ATE187051T1 - Sonde und verfahren zur genauen bestimmung der geschwindigkeit oder des durchflusses einer flüssigkeit - Google Patents

Sonde und verfahren zur genauen bestimmung der geschwindigkeit oder des durchflusses einer flüssigkeit

Info

Publication number
ATE187051T1
ATE187051T1 AT93402283T AT93402283T ATE187051T1 AT E187051 T1 ATE187051 T1 AT E187051T1 AT 93402283 T AT93402283 T AT 93402283T AT 93402283 T AT93402283 T AT 93402283T AT E187051 T1 ATE187051 T1 AT E187051T1
Authority
AT
Austria
Prior art keywords
velocity
wide
transducer
probe
fluid
Prior art date
Application number
AT93402283T
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 ATE187051T1 publication Critical patent/ATE187051T1/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
AT93402283T 1992-09-21 1993-09-20 Sonde und verfahren zur genauen bestimmung der geschwindigkeit oder des durchflusses einer flüssigkeit ATE187051T1 (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
ATE187051T1 true ATE187051T1 (de) 1999-12-15

Family

ID=26229746

Family Applications (2)

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
AT97104304T ATE265823T1 (de) 1992-09-21 1993-09-20 Intracorporalen sonde zur genauen bestimmung der geschwindigkeit einer flüssigkeit, insbesondere des durchflusses durch die aorta

Family Applications After (1)

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

Country Status (4)

Country Link
US (1) US5479928A (de)
EP (2) EP0595666B1 (de)
AT (2) ATE187051T1 (de)
DE (2) DE69327147T2 (de)

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Also Published As

Publication number Publication date
EP0595666B1 (de) 1999-12-01
DE69333503D1 (de) 2004-06-09
ATE265823T1 (de) 2004-05-15
EP0787977A2 (de) 1997-08-06
EP0595666A2 (de) 1994-05-04
EP0787977B1 (de) 2004-05-06
DE69327147T2 (de) 2000-06-15
EP0595666A3 (de) 1994-08-10
DE69333503T2 (de) 2004-11-18
EP0787977A3 (de) 1998-01-07
US5479928A (en) 1996-01-02
DE69327147D1 (de) 2000-01-05

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