 Doll Medical Research, Inc. Method and apparatus for noninvasive determination of cardiac output
US4733670A (en) * 1985-10-11 1988-03-29 The Kendall Company Device for cardiac output monitoring
US4807638A (en) * 1987-10-21 1989-02-28 Bomed Medical Manufacturing, Ltd. Noninvasive continuous mean arterial blood prssure monitor
US5178154A (en) * 1990-09-18 1993-01-12 Sorba Medical Systems, Inc. Impedance cardiograph and method of operation utilizing peak aligned ensemble averaging
US5642734A (en) * 1990-10-04 1997-07-01 Microcor, Inc. Method and apparatus for noninvasively determining hematocrit
US5526808A (en) * 1990-10-04 1996-06-18 Microcor, Inc. Method and apparatus for noninvasively determining hematocrit
US5309917A (en) * 1991-09-12 1994-05-10 Drexel University System and method of impedance cardiography and heartbeat determination
US5423326A (en) * 1991-09-12 1995-06-13 Drexel University Apparatus and method for measuring cardiac output
JP3856477B2 (ja) * 1996-10-24 2006-12-13 マサチューセッツ・インスティテュート・オブ・テクノロジー 患者監視指輪センサ
US6986744B1 (en) 1999-02-02 2006-01-17 Transonic Systems, Inc. Method and apparatus for determining blood flow during a vascular corrective procedure
US6402690B1 (en) 1999-04-23 2002-06-11 Massachusetts Institute Of Technology Isolating ring sensor design
US6699199B2 (en) 2000-04-18 2004-03-02 Massachusetts Institute Of Technology Photoplethysmograph signal-to-noise line enhancement
US7998080B2 (en) * 2002-01-15 2011-08-16 Orsan Medical Technologies Ltd. Method for monitoring blood flow to brain
WO2004054440A1 (fr) 2002-12-13 2004-07-01 Massachusetts Institute Of Technology Capteur d'oxymetrie veineuse et arterielle vibratoire
CA2583526A1 (fr) * 2004-03-24 2005-10-13 Noninvasive Medical Technologies, Llc Moniteur de l'impedance thoracique et reseau d'electrodes et procede d'utilisation
GB2477761A (en) * 2010-02-11 2011-08-17 Lidco Group Plc Hemodynamic monitor determining cardiac stroke volume
US9345411B2 (en) 2011-02-09 2016-05-24 Orsan Medical Technologies, Ltd. Devices and methods for monitoring cerebral hemodynamic conditions
US10231635B1 (en) 2015-08-26 2019-03-19 Lloyd A. Marks Impedance plethysmograph using concurrent processing

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2700135A (en) * 1944-08-25 1955-01-18 Walter E Tolles Product-taking system
US3167649A (en) * 1961-05-16 1965-01-26 Robert M Walp Analogue multiplier apparatus
US3433935A (en) * 1963-07-12 1969-03-18 Herbert Sherman Apparatus for computation particularly adapted for producing a measure of transit time and the like
US3340867A (en) * 1964-08-19 1967-09-12 Univ Minnesota Impedance plethysmograph
US3445643A (en) * 1966-09-22 1969-05-20 Fischer & Porter Co Electronic multiplier/divider for fluid flow systems
FR1563125A (fr) * 1968-02-27 1969-04-11
US3572317A (en) * 1968-10-02 1971-03-23 Hoffmann La Roche Respiratory distress monitor
US3651318A (en) * 1970-01-26 1972-03-21 Jan A Czekajewski Cardiac output computer
DE2147368B2 (de) * 1970-09-24 1979-09-20 Codman & Shurtleff, Inc., Randolph, Mass. (V.St.A.) Vorrichtung zur Messung von Änderungen des venösen Blutvolumens
US3730171A (en) * 1971-09-23 1973-05-01 R Namon Impedance related blood flow measuring device

Also Published As

Publication number Publication date
AU474691B2 (en) 1976-07-29
US3835839A (en) 1974-09-17
FR2209535A1 (fr) 1974-07-05
NL7316804A (fr) 1974-06-11
DE2361173A1 (de) 1974-06-27
DE2361173B2 (de) 1976-04-22
GB1423890A (en) 1976-02-04
NL166392C (nl) 1981-08-17
FR2209535B1 (fr) 1976-10-08
AU6310473A (en) 1975-06-05
IT1012537B (it) 1977-03-10
NL166392B (nl) 1981-03-16
SE395358B (sv) 1977-08-15
JPS49103659A (fr) 1974-10-01

Similar Documents

Publication Publication Date Title
CA1017413A (fr) Plethysmographe a impedance relie a un organe auxiliaire de mesure de debit et methode connexe
CA1034207A (fr) Circuit de telesurveillance simultanee de plusieurs malades et de traitement central des renseignements
CA921986A (en) Urological apparatus and method
AU463065B2 (en) Oximeter and method
AU456646B2 (en) Irrigation apparatus and methods
CA1002510A (en) Continuous coring system and apparatus
CA990255A (en) Blood processing apparatus
CA943421A (en) Surgical irrigation apparatus and method of using same
CA931792A (en) Perforator and apparatus for using same
CA986408A (en) Process and arrangement for cooling fluids
AU447194B2 (en) Scrubbing apparatus and method
CA947013A (en) Fish-beheading and cleaning apparatus
AU4639172A (en) Spray apparatus and pump
CA940661A (en) Cleaning method and apparatus
CA972998A (en) Shower apparatus and methods
CA923978A (en) Electroencephalograph apparatus
AU487289B2 (en) Impedance plethysmograph and flow rate computing adjunct and method for use therewith
AU419245B2 (en) Agent and method for processing meat
CA900352A (en) Well completion and apparatus
CA822901A (en) Cryosurgical apparatus
AU420158B2 (en) Blood cleaning method and device
AU5406673A (en) Liquid molasses-containing product and method
CA830796A (en) Method and apparatus for the use of acrolein
CA961003A (en) Cleaning and plating apparatus
CA880514A (en) Sputtering methods and apparatus