ATE462352T1 - Verfahren zur erhöhung der genauigkeit eines thermodilutionkatheters - Google Patents

Verfahren zur erhöhung der genauigkeit eines thermodilutionkatheters

Info

Publication number
ATE462352T1
ATE462352T1 AT06119968T AT06119968T ATE462352T1 AT E462352 T1 ATE462352 T1 AT E462352T1 AT 06119968 T AT06119968 T AT 06119968T AT 06119968 T AT06119968 T AT 06119968T AT E462352 T1 ATE462352 T1 AT E462352T1
Authority
AT
Austria
Prior art keywords
blood flow
accuracy
increase
thermodilution catheter
injectate
Prior art date
Application number
AT06119968T
Other languages
English (en)
Inventor
Victor V Kislukhin
Nikolai M Krivitski
Original Assignee
Transonic Systems 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 Transonic Systems Inc filed Critical Transonic Systems Inc
Application granted granted Critical
Publication of ATE462352T1 publication Critical patent/ATE462352T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • 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
    • 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
    • A61B5/6852—Catheters
    • A61B5/6855—Catheters with a distal curved tip

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • External Artificial Organs (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AT06119968T 2002-02-20 2003-02-20 Verfahren zur erhöhung der genauigkeit eines thermodilutionkatheters ATE462352T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/079,006 US6623436B2 (en) 2002-02-20 2002-02-20 Retrograde catheter with reduced injectate induced temperature offset

Publications (1)

Publication Number Publication Date
ATE462352T1 true ATE462352T1 (de) 2010-04-15

Family

ID=27660316

Family Applications (2)

Application Number Title Priority Date Filing Date
AT05110663T ATE390885T1 (de) 2002-02-20 2003-02-20 System zur messung des blutflusses mittels thermodilution
AT06119968T ATE462352T1 (de) 2002-02-20 2003-02-20 Verfahren zur erhöhung der genauigkeit eines thermodilutionkatheters

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT05110663T ATE390885T1 (de) 2002-02-20 2003-02-20 System zur messung des blutflusses mittels thermodilution

Country Status (4)

Country Link
US (3) US6623436B2 (de)
EP (3) EP1738685B1 (de)
AT (2) ATE390885T1 (de)
DE (2) DE60320150T2 (de)

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Publication number Priority date Publication date Assignee Title
US6746408B2 (en) * 2001-05-29 2004-06-08 Transonic Systems Inc. Method of blood flow measurement in arterio-venous hemodialysis shunts by indicator dilution
US6623436B2 (en) * 2002-02-20 2003-09-23 Transonic Systems, Inc. Retrograde catheter with reduced injectate induced temperature offset
US7500949B2 (en) * 2002-03-01 2009-03-10 Medtronic Minimed, Inc. Multilumen catheter
US9283521B2 (en) * 2002-06-14 2016-03-15 Parker-Hannifin Corporation Single-use manifold and sensors for automated, aseptic transfer of solutions in bioprocessing applications
USRE49221E1 (en) * 2002-06-14 2022-09-27 Parker Intangibles, Llc Single-use manifolds for automated, aseptic handling of solutions in bioprocessing applications
US8075540B2 (en) * 2004-11-09 2011-12-13 Hollister Incorporated Bowel management system with physiologic sensors
JP5213252B2 (ja) * 2006-02-27 2013-06-19 エドワーズ ライフサイエンシーズ コーポレイション 一体化したバイオセンサを有するカテーテル
US7643879B2 (en) * 2006-08-24 2010-01-05 Cardiac Pacemakers, Inc. Integrated cardiac rhythm management system with heart valve
DE102007049409C5 (de) * 2007-10-15 2020-04-09 Edwards Lifesciences Iprm Ag Verfahren und Vorrichtung für Indikator-Verdünnungsmessungen
EP3708212B1 (de) * 2012-12-04 2024-05-22 Fisher & Paykel Healthcare Limited Beatmungsschlauch
US11813416B2 (en) 2013-04-25 2023-11-14 Hexacath Catheter systems and methods for performing a destruction of a body obstruction
EP3027108B1 (de) 2013-04-25 2019-07-24 Hexacath Thermodilutionskathetersystem
US9180260B2 (en) 2013-08-30 2015-11-10 Covidien Lp Systems and methods for monitoring an injection procedure
US20150112215A1 (en) * 2013-10-18 2015-04-23 Boston Scientific Scimed, Inc. Catheter systems and methods for determining blood flow rates with acoustic dilution
WO2018005169A1 (en) 2016-06-29 2018-01-04 Theranova, Llc Devices and methods for vascular navigation, assessment and/or diagnosis
WO2018060064A1 (en) 2016-09-28 2018-04-05 Koninklijke Philips N.V. System for determining blood flow
EP3675714B1 (de) * 2017-08-31 2024-03-27 Piccolo Medical, Inc. Vorrichtungen und verfahren zur vaskulären navigation, beurteilung und/oder diagnose
CN110009962B (zh) * 2019-04-16 2023-10-10 西南石油大学 基于运动缩放的血管介入手术训练系统
EP4366611A1 (de) * 2021-07-07 2024-05-15 Medyria AG Sensorkatheter und signalverarbeitung zur beurteilung der blutflussgeschwindigkeit
US20240032812A1 (en) * 2022-07-28 2024-02-01 Transonic Systems Inc. Dilution curve compensation in flow rate calculation

