ATE219644T1 - Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz - Google Patents

Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz

Info

Publication number
ATE219644T1
ATE219644T1 AT97921222T AT97921222T ATE219644T1 AT E219644 T1 ATE219644 T1 AT E219644T1 AT 97921222 T AT97921222 T AT 97921222T AT 97921222 T AT97921222 T AT 97921222T AT E219644 T1 ATE219644 T1 AT E219644T1
Authority
AT
Austria
Prior art keywords
blood flow
flow measurement
methods
cardiac output
impedance analysis
Prior art date
Application number
AT97921222T
Other languages
English (en)
Inventor
Ascher Shmulewitz
Original Assignee
Imagyn Medical Technologies Ca
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
Priority claimed from US08/634,758 external-priority patent/US5791349A/en
Application filed by Imagyn Medical Technologies Ca filed Critical Imagyn Medical Technologies Ca
Application granted granted Critical
Publication of ATE219644T1 publication Critical patent/ATE219644T1/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
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • 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
    • A61B5/0295—Measuring blood flow using plethysmography, i.e. measuring the variations in the volume of a body part as modified by the circulation of blood therethrough, e.g. impedance plethysmography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/053—Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535—Impedance plethysmography

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Physiology (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
AT97921222T 1996-04-17 1997-04-17 Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz ATE219644T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/634,758 US5791349A (en) 1996-04-17 1996-04-17 Apparatus and method of bioelectrical impedance analysis of blood flow
US08/726,822 US5782774A (en) 1996-04-17 1996-10-04 Apparatus and method of bioelectrical impedance analysis of blood flow
PCT/US1997/006369 WO1997038628A1 (en) 1996-04-17 1997-04-17 Apparatus and methods of bioelectrical impedance analysis of blood flow

Publications (1)

Publication Number Publication Date
ATE219644T1 true ATE219644T1 (de) 2002-07-15

Family

ID=27092223

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97921222T ATE219644T1 (de) 1996-04-17 1997-04-17 Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz

Country Status (7)

Country Link
US (2) US5782774A (de)
EP (1) EP0904012B1 (de)
JP (1) JP4072870B2 (de)
AT (1) ATE219644T1 (de)
AU (1) AU2732397A (de)
DE (1) DE69713595T2 (de)
WO (1) WO1997038628A1 (de)

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US6095987A (en) 2000-08-01
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US5782774A (en) 1998-07-21
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EP0904012B1 (de) 2002-06-26

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