DE3483626D1 - Durchflussmessverfahren und -vorrichtung. - Google Patents

Durchflussmessverfahren und -vorrichtung.

Info

Publication number
DE3483626D1
DE3483626D1 DE8484104121T DE3483626T DE3483626D1 DE 3483626 D1 DE3483626 D1 DE 3483626D1 DE 8484104121 T DE8484104121 T DE 8484104121T DE 3483626 T DE3483626 T DE 3483626T DE 3483626 D1 DE3483626 D1 DE 3483626D1
Authority
DE
Germany
Prior art keywords
measurement method
flow measurement
flow
measurement
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 - Lifetime
Application number
DE8484104121T
Other languages
English (en)
Inventor
Mark L Yelderman
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.)
Leland Stanford Junior University
Original Assignee
Leland Stanford Junior University
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 Leland Stanford Junior University filed Critical Leland Stanford Junior University
Application granted granted Critical
Publication of DE3483626D1 publication Critical patent/DE3483626D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/704—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow using marked regions or existing inhomogeneities within the fluid stream, e.g. statistically occurring variations in a fluid parameter
    • G01F1/708—Measuring the time taken to traverse a fixed distance
    • G01F1/712—Measuring the time taken to traverse a fixed distance using auto-correlation or cross-correlation detection means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Medical Informatics (AREA)
  • Physiology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring Volume Flow (AREA)
DE8484104121T 1983-04-21 1984-04-12 Durchflussmessverfahren und -vorrichtung. Expired - Lifetime DE3483626D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/487,334 US4507974A (en) 1983-04-21 1983-04-21 Method and apparatus for measuring flow

Publications (1)

Publication Number Publication Date
DE3483626D1 true DE3483626D1 (de) 1991-01-03

Family

ID=23935317

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484104121T Expired - Lifetime DE3483626D1 (de) 1983-04-21 1984-04-12 Durchflussmessverfahren und -vorrichtung.

Country Status (5)

Country Link
US (1) US4507974A (de)
EP (1) EP0126931B1 (de)
JP (1) JPS6034430A (de)
CA (1) CA1210509A (de)
DE (1) DE3483626D1 (de)

