AU781264B2 - Apparatus and methods of bioelectrical impedance analysis of blood flow - Google Patents

Apparatus and methods of bioelectrical impedance analysis of blood flow Download PDF

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Publication number
AU781264B2
AU781264B2 AU19412/01A AU1941201A AU781264B2 AU 781264 B2 AU781264 B2 AU 781264B2 AU 19412/01 A AU19412/01 A AU 19412/01A AU 1941201 A AU1941201 A AU 1941201A AU 781264 B2 AU781264 B2 AU 781264B2
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AU
Australia
Prior art keywords
sense electrodes
orthogonal pairs
patient
cardiac output
tube
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.)
Ceased
Application number
AU19412/01A
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English (en)
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AU1941201A (en
Inventor
Ascher Shmulewitz
Arthur W Wallace
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Conmed Corp
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Imagyn Medical Technologies California Inc
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Publication of AU1941201A publication Critical patent/AU1941201A/en
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Assigned to CONMED CORPORATION reassignment CONMED CORPORATION Alteration of Name(s) in Register under S187 Assignors: IMAGYN MEDICAL TECHNOLOGIES CALIFORNIA, INC.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring blood output from the heart, e.g. minute volume
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Surgery (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (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)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Electrotherapy Devices (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
AU19412/01A 1999-12-08 2000-12-04 Apparatus and methods of bioelectrical impedance analysis of blood flow Ceased AU781264B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/458,186 US6292689B1 (en) 1996-04-17 1999-12-08 Apparatus and methods of bioelectrical impedance analysis of blood flow
US09/458186 1999-12-08
PCT/US2000/032792 WO2001041638A1 (en) 1999-12-08 2000-12-04 Apparatus and methods of bioelectrical impedance analysis of blood flow

Publications (2)

Publication Number Publication Date
AU1941201A AU1941201A (en) 2001-06-18
AU781264B2 true AU781264B2 (en) 2005-05-12

Family

ID=23819721

Family Applications (1)

Application Number Title Priority Date Filing Date
AU19412/01A Ceased AU781264B2 (en) 1999-12-08 2000-12-04 Apparatus and methods of bioelectrical impedance analysis of blood flow

Country Status (6)

Country Link
US (1) US6292689B1 (https=)
EP (1) EP1235514B1 (https=)
JP (1) JP4914551B2 (https=)
AU (1) AU781264B2 (https=)
CA (1) CA2393008A1 (https=)
WO (1) WO2001041638A1 (https=)

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Also Published As

Publication number Publication date
EP1235514B1 (en) 2014-01-15
JP4914551B2 (ja) 2012-04-11
CA2393008A1 (en) 2001-06-14
EP1235514A4 (en) 2007-08-08
AU1941201A (en) 2001-06-18
EP1235514A1 (en) 2002-09-04
JP2003527164A (ja) 2003-09-16
WO2001041638A1 (en) 2001-06-14
US6292689B1 (en) 2001-09-18

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