DE69027169T2 - Führungsdraht zum Gebrauch bei der Messung eines Flüssigkeitsstromes in einem Gefäss - Google Patents

Führungsdraht zum Gebrauch bei der Messung eines Flüssigkeitsstromes in einem Gefäss

Info

Publication number
DE69027169T2
DE69027169T2 DE69027169T DE69027169T DE69027169T2 DE 69027169 T2 DE69027169 T2 DE 69027169T2 DE 69027169 T DE69027169 T DE 69027169T DE 69027169 T DE69027169 T DE 69027169T DE 69027169 T2 DE69027169 T2 DE 69027169T2
Authority
DE
Germany
Prior art keywords
tubular member
coil
helical
guide wire
passage
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
DE69027169T
Other languages
English (en)
Other versions
DE69027169D1 (de
Inventor
Jeffrey Jack Christian
Paul Douglas Corl
Jerome Segal
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.)
Philips Image Guided Therapy Corp
Original Assignee
Cardiometrics Inc
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 Cardiometrics Inc filed Critical Cardiometrics Inc
Publication of DE69027169D1 publication Critical patent/DE69027169D1/de
Application granted granted Critical
Publication of DE69027169T2 publication Critical patent/DE69027169T2/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
    • A61B8/06—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
    • A61B8/12—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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • 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
    • 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
    • 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
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/09—Guide wires
    • A61M2025/09175—Guide wires having specific characteristics at the distal tip
DE69027169T 1989-09-22 1990-09-21 Führungsdraht zum Gebrauch bei der Messung eines Flüssigkeitsstromes in einem Gefäss Expired - Lifetime DE69027169T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/411,339 US5105818A (en) 1987-04-10 1989-09-22 Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith

Publications (2)

Publication Number Publication Date
DE69027169D1 DE69027169D1 (de) 1996-07-04
DE69027169T2 true DE69027169T2 (de) 1996-10-02

Family

ID=23628529

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69033354T Expired - Lifetime DE69033354T2 (de) 1989-09-22 1990-09-21 Verbindungskonstruktion für einen medizinischen Führungsdraht
DE69027169T Expired - Lifetime DE69027169T2 (de) 1989-09-22 1990-09-21 Führungsdraht zum Gebrauch bei der Messung eines Flüssigkeitsstromes in einem Gefäss

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69033354T Expired - Lifetime DE69033354T2 (de) 1989-09-22 1990-09-21 Verbindungskonstruktion für einen medizinischen Führungsdraht

Country Status (6)

Country Link
US (1) US5105818A (de)
EP (2) EP0419277B1 (de)
JP (1) JP3190667B2 (de)
AT (2) ATE138548T1 (de)
CA (2) CA2025949C (de)
DE (2) DE69033354T2 (de)

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US8409103B2 (en) 2005-05-06 2013-04-02 Vasonova, Inc. Ultrasound methods of positioning guided vascular access devices in the venous system
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US8075497B2 (en) * 2005-08-25 2011-12-13 Cook Medical Technologies Llc Wire guide having distal coupling tip
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US7758565B2 (en) * 2005-10-18 2010-07-20 Cook Incorporated Identifiable wire guide
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US7811238B2 (en) * 2006-01-13 2010-10-12 Cook Incorporated Wire guide having distal coupling tip
US7798980B2 (en) * 2006-01-31 2010-09-21 Cook Incorporated Wire guide having distal coupling tip for attachment to a previously introduced wire guide
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Also Published As

Publication number Publication date
CA2330649A1 (en) 1991-03-23
EP0709109A3 (de) 1996-05-08
DE69033354D1 (de) 1999-12-16
US5105818A (en) 1992-04-21
EP0709109A2 (de) 1996-05-01
EP0709109B1 (de) 1999-11-10
EP0419277B1 (de) 1996-05-29
ATE186468T1 (de) 1999-11-15
DE69027169D1 (de) 1996-07-04
JPH03205040A (ja) 1991-09-06
DE69033354T2 (de) 2000-06-21
CA2025949C (en) 2001-08-14
CA2025949A1 (en) 1991-03-23
ATE138548T1 (de) 1996-06-15
EP0419277A1 (de) 1991-03-27
JP3190667B2 (ja) 2001-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: VOLCANO CORP., RANCHO CORDOVA, CALIF., US