AU2002329507A1 - Transmit time thermodilution guidewire system for measuring coronary blood flow velocity background of the invention - Google Patents

Transmit time thermodilution guidewire system for measuring coronary blood flow velocity background of the invention

Info

Publication number
AU2002329507A1
AU2002329507A1 AU2002329507A AU2002329507A AU2002329507A1 AU 2002329507 A1 AU2002329507 A1 AU 2002329507A1 AU 2002329507 A AU2002329507 A AU 2002329507A AU 2002329507 A AU2002329507 A AU 2002329507A AU 2002329507 A1 AU2002329507 A1 AU 2002329507A1
Authority
AU
Australia
Prior art keywords
thermodilution
blood flow
flow velocity
transmit time
coronary blood
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.)
Abandoned
Application number
AU2002329507A
Inventor
Hassan Khalil
Karima H. Khalil
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of AU2002329507A1 publication Critical patent/AU2002329507A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
    • A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
    • A61B5/6851—Guide wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
    • A61B5/026—Measuring blood flow
    • A61B5/0275—Measuring blood flow using tracers, e.g. dye dilution
    • A61B5/028—Measuring blood flow using tracers, e.g. dye dilution by thermo-dilution
    • 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
    • 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
    • A61M2210/00—Anatomical parts of the body
    • A61M2210/12—Blood circulatory system
    • A61M2210/125—Heart

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Pathology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Pulmonology (AREA)
  • Anesthesiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
AU2002329507A 2002-07-17 2002-07-17 Transmit time thermodilution guidewire system for measuring coronary blood flow velocity background of the invention Abandoned AU2002329507A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2002/002692 WO2004007014A1 (en) 2002-07-17 2002-07-17 Transmit time thermodilution guidewire system for measuring coronary blood flow velocity

Publications (1)

Publication Number Publication Date
AU2002329507A1 true AU2002329507A1 (en) 2004-02-02

Family

ID=30011693

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002329507A Abandoned AU2002329507A1 (en) 2002-07-17 2002-07-17 Transmit time thermodilution guidewire system for measuring coronary blood flow velocity background of the invention

Country Status (2)

Country Link
AU (1) AU2002329507A1 (en)
WO (1) WO2004007014A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2361496T3 (en) * 2006-01-30 2011-06-17 Pulsion Medical Systems Ag SYSTEM TO PROVIDE A DILUTION MEASUREMENT POINT.
WO2012164481A1 (en) * 2011-06-01 2012-12-06 Koninklijke Philips Electronics N.V. System for distributed blood flow measurement
US9700215B2 (en) * 2012-10-24 2017-07-11 Makaha Medical, Llc. Systems and methods for assessing vasculature health and blood clots
JP5896479B2 (en) 2013-09-25 2016-03-30 朝日インテック株式会社 Guide wire
JP5904672B2 (en) 2013-09-25 2016-04-20 朝日インテック株式会社 Guide wire
JP5971865B2 (en) * 2013-09-25 2016-08-17 朝日インテック株式会社 Guide wire
US11076808B2 (en) 2016-03-26 2021-08-03 Makaha Medical, LLC Flexible medical device with marker band and sensor
JP7061114B6 (en) * 2016-09-28 2022-06-03 コーニンクレッカ フィリップス エヌ ヴェ Blood flow measurement system
WO2019149954A1 (en) * 2018-02-05 2019-08-08 Medyria Ag Arrangement with catheter and sensor arrangement
GB2577472A (en) * 2018-07-16 2020-04-01 Medsolve Ltd An intracoronary wire, system and method for evaluating intracoronary flow
GB2610076A (en) * 2018-07-16 2023-02-22 Cerebria Ltd An intracoronary wire, system and method for evaluating intracoronary flow

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5174295A (en) * 1987-04-10 1992-12-29 Cardiometrics, Inc. Apparatus, system and method for measuring spatial average velocity and/or volumetric flow of blood in a vessel and screw joint for use therewith
US4744370A (en) * 1987-04-27 1988-05-17 Cordis Leads, Inc. Lead assembly with selectable electrode connection
GB9011259D0 (en) * 1990-05-19 1990-07-11 Nashef Samer A Catheters
US5174299A (en) * 1991-08-12 1992-12-29 Cardiac Pacemakers, Inc. Thermocouple-based blood flow sensor
US5620002A (en) * 1995-12-22 1997-04-15 Abbott Critical Care Systems Method for correcting thermal drift in cardiac output determination
US5893885A (en) * 1996-11-01 1999-04-13 Cordis Webster, Inc. Multi-electrode ablation catheter
US5989192A (en) * 1997-09-25 1999-11-23 Medtronic, Inc. Cardiac flow sensor

Also Published As

Publication number Publication date
WO2004007014A1 (en) 2004-01-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase