FR2411392A1 - Debimetre electronique notamment pour la mesure de debit sanguin - Google Patents

Debimetre electronique notamment pour la mesure de debit sanguin

Info

Publication number
FR2411392A1
FR2411392A1 FR7737275A FR7737275A FR2411392A1 FR 2411392 A1 FR2411392 A1 FR 2411392A1 FR 7737275 A FR7737275 A FR 7737275A FR 7737275 A FR7737275 A FR 7737275A FR 2411392 A1 FR2411392 A1 FR 2411392A1
Authority
FR
France
Prior art keywords
electronic
sensor
needle
electronic circuit
rear part
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
FR7737275A
Other languages
English (en)
Other versions
FR2411392B1 (fr
Inventor
Derek Holding
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.)
Ebauches SA
FRANCE EBAUCHES SA
Original Assignee
Ebauches SA
FRANCE EBAUCHES SA
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 Ebauches SA, FRANCE EBAUCHES SA filed Critical Ebauches SA
Priority to FR7737275A priority Critical patent/FR2411392A1/fr
Publication of FR2411392A1 publication Critical patent/FR2411392A1/fr
Application granted granted Critical
Publication of FR2411392B1 publication Critical patent/FR2411392B1/fr
Granted 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
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • 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
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/684—Structural arrangements; Mounting of elements, e.g. in relation to fluid 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
    • G01F1/68—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using thermal effects
    • G01F1/696—Circuits therefor, e.g. constant-current flow meters
    • G01F1/698—Feedback or rebalancing circuits, e.g. self heated constant temperature flowmeters

Landscapes

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

Abstract

L'INVENTION CONCERNE UN DEBITMETRE ELECTRONIQUE. LE DEBITMETRE COMPREND UNE SONDE DE DETECTION DES TRANSFERTS DE CHALEUR PAR CONVECTION A L'INTERIEUR D'UN MILIEU AMBIANT RELIE A UN CIRCUIT ELECTRONIQUE DE MESURE DES VARIATIONS DE TEMPERATURE RELEVEES. CETTE SONDE COMPORTE UNE PREMIERE AIGUILLE 2, DITE DE REFERENCE, UNIE A SA PARTIE ARRIERE D'UN CAPTEUR 5, ET UNE SECONDE AIGUILLE 3 CHAUFFEE ET MUNIE A SA PARTIE ARRIERE D'UN CAPTEUR 7 ET D'UN TRANSISTOR DE CHAUFFAGE 6, CES TROIS ELEMENTS EQUIPANT LES PARTIES ARRIERES DES DEUX AIGUILLES PRECITEES ETANT LOGES A L'INTERIEUR D'UN BOITIER 4 ET RELIES ELECTRIQUEMENT AU CIRCUIT ELECTRONIQUE PAR L'INTERMEDIAIRE D'UN CONNECTEUR 8 ET D'UN CABLE 9. APPLICATION A LA MESURE DE DEBITS SANGUINS TISSULAIRES, NOTAMMENT EN OBSTETRIQUE.
FR7737275A 1977-12-09 1977-12-09 Debimetre electronique notamment pour la mesure de debit sanguin Granted FR2411392A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7737275A FR2411392A1 (fr) 1977-12-09 1977-12-09 Debimetre electronique notamment pour la mesure de debit sanguin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7737275A FR2411392A1 (fr) 1977-12-09 1977-12-09 Debimetre electronique notamment pour la mesure de debit sanguin

Publications (2)

Publication Number Publication Date
FR2411392A1 true FR2411392A1 (fr) 1979-07-06
FR2411392B1 FR2411392B1 (fr) 1980-10-17

Family

ID=9198698

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7737275A Granted FR2411392A1 (fr) 1977-12-09 1977-12-09 Debimetre electronique notamment pour la mesure de debit sanguin

Country Status (1)