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DE3725312A1 (de) * 1987-07-30 1989-02-09 Jiri Hokynar Steuergeraet fuer fluidfluss
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US5553622A (en) * 1991-01-29 1996-09-10 Mckown; Russell C. System and method for controlling the temperature of a catheter-mounted heater
US6387052B1 (en) 1991-01-29 2002-05-14 Edwards Lifesciences Corporation Thermodilution catheter having a safe, flexible heating element
WO1992015239A1 (en) * 1991-02-04 1992-09-17 Kensey Nash Corporation Apparatus and method for determining viscosity of the blood of a living being
AU1644792A (en) * 1991-03-04 1992-10-06 Kensey Nash Corporation Apparatus and method for determining in vivo the instantaneous velocity of the flow of blood in a living being
WO1992015240A1 (en) * 1991-03-04 1992-09-17 Kensey Nash Corporation Determining the instantaneous shear stress on the wall of a blood vessel
US5261411A (en) * 1991-12-27 1993-11-16 Abbott Laboratories Thermal drift correction while continuously monitoring cardiac output
US5217019A (en) * 1991-12-27 1993-06-08 Abbott Laboratories Apparatus and method for continuously monitoring cardiac output
US5305760A (en) * 1992-02-07 1994-04-26 Interflo Medical Inc. Method for rejecting electrical interference from physiological measurements
US5357967A (en) * 1993-06-04 1994-10-25 Baxter International Inc. Method and apparatus for measuring flow using frequency-dispersive techniques
US5797398A (en) * 1993-08-13 1998-08-25 Thermal Technologies, Inc. Method and apparatus for measuring continuous blood flow at low power
US5363856A (en) * 1993-08-13 1994-11-15 Abbott Laboratories Correcting thermal drift in cardiac output determination
US5423323A (en) * 1993-08-30 1995-06-13 Rocky Mountain Research, Inc. System for calculating compliance and cardiac hemodynamic parameters
JP2683159B2 (ja) * 1993-12-23 1997-11-26 エンドレス ウント ハウザー フローテック アクチエンゲゼルシャフト クランプオン超音波容積式流量計
US5636638A (en) * 1994-06-29 1997-06-10 Baxter International Inc. Electrical power amplifier for continuous cardiac output monitoring
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US5687733A (en) * 1995-10-26 1997-11-18 Baxter International Inc. System and method for estimating cardiac output
US5620002A (en) * 1995-12-22 1997-04-15 Abbott Critical Care Systems Method for correcting thermal drift in cardiac output determination
US5954659A (en) * 1996-02-16 1999-09-21 Curley; Michael G. Method and apparatus for invasively measuring cardiac output by detecting temperature differences of blood heated by radiation
US5886576A (en) * 1996-10-16 1999-03-23 Baxter International Inc. Electrical power amplifier for continuous cardiac output monitoring
US5928155A (en) * 1997-01-24 1999-07-27 Cardiox Corporation Cardiac output measurement with metabolizable analyte containing fluid
US6169965B1 (en) * 1997-12-31 2001-01-02 Honeywell International Inc. Fluid property and flow sensing via a common frequency generator and FFT
US6223593B1 (en) 1997-12-31 2001-05-01 Honeywell International Inc. Self-oscillating fluid sensor
US6299583B1 (en) 1998-03-17 2001-10-09 Cardiox Corporation Monitoring total circulating blood volume and cardiac output
US6045512A (en) * 1998-06-09 2000-04-04 Baxter International Inc. System and method for continuous estimation and display of cardiac ejection fraction and end diastolic volume
US6393894B1 (en) 1999-07-27 2002-05-28 Honeywell International Inc. Gas sensor with phased heaters for increased sensitivity
ATE227022T1 (de) * 1999-09-27 2002-11-15 Mettler Toledo Gmbh Verfahren und vorrichtung für die thermische analyse eines materials
US6537230B1 (en) 1999-10-28 2003-03-25 Pulsion Medical Systems Ag Apparatus, computer system and computer program for determining a cardio-vascular parameter of a patient
US6371923B1 (en) 1999-12-07 2002-04-16 Edwards Lifesciences Corporation Time-domain system and method for relaxation measurement and estimation of indicator dilution for continuous estimation and display of cardiac ejection fraction and end diastolic volume
US6502459B1 (en) 2000-09-01 2003-01-07 Honeywell International Inc. Microsensor for measuring velocity and angular direction of an incoming air stream
ES2220607T3 (es) 2001-03-01 2004-12-16 Pulsion Medical Systems Ag Aparato, programa informatico y conjunto de cateter venoso central para control hemodinamico.
US6746408B2 (en) * 2001-05-29 2004-06-08 Transonic Systems Inc. Method of blood flow measurement in arterio-venous hemodialysis shunts by indicator dilution
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US7494326B2 (en) * 2003-12-31 2009-02-24 Honeywell International Inc. Micro ion pump