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US1115A (en) * 1839-04-10 Charles button and harrison grey dyar
US3726269A (en) 1971-11-24 1973-04-10 W Webster Cardiovascular catheter for thermal dilution measurement
US3987788A (en) * 1975-07-09 1976-10-26 American Hospital Supply Corporation System for computing cardiac flow rates from thermodilution measurements
US4153048A (en) * 1977-09-14 1979-05-08 Cleveland Clinic Foundation Thermodilution catheter and method
US4796640A (en) * 1984-01-13 1989-01-10 American Hospital Supply Corporation Apparatus with fast response thermistor
JPS62207435A (ja) * 1986-03-07 1987-09-11 テルモ株式会社 心拍出量測定用カテ−テル
JPH02112757A (ja) 1988-10-21 1990-04-25 Babcock Hitachi Kk 配管内の粉粒体濃度計測装置
EP0417781B1 (de) * 1989-09-14 1995-03-08 Terumo Kabushiki Kaisha Katheter zur Messung des Herzausstosses
JPH04194663A (ja) 1990-11-28 1992-07-14 Toshiba Corp 超音波式流量濃度測定装置
US5271410A (en) * 1991-04-01 1993-12-21 Baxter International Inc. Catheter with rapid response thermistor and method
US5682899A (en) * 1991-05-16 1997-11-04 Ami-Med Corporation Apparatus and method for continuous cardiac output monitoring
US5246016A (en) 1991-11-08 1993-09-21 Baxter International Inc. Transport catheter and multiple probe analysis method
US6036654A (en) * 1994-09-23 2000-03-14 Baxter International Inc. Multi-lumen, multi-parameter catheter
BE1009291A6 (nl) 1995-04-14 1997-01-07 Billiet Erik Apparaat voor het meten van het bloeddebiet met behulp van een swan-ganz katheter.
SE9600334D0 (sv) * 1996-01-30 1996-01-30 Radi Medical Systems Combined flow, pressure and temperature sensor
US5782811A (en) * 1996-05-30 1998-07-21 Target Therapeutics, Inc. Kink-resistant braided catheter with distal side holes
US5833671A (en) 1996-06-17 1998-11-10 Cardeon Corporation Triple lumen catheter with controllable antegrade and retrograde fluid flow
US6030654A (en) * 1996-09-11 2000-02-29 Church & Dwight Co., Inc. Composition for no fat of reduced fat bakery products
DE19734220C2 (de) * 1997-08-07 2000-01-13 Pulsion Verwaltungs Gmbh & Co Kathetersystem mit einem Einführungsdraht
DE19738942A1 (de) * 1997-09-05 1999-03-25 Pulsion Verwaltungs Gmbh & Co Verfahren und Vorrichtung zur Injektionszeitpunkt- und Injektionsdauerbestimmung bei Thermodilutionsmessungen
US6217527B1 (en) * 1998-09-30 2001-04-17 Lumend, Inc. Methods and apparatus for crossing vascular occlusions
US6081738A (en) 1998-01-15 2000-06-27 Lumend, Inc. Method and apparatus for the guided bypass of coronary occlusions
US6089103A (en) * 1998-05-06 2000-07-18 Radi Medical Systems Ab Method of flow measurements
US6315735B1 (en) 1999-03-31 2001-11-13 Pulsion Medical Systems Ag Devices for in-vivo determination of the compliance function and the systemic blood flow of a living being
US6231498B1 (en) * 1999-06-23 2001-05-15 Pulsion Medical Systems Ag Combined catheter system for IABP and determination of thermodilution cardiac output
SE516215C2 (sv) 1999-07-10 2001-12-03 Argmed Kb Perfusionssystem samt pumpanordning och styrsystem för användning i perfusionssystemet
US6383144B1 (en) * 2000-01-18 2002-05-07 Edwards Lifesciences Corporation Devices and methods for measuring temperature of a patient
US6623436B2 (en) 2002-02-20 2003-09-23 Transonic Systems, Inc. Retrograde catheter with reduced injectate induced temperature offset

Also Published As

Publication number Publication date
EP1338244A1 (de) 2003-08-27
US20120165689A1 (en) 2012-06-28
US20030158491A1 (en) 2003-08-21
US8133185B2 (en) 2012-03-13
ATE390885T1 (de) 2008-04-15
DE60320150D1 (de) 2008-05-15
EP1738685A2 (de) 2007-01-03
EP1738685B1 (de) 2010-03-31
US6623436B2 (en) 2003-09-23
EP1645226A2 (de) 2006-04-12
US20040054293A1 (en) 2004-03-18
EP1645226B1 (de) 2008-04-02
DE60320150T2 (de) 2009-05-20
EP1645226A3 (de) 2006-05-03
EP1738685A3 (de) 2007-04-04
DE60331975D1 (de) 2010-05-12

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