DE69302875D1 - Physiologische überwachungseinrichtung mit mehreren frequenzen arbeitendes impedanzmessungssystem für überwachung von dem befinden eines geweben eines patienten - Google Patents

Physiologische überwachungseinrichtung mit mehreren frequenzen arbeitendes impedanzmessungssystem für überwachung von dem befinden eines geweben eines patienten

Info

Publication number
DE69302875D1
DE69302875D1 DE69302875T DE69302875T DE69302875D1 DE 69302875 D1 DE69302875 D1 DE 69302875D1 DE 69302875 T DE69302875 T DE 69302875T DE 69302875 T DE69302875 T DE 69302875T DE 69302875 D1 DE69302875 D1 DE 69302875D1
Authority
DE
Germany
Prior art keywords
monitoring
patient
measuring system
impedance measuring
fabric tissue
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 - Fee Related
Application number
DE69302875T
Other languages
English (en)
Other versions
DE69302875T2 (de
Inventor
Terrence Hudrlik
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.)
Medtronic Inc
Original Assignee
Medtronic 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25326977&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69302875(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Medtronic Inc filed Critical Medtronic Inc
Application granted granted Critical
Publication of DE69302875D1 publication Critical patent/DE69302875D1/de
Publication of DE69302875T2 publication Critical patent/DE69302875T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A61B5/05—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/365—Heart stimulators controlled by a physiological parameter, e.g. heart potential
    • A61N1/36514—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure
    • A61N1/36521—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure the parameter being derived from measurement of an electrical impedance

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Physiology (AREA)
  • Hematology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Electrotherapy Devices (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
DE69302875T 1992-03-26 1993-03-10 Physiologische überwachungseinrichtung mit mehreren frequenzen arbeitendes impedanzmessungssystem für überwachung von dem befinden eines geweben eines patienten Expired - Fee Related DE69302875T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/857,896 US5282840A (en) 1992-03-26 1992-03-26 Multiple frequency impedance measurement system
PCT/US1993/002109 WO1993018821A1 (en) 1992-03-26 1993-03-10 Multiple frequency impedance measurement for physiological monitoring of the condition of a patient's body tissue

Publications (2)

Publication Number Publication Date
DE69302875D1 true DE69302875D1 (de) 1996-07-04
DE69302875T2 DE69302875T2 (de) 1997-01-16

Family

ID=25326977

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69302875T Expired - Fee Related DE69302875T2 (de) 1992-03-26 1993-03-10 Physiologische überwachungseinrichtung mit mehreren frequenzen arbeitendes impedanzmessungssystem für überwachung von dem befinden eines geweben eines patienten

Country Status (7)

Country Link
US (1) US5282840A (de)
EP (1) EP0586664B1 (de)
JP (1) JPH06508289A (de)
AU (1) AU650815B2 (de)
CA (1) CA2102906A1 (de)
DE (1) DE69302875T2 (de)
WO (1) WO1993018821A1 (de)

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EP0586664A1 (de) 1994-03-16
WO1993018821A1 (en) 1993-09-30
DE69302875T2 (de) 1997-01-16
JPH06508289A (ja) 1994-09-22
EP0586664B1 (de) 1996-05-29
CA2102906A1 (en) 1993-09-27
US5282840A (en) 1994-02-01

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