CA2025949A1 - Joint construction for a medical guide wire - Google Patents

Joint construction for a medical guide wire

Info

Publication number
CA2025949A1
CA2025949A1 CA002025949A CA2025949A CA2025949A1 CA 2025949 A1 CA2025949 A1 CA 2025949A1 CA 002025949 A CA002025949 A CA 002025949A CA 2025949 A CA2025949 A CA 2025949A CA 2025949 A1 CA2025949 A1 CA 2025949A1
Authority
CA
Canada
Prior art keywords
guide wire
flexible elongate
joint construction
medical guide
coil spring
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.)
Granted
Application number
CA002025949A
Other languages
French (fr)
Other versions
CA2025949C (en
Inventor
Jeffrey Jack Christian
Paul Douglas Corl
Jerome Segal
Ronald G. Williams
Wayne C. Haase
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.)
Cardiometrics Inc
Original Assignee
Jeffrey Jack Christian
Paul Douglas Corl
Jerome Segal
Ronald G. Williams
Wayne C. Haase
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 Jeffrey Jack Christian, Paul Douglas Corl, Jerome Segal, Ronald G. Williams, Wayne C. Haase, Cardiometrics, Inc. filed Critical Jeffrey Jack Christian
Priority to CA002330649A priority Critical patent/CA2330649A1/en
Publication of CA2025949A1 publication Critical patent/CA2025949A1/en
Application granted granted Critical
Publication of CA2025949C publication Critical patent/CA2025949C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

Abstract

A device for use in measuring a characteristic of liquid flow in a vessel includes a flexible elongate tubular element having proximal and distal extremities and having a wall defining a passage extending therethrough. A coil spring carried by the distal extremity of the flexible elongate element has a distal extremity that carries a transducer. Conductive means connected to the transducer extends interiorly of the coil spring and of the passage in the flexible elongate tubular element.
CA002025949A 1989-09-22 1990-09-21 Joint construction for a medical guide wire Expired - Fee Related CA2025949C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002330649A CA2330649A1 (en) 1989-09-22 1990-09-21 Apparatus, system and method for measuring volumetric flow of blood in a vessel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US411,339 1989-09-22
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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA002330649A Division CA2330649A1 (en) 1989-09-22 1990-09-21 Apparatus, system and method for measuring volumetric flow of blood in a vessel

Publications (2)

Publication Number Publication Date
CA2025949A1 true CA2025949A1 (en) 1991-03-23
CA2025949C CA2025949C (en) 2001-08-14

Family

ID=23628529

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002330649A Abandoned CA2330649A1 (en) 1989-09-22 1990-09-21 Apparatus, system and method for measuring volumetric flow of blood in a vessel
CA002025949A Expired - Fee Related CA2025949C (en) 1989-09-22 1990-09-21 Joint construction for a medical guide wire

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002330649A Abandoned CA2330649A1 (en) 1989-09-22 1990-09-21 Apparatus, system and method for measuring volumetric flow of blood in a vessel

Country Status (6)

Country Link
US (1) US5105818A (en)
EP (2) EP0709109B1 (en)
JP (1) JP3190667B2 (en)
AT (2) ATE186468T1 (en)
CA (2) CA2330649A1 (en)
DE (2) DE69027169T2 (en)

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US7134994B2 (en) * 2002-05-20 2006-11-14 Volcano Corporation Multipurpose host system for invasive cardiovascular diagnostic measurement acquisition and display
US20080287939A1 (en) * 2002-07-10 2008-11-20 Appling William M Endovascular thermal treatment device with flexible guide tip and method
US20040225232A1 (en) * 2003-05-09 2004-11-11 Radi Medical Systems Ab Sensor guide wire
US7931603B2 (en) * 2003-11-21 2011-04-26 Radi Medical Systems Ab Sensor and guide wire assembly
US7237313B2 (en) * 2003-12-05 2007-07-03 Boston Scientific Scimed, Inc. Elongated medical device for intracorporal use
US8277386B2 (en) * 2004-09-27 2012-10-02 Volcano Corporation Combination sensor guidewire and methods of use
US8057834B2 (en) * 2004-10-14 2011-11-15 Kwitek Benjamin J Portable cinnamon roll and method for making
US20060116602A1 (en) * 2004-12-01 2006-06-01 Alden Dana A Medical sensing device and system
US20090118612A1 (en) 2005-05-06 2009-05-07 Sorin Grunwald Apparatus and Method for Vascular Access
US9198600B2 (en) * 2005-05-06 2015-12-01 Vasonova, Inc. Endovascular access and guidance system utilizing divergent beam ultrasound
US8075497B2 (en) * 2005-08-25 2011-12-13 Cook Medical Technologies Llc Wire guide having distal coupling tip
US9005138B2 (en) * 2005-08-25 2015-04-14 Cook Medical Technologies Llc Wire guide having distal coupling tip
US7758565B2 (en) * 2005-10-18 2010-07-20 Cook Incorporated Identifiable wire guide
US8137291B2 (en) * 2005-10-27 2012-03-20 Cook Medical Technologies Llc Wire guide having distal coupling tip
US7731693B2 (en) * 2005-10-27 2010-06-08 Cook Incorporated Coupling wire guide
US7811238B2 (en) * 2006-01-13 2010-10-12 Cook Incorporated Wire guide having distal coupling tip
US7785275B2 (en) * 2006-01-31 2010-08-31 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
US20070191790A1 (en) * 2006-02-16 2007-08-16 Cook Incorporated Wire guide having distal coupling tip
US8133190B2 (en) * 2006-06-22 2012-03-13 Cook Medical Technologies Llc Weldable wire guide with distal coupling tip
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US10888232B2 (en) 2011-08-20 2021-01-12 Philips Image Guided Therapy Corporation Devices, systems, and methods for assessing a vessel
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EP3102098B1 (en) * 2014-02-03 2022-06-22 Philips Image Guided Therapy Corporation Intravascular devices, systems, and methods having a core wire with embedded conductors
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Also Published As

Publication number Publication date
CA2330649A1 (en) 1991-03-23
US5105818A (en) 1992-04-21
EP0419277A1 (en) 1991-03-27
ATE138548T1 (en) 1996-06-15
JP3190667B2 (en) 2001-07-23
EP0709109A3 (en) 1996-05-08
DE69033354T2 (en) 2000-06-21
EP0419277B1 (en) 1996-05-29
ATE186468T1 (en) 1999-11-15
JPH03205040A (en) 1991-09-06
DE69027169T2 (en) 1996-10-02
CA2025949C (en) 2001-08-14
DE69027169D1 (en) 1996-07-04
EP0709109A2 (en) 1996-05-01
DE69033354D1 (en) 1999-12-16
EP0709109B1 (en) 1999-11-10

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