DE69902250T2 - Durchflussmessvorrichtung - Google Patents

Durchflussmessvorrichtung

Info

Publication number
DE69902250T2
DE69902250T2 DE69902250T DE69902250T DE69902250T2 DE 69902250 T2 DE69902250 T2 DE 69902250T2 DE 69902250 T DE69902250 T DE 69902250T DE 69902250 T DE69902250 T DE 69902250T DE 69902250 T2 DE69902250 T2 DE 69902250T2
Authority
DE
Germany
Prior art keywords
measuring device
flow measuring
flow
measuring
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 - Fee Related
Application number
DE69902250T
Other languages
English (en)
Other versions
DE69902250D1 (de
Inventor
Gilles Bos
Didier Ducournau
Guy Vitally
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.)
Corneal Industrie SA
Original Assignee
Corneal Industrie 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 Corneal Industrie SA filed Critical Corneal Industrie SA
Application granted granted Critical
Publication of DE69902250D1 publication Critical patent/DE69902250D1/de
Publication of DE69902250T2 publication Critical patent/DE69902250T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01F1/05—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 mechanical effects
    • G01F1/34—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 mechanical effects by measuring pressure or differential pressure
    • G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/40—Details of construction of the flow constriction devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
    • A61M1/71—Suction drainage systems
    • A61M1/77—Suction-irrigation systems
    • A61M1/777—Determination of loss or gain of body fluids due to suction-irrigation, e.g. during surgery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/33—Controlling, regulating or measuring
    • A61M2205/3331—Pressure; Flow
    • A61M2205/3334—Measuring or controlling the flow rate

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pulmonology (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Surgery (AREA)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
  • External Artificial Organs (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
DE69902250T 1998-04-24 1999-04-22 Durchflussmessvorrichtung Expired - Fee Related DE69902250T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9805189A FR2777992B1 (fr) 1998-04-24 1998-04-24 Dispositif de mesure de debit
PCT/FR1999/000956 WO1999056090A1 (fr) 1998-04-24 1999-04-22 Dispositif de mesure de debit

Publications (2)

Publication Number Publication Date
DE69902250D1 DE69902250D1 (de) 2002-08-29
DE69902250T2 true DE69902250T2 (de) 2002-12-12

Family

ID=9525659

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69902250T Expired - Fee Related DE69902250T2 (de) 1998-04-24 1999-04-22 Durchflussmessvorrichtung

Country Status (7)

Country Link
EP (1) EP1073884B1 (de)
JP (1) JP2002513140A (de)
CA (1) CA2330068A1 (de)
DE (1) DE69902250T2 (de)
ES (1) ES2180292T3 (de)
FR (1) FR2777992B1 (de)
WO (1) WO1999056090A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011103261A1 (de) * 2011-05-26 2012-11-29 Fresenius Medical Care Deutschland Gmbh Verfahren zum Bestimmen eines Volumenstroms in einer Blutbehandlungsvorrichtung, Recheneinrichtung und Blutbehandlungsvorrichtung
US9295770B2 (en) 2011-05-26 2016-03-29 Fresenius Medical Care Deutschland Gmbh Method for determining a volume flow in a blood treatment apparatus, calculating device and blood treatment apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282465B (zh) * 2022-08-16 2023-10-10 心擎医疗（苏州）股份有限公司 基于血液压力的在线式即时反馈控制的体外式血泵系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2467388A1 (fr) * 1979-10-12 1981-04-17 Thomson Csf Dispositif de mesure de debit d'un fluide et systeme senseur du debit d'air dans un moteur a combustion interne mettant en oeuvre un tel dispositif
DE4308313A1 (de) * 1993-03-16 1994-09-22 Werner Haunold Vorrichtung zur Bestimmung der Durchflußrate eines fluiden Mediums nach dem Differenzdruckprinzip
US5410916A (en) * 1994-06-24 1995-05-02 Honeywell Inc. Flowthrough pressure sensor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011103261A1 (de) * 2011-05-26 2012-11-29 Fresenius Medical Care Deutschland Gmbh Verfahren zum Bestimmen eines Volumenstroms in einer Blutbehandlungsvorrichtung, Recheneinrichtung und Blutbehandlungsvorrichtung
DE102011103261A9 (de) * 2011-05-26 2013-05-08 Fresenius Medical Care Deutschland Gmbh Verfahren zum Bestimmen eines Volumenstroms in einer Blutbehandlungsvorrichtung, Recheneinrichtung und Blutbehandlungsvorrichtung
US9295770B2 (en) 2011-05-26 2016-03-29 Fresenius Medical Care Deutschland Gmbh Method for determining a volume flow in a blood treatment apparatus, calculating device and blood treatment apparatus

Also Published As

Publication number Publication date
JP2002513140A (ja) 2002-05-08
EP1073884A1 (de) 2001-02-07
CA2330068A1 (en) 1999-11-04
ES2180292T3 (es) 2003-02-01
FR2777992A1 (fr) 1999-10-29
EP1073884B1 (de) 2002-07-24
FR2777992B1 (fr) 2000-07-21
WO1999056090A1 (fr) 1999-11-04
DE69902250D1 (de) 2002-08-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee