ATE265823T1 - 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
ATE265823T1
ATE265823T1 AT97104304T AT97104304T ATE265823T1 AT E265823 T1 ATE265823 T1 AT E265823T1 AT 97104304 T AT97104304 T AT 97104304T AT 97104304 T AT97104304 T AT 97104304T AT E265823 T1 ATE265823 T1 AT E265823T1
Authority
AT
Austria
Prior art keywords
velocity
aorta
fluid
flow
accurate determination
Prior art date
Application number
AT97104304T
Other languages
English (en)
Inventor
Dominique Cathignol
Bernard Lavandier
Raoul Muchada
Original Assignee
Inst Nat Sante Rech Med
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 Inst Nat Sante Rech Med filed Critical Inst Nat Sante Rech Med
Application granted granted Critical
Publication of ATE265823T1 publication Critical patent/ATE265823T1/de

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)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)
AT97104304T 1992-09-21 1993-09-20 Intracorporalen sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta ATE265823T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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.
US6490093A 1993-05-24 1993-05-24

Publications (1)

Publication Number Publication Date
ATE265823T1 true ATE265823T1 (de) 2004-05-15

Family

ID=26229746

Family Applications (2)

Application Number Title Priority Date Filing Date
AT97104304T ATE265823T1 (de) 1992-09-21 1993-09-20 Intracorporalen sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta
AT93402283T ATE187051T1 (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
AT93402283T ATE187051T1 (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) DE69327147T2 (de)

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Also Published As

Publication number Publication date
EP0787977A3 (de) 1998-01-07
EP0787977A2 (de) 1997-08-06
EP0595666A3 (de) 1994-08-10
DE69327147D1 (de) 2000-01-05
DE69327147T2 (de) 2000-06-15
DE69333503D1 (de) 2004-06-09
EP0787977B1 (de) 2004-05-06
EP0595666B1 (de) 1999-12-01
US5479928A (en) 1996-01-02
ATE187051T1 (de) 1999-12-15
EP0595666A2 (de) 1994-05-04
DE69333503T2 (de) 2004-11-18

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