Country Link
FR (1) FR2411392A1 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213902A1 (de) * 1982-04-15 1983-10-27 Eckart Dr.Rer.Nat. 2300 Kiel Hiss Messfuehler
DE3222046A1 (de) * 1982-06-11 1983-12-15 Günther Dipl.-Ing. 2201 Kollmar Weber Fuehlerelement fuer kalorimetrische stroemungswaechter
EP0180974A1 (fr) * 1984-11-06 1986-05-14 Walter Bürkle Procédé et dispositif de mesure de vitesses de courant et/ou de débits
DE3713981A1 (de) * 1987-04-27 1988-11-17 Robert Buck Waermeuebergangsmessgeraet, insbesondere stroemungswaechter
DE3825059C1 (en) * 1987-04-27 1989-08-24 Robert 7992 Tettnang De Buck Heat transfer measuring unit, in particular a flow monitor
WO1991017703A1 (fr) * 1990-05-19 1991-11-28 Cpec Corporation Appareil et procede de surveillance de debit cardiaque
US5205293A (en) * 1991-10-30 1993-04-27 Koichi Sakurai Method of measuring surface blood flow
US5509424A (en) * 1994-01-28 1996-04-23 Aws Salim Nashef Continuous cardiac output monitoring system
WO1996031759A2 (fr) * 1995-04-03 1996-10-10 Ifm Electronic Gmbh Appareil de controle et/ou de mesure de transfert de chaleur
US5682899A (en) * 1991-05-16 1997-11-04 Ami-Med Corporation Apparatus and method for continuous cardiac output monitoring
US6913576B2 (en) 1993-08-13 2005-07-05 Thermal Technologies, Inc. Method for measuring blood flow
DE102014115305A1 (de) * 2014-10-21 2016-04-21 Endress+Hauser Flowtec Ag Thermisches Durchflussmessgerät

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3213902A1 (de) * 1982-04-15 1983-10-27 Eckart Dr.Rer.Nat. 2300 Kiel Hiss Messfuehler
DE3222046A1 (de) * 1982-06-11 1983-12-15 Günther Dipl.-Ing. 2201 Kollmar Weber Fuehlerelement fuer kalorimetrische stroemungswaechter
EP0180974A1 (fr) * 1984-11-06 1986-05-14 Walter Bürkle Procédé et dispositif de mesure de vitesses de courant et/ou de débits
DE3713981A1 (de) * 1987-04-27 1988-11-17 Robert Buck Waermeuebergangsmessgeraet, insbesondere stroemungswaechter
DE3825059C1 (en) * 1987-04-27 1989-08-24 Robert 7992 Tettnang De Buck Heat transfer measuring unit, in particular a flow monitor
WO1991017703A1 (fr) * 1990-05-19 1991-11-28 Cpec Corporation Appareil et procede de surveillance de debit cardiaque
US5682899A (en) * 1991-05-16 1997-11-04 Ami-Med Corporation Apparatus and method for continuous cardiac output monitoring
US5205293A (en) * 1991-10-30 1993-04-27 Koichi Sakurai Method of measuring surface blood flow
US6913576B2 (en) 1993-08-13 2005-07-05 Thermal Technologies, Inc. Method for measuring blood flow
US5509424A (en) * 1994-01-28 1996-04-23 Aws Salim Nashef Continuous cardiac output monitoring system
WO1996031759A2 (fr) * 1995-04-03 1996-10-10 Ifm Electronic Gmbh Appareil de controle et/ou de mesure de transfert de chaleur
WO1996031759A3 (fr) * 1995-04-03 1996-11-07 Ifm Electronic Gmbh Appareil de controle et/ou de mesure de transfert de chaleur
US5848094A (en) * 1995-04-03 1998-12-08 I F M Electronic Gmbh Heat transmission monitoring and/or measuring apparatus
DE19512111C2 (de) * 1995-04-03 1999-01-07 Ifm Electronic Gmbh Wärmeübergangskontroll- und/oder -meßgerät
DE19512111A1 (de) * 1995-04-03 1996-10-10 Ifm Electronic Gmbh Wärmeübergangskontroll- und/oder -meßgerät
DE102014115305A1 (de) * 2014-10-21 2016-04-21 Endress+Hauser Flowtec Ag Thermisches Durchflussmessgerät

Also Published As

Publication number Publication date
FR2411392B1 (fr) 1980-10-17

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