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US20050063865A1 (en) * 2002-09-27 2005-03-24 Ulrich Bonne Phased VII micro fluid analyzer having a modular structure
US7000452B2 (en) * 2002-09-27 2006-02-21 Honeywell International Inc. Phased micro fluid analyzer
US20040224422A1 (en) * 2002-09-27 2004-11-11 Ulrich Bonne Phased micro analyzer III, IIIA
US20040223882A1 (en) * 2002-09-27 2004-11-11 Ulrich Bonne Micro-plasma sensor system
US7367216B2 (en) * 2002-09-27 2008-05-06 Honeywell International Inc. Phased micro analyzer V, VI
US7422562B2 (en) * 2003-12-05 2008-09-09 Edwards Lifesciences Real-time measurement of ventricular stroke volume variations by continuous arterial pulse contour analysis
US7220230B2 (en) * 2003-12-05 2007-05-22 Edwards Lifesciences Corporation Pressure-based system and method for determining cardiac stroke volume
US7452333B2 (en) * 2003-12-05 2008-11-18 Edwards Lifesciences Corporation Arterial pressure-based, automatic determination of a cardiovascular parameter
US9029028B2 (en) 2003-12-29 2015-05-12 Honeywell International Inc. Hydrogen and electrical power generator
US20050142035A1 (en) * 2003-12-31 2005-06-30 Ulrich Bonne Micro-discharge sensor system
US7632235B1 (en) 2004-11-22 2009-12-15 Pacesetter, Inc. System and method for measuring cardiac output via thermal dilution using an implantable medical device with an external ultrasound power delivery system
US7651466B2 (en) 2005-04-13 2010-01-26 Edwards Lifesciences Corporation Pulse contour method and apparatus for continuous assessment of a cardiovascular parameter
US7518380B2 (en) * 2005-05-17 2009-04-14 Honeywell International Inc. Chemical impedance detectors for fluid analyzers
US7578167B2 (en) * 2005-05-17 2009-08-25 Honeywell International Inc. Three-wafer channel structure for a fluid analyzer
WO2007009478A1 (de) * 2005-07-21 2007-01-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Messeinrichtung zum medienunabhängigen messen einer strömungsgeschwindigkeit eines mediums
CA2557380C (en) * 2005-08-27 2012-09-25 Schlumberger Canada Limited Time-of-flight stochastic correlation measurements
US20070167866A1 (en) * 2005-11-29 2007-07-19 Lopez George A Cardiac output measurement devices and methods
US8905939B2 (en) 2006-07-13 2014-12-09 Edwards Lifesciences Corporation Method and apparatus for continuous assessment of a cardiovascular parameter using the arterial pulse pressure propagation time and waveform
JP5141052B2 (ja) 2007-03-08 2013-02-13 日本電気株式会社 電源ノイズ測定回路および測定方法
US8282564B2 (en) 2007-05-16 2012-10-09 Massachusetts Institute Of Technology Systems and methods for model-based estimation of cardiac output and total peripheral resistance
US8262579B2 (en) * 2007-05-16 2012-09-11 Massachusetts Institute Of Technology System and method for prediction and detection of circulatory shock
US8235910B2 (en) * 2007-05-16 2012-08-07 Parlikar Tushar A Systems and methods for model-based estimation of cardiac ejection fraction, cardiac contractility, and ventricular end-diastolic volume
ES2385603T3 (es) * 2007-11-23 2012-07-27 Pulsion Medical Systems Ag Conjunto de sensor venoso central para medir datos fisiológicos para la determinación del gasto cardiaco y procedimiento para determinar el gasto cardiaco
US20090270739A1 (en) * 2008-01-30 2009-10-29 Edwards Lifesciences Corporation Real-time detection of vascular conditions of a subject using arterial pressure waveform analysis
DE102008026708B4 (de) * 2008-06-04 2014-01-23 Iprm Intellectual Property Rights Management Ag Vorrichtung zur Bestimmung des Blutvolumens und/oder Blutvolumenstroms und Verfahren zum Betreiben derselben
JP5850861B2 (ja) 2010-01-29 2016-02-03 エドワーズ ライフサイエンシーズ コーポレイションＥｄｗａｒｄｓ Ｌｉｆｅｓｃｉｅｎｃｅｓ Ｃｏｒｐｏｒａｔｉｏｎ 心血管系パラメータの決定における不規則な心周期の影響の排除
US10610166B2 (en) 2013-07-08 2020-04-07 Edwards Lifesciences Corporation Determination of a hemodynamic parameter
CN108024729B (zh) 2015-09-25 2021-09-21 C·R·巴德股份有限公司 具有监测功能的导管组件
DE102017128576A1 (de) * 2017-12-01 2019-06-06 Ilmsens Gmbh Vorrichtung zur Vitalitätsüberwachung
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US4244026A (en) * 1978-11-06 1981-01-06 General Electric Company Velocity measuring correlation sonar

Also Published As

Publication number Publication date
EP0126931A2 (de) 1984-12-05
CA1210509A (en) 1986-08-26
US4507974A (en) 1985-04-02
JPH0527051B2 (de) 1993-04-20
EP0126931A3 (en) 1986-01-08
EP0126931B1 (de) 1990-11-22
JPS6034430A (ja) 1985-02-22

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Legal Events

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8364 No opposition during term of opposition