ATE260068T1 - Vorrichtung zur temperaturdriftkorrektur zur bestimmung des herzschlagvolumens - Google Patents

Vorrichtung zur temperaturdriftkorrektur zur bestimmung des herzschlagvolumens

Info

Publication number
ATE260068T1
ATE260068T1 AT96942883T AT96942883T ATE260068T1 AT E260068 T1 ATE260068 T1 AT E260068T1 AT 96942883 T AT96942883 T AT 96942883T AT 96942883 T AT96942883 T AT 96942883T AT E260068 T1 ATE260068 T1 AT E260068T1
Authority
AT
Austria
Prior art keywords
temperature
signal
heart
blood
thermal drift
Prior art date
Application number
AT96942883T
Other languages
English (en)
Inventor
Timothy J Hughes
Original Assignee
Abbott Lab
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 Abbott Lab filed Critical Abbott Lab
Application granted granted Critical
Publication of ATE260068T1 publication Critical patent/ATE260068T1/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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
    • G01K7/24—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit
    • G01K7/25—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor in a specially-adapted circuit, e.g. bridge circuit for modifying the output characteristic, e.g. linearising
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms
    • A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • General Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nonlinear Science (AREA)
  • Medical Informatics (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
AT96942883T 1995-12-22 1996-12-05 Vorrichtung zur temperaturdriftkorrektur zur bestimmung des herzschlagvolumens ATE260068T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/577,629 US5620002A (en) 1995-12-22 1995-12-22 Method for correcting thermal drift in cardiac output determination
PCT/US1996/019315 WO1997023162A1 (en) 1995-12-22 1996-12-05 Improved method for correcting thermal drift in cardiac output determination

Publications (1)

Publication Number Publication Date
ATE260068T1 true ATE260068T1 (de) 2004-03-15

Family

ID=24309515

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96942883T ATE260068T1 (de) 1995-12-22 1996-12-05 Vorrichtung zur temperaturdriftkorrektur zur bestimmung des herzschlagvolumens

Country Status (8)

Country Link
US (1) US5620002A (de)
EP (1) EP0868145B1 (de)
JP (1) JP3677517B2 (de)
AT (1) ATE260068T1 (de)
AU (1) AU721550B2 (de)
CA (1) CA2240371C (de)
DE (1) DE69631680T2 (de)
WO (1) WO1997023162A1 (de)

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US20060089562A1 (en) * 2004-10-22 2006-04-27 Gould D A Modified hickman-type catheter with embedded thermistor
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WO2007087311A2 (en) * 2006-01-25 2007-08-02 The Trustees Of Columbia University In The City Of New York Systems and methods for determining a cardiovascular parameter using temperature sensitive magnetic resonance imaging
US8855761B2 (en) * 2008-07-10 2014-10-07 Texas Heart Institute Method and system for temperature analysis to provide an early marker of congestive heart failure progress that precedes a patient's symptoms
WO2010014113A1 (en) * 2008-08-01 2010-02-04 The Trustees Of Columbia University In The City Of New York Systems and methods for determining a temperature differential using temperature sensitive magnetic resonance imaging
US20180214033A1 (en) * 2017-02-02 2018-08-02 Edwards Lifesciences Corporation Hemodynamic monitor providing enhanced cardiac output measurements
JP7414529B2 (ja) 2017-06-07 2024-01-16 シファメド・ホールディングス・エルエルシー 血管内流体移動デバイス、システム、および使用方法
CN111556763B (zh) 2017-11-13 2023-09-01 施菲姆德控股有限责任公司 血管内流体运动装置、系统
EP3746149B1 (de) 2018-02-01 2025-08-06 Shifamed Holdings, LLC Intravaskuläre blutpumpen
WO2020028537A1 (en) 2018-07-31 2020-02-06 Shifamed Holdings, Llc Intravascaular blood pumps and methods of use
WO2020073047A1 (en) 2018-10-05 2020-04-09 Shifamed Holdings, Llc Intravascular blood pumps and methods of use
WO2021011473A1 (en) 2019-07-12 2021-01-21 Shifamed Holdings, Llc Intravascular blood pumps and methods of manufacture and use
WO2021016372A1 (en) 2019-07-22 2021-01-28 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
US12465748B2 (en) 2019-08-07 2025-11-11 Supira Medical, Inc. Catheter blood pumps and collapsible pump housings
US12121713B2 (en) 2019-09-25 2024-10-22 Shifamed Holdings, Llc Catheter blood pumps and collapsible blood conduits
WO2021062265A1 (en) 2019-09-25 2021-04-01 Shifamed Holdings, Llc Intravascular blood pump systems and methods of use and control thereof
EP4501393A3 (de) 2019-09-25 2025-04-09 Shifamed Holdings, LLC Katheterblutpumpen und zusammenklappbare pumpengehäuse
EP4072650A4 (de) 2019-12-11 2024-01-10 Shifamed Holdings, LLC Absteigende aorten- und hohlvenenblutpumpen

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Also Published As

Publication number Publication date
JP2001511021A (ja) 2001-08-07
DE69631680D1 (de) 2004-04-01
AU1146297A (en) 1997-07-17
EP0868145A1 (de) 1998-10-07
DE69631680T2 (de) 2005-01-05
US5620002A (en) 1997-04-15
JP3677517B2 (ja) 2005-08-03
CA2240371C (en) 2005-02-15
EP0868145B1 (de) 2004-02-25
WO1997023162A1 (en) 1997-07-03
AU721550B2 (en) 2000-07-06
CA2240371A1 (en) 1997-07-03

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