DE69713595D1 - Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz - Google Patents

Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz

Info

Publication number
DE69713595D1
DE69713595D1 DE69713595T DE69713595T DE69713595D1 DE 69713595 D1 DE69713595 D1 DE 69713595D1 DE 69713595 T DE69713595 T DE 69713595T DE 69713595 T DE69713595 T DE 69713595T DE 69713595 D1 DE69713595 D1 DE 69713595D1
Authority
DE
Germany
Prior art keywords
current measurement
methods
cardiac output
measurement analysis
bioelectrical impedance
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.)
Expired - Lifetime
Application number
DE69713595T
Other languages
English (en)
Other versions
DE69713595T2 (de
Inventor
Ascher Shmulewitz
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.)
Conmed Corp
Original Assignee
Imagyn Medical Technologies California 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
Priority claimed from US08/634,758 external-priority patent/US5791349A/en
Application filed by Imagyn Medical Technologies California Inc filed Critical Imagyn Medical Technologies California Inc
Application granted granted Critical
Publication of DE69713595D1 publication Critical patent/DE69713595D1/de
Publication of DE69713595T2 publication Critical patent/DE69713595T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0538Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/02Detecting, 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
    • A61B5/026Measuring blood flow
    • A61B5/0295Measuring 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
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Measuring for diagnostic purposes; Identification of persons
    • A61B5/05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/053Measuring electrical impedance or conductance of a portion of the body
    • A61B5/0535Impedance plethysmography
DE69713595T 1996-04-17 1997-04-17 Vorrichtung zur blutstrommessungsmittelsanalyse der biologischen impedanz Expired - Lifetime DE69713595T2 (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 (2)

Publication Number Publication Date
DE69713595D1 true DE69713595D1 (de) 2002-08-01
DE69713595T2 DE69713595T2 (de) 2002-10-10

Family

ID=27092223

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69713595T Expired - Lifetime DE69713595T2 (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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US5782774A (en) 1998-07-21
ATE219644T1 (de) 2002-07-15
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EP0904012A4 (de) 1999-12-01
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EP0904012B1 (de) 2002-06-26
AU2732397A (en) 1997-11-07

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