DE69333503D1 - Intracorporalen Sonde zur genauen Bestimmung der Geschwindigkeit einer Flüssigkeit, insbesondere des Durchflusses durch die Aorta - Google Patents

Intracorporalen Sonde zur genauen Bestimmung der Geschwindigkeit einer Flüssigkeit, insbesondere des Durchflusses durch die Aorta

Info

Publication number
DE69333503D1
DE69333503D1 DE69333503T DE69333503T DE69333503D1 DE 69333503 D1 DE69333503 D1 DE 69333503D1 DE 69333503 T DE69333503 T DE 69333503T DE 69333503 T DE69333503 T DE 69333503T DE 69333503 D1 DE69333503 D1 DE 69333503D1
Authority
DE
Germany
Prior art keywords
aorta
fluid
speed
flow
wide
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
DE69333503T
Other languages
English (en)
Other versions
DE69333503T2 (de
Inventor
Dominique Cathignol
Bernard Lavandier
Raoul Muchada
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.)
Institut National de la Sante et de la Recherche Medicale INSERM
Original Assignee
Institut National de la Sante et de la Recherche Medicale INSERM
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
Priority claimed from FR9211425A external-priority patent/FR2695999B1/fr
Application filed by Institut National de la Sante et de la Recherche Medicale INSERM filed Critical Institut National de la Sante et de la Recherche Medicale INSERM
Application granted granted Critical
Publication of DE69333503D1 publication Critical patent/DE69333503D1/de
Publication of DE69333503T2 publication Critical patent/DE69333503T2/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
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/06—Measuring blood flow
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/445—Details of catheter construction
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details
    • 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
    • G01F1/66—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/663—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 measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters by measuring Doppler frequency shift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/24—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave
    • G01P5/241—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting acoustical wave by using reflection of acoustical waves, i.e. Doppler-effect

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Hematology (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring Volume Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
DE1993633503 1992-09-21 1993-09-20 Intracorporale sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta Expired - Lifetime DE69333503T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US64900 1987-06-19
FR9211425A FR2695999B1 (fr) 1992-09-21 1992-09-21 Sonde ultrasonore pour déterminer avec précision la vitesse d'un liquide et, en particulier, le débit aortique.
FR9211425 1992-09-21
US6490093A 1993-05-24 1993-05-24

Publications (2)

Publication Number Publication Date
DE69333503D1 true DE69333503D1 (de) 2004-06-09
DE69333503T2 DE69333503T2 (de) 2004-11-18

Family

ID=26229746

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1993633503 Expired - Lifetime DE69333503T2 (de) 1992-09-21 1993-09-20 Intracorporale sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta
DE69327147T Expired - Lifetime DE69327147T2 (de) 1992-09-21 1993-09-20 Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69327147T Expired - Lifetime DE69327147T2 (de) 1992-09-21 1993-09-20 Sonde und Verfahren zur genauen Bestimmung der Geschwindigkeit oder des Durchflusses einer Flüssigkeit

Country Status (4)

Country Link
US (1) US5479928A (de)
EP (2) EP0787977B1 (de)
AT (2) ATE265823T1 (de)
DE (2) DE69333503T2 (de)

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Also Published As

Publication number Publication date
DE69333503T2 (de) 2004-11-18
EP0787977A3 (de) 1998-01-07
EP0787977A2 (de) 1997-08-06
EP0595666A3 (de) 1994-08-10
ATE265823T1 (de) 2004-05-15
US5479928A (en) 1996-01-02
DE69327147T2 (de) 2000-06-15
EP0595666B1 (de) 1999-12-01
EP0595666A2 (de) 1994-05-04
DE69327147D1 (de) 2000-01-05
EP0787977B1 (de) 2004-05-06
ATE187051T1 (de) 1999-12-15

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8328 Change in the person/name/address of the agent

Representative=s name: CBDL PATENTANWAELTE, 47051 DUISBURG