DE69421816D1 - Bestimmung hämodynamischer parameter mittels eines druckwandlers - Google Patents

Bestimmung hämodynamischer parameter mittels eines druckwandlers

Info

Publication number
DE69421816D1
DE69421816D1 DE69421816T DE69421816T DE69421816D1 DE 69421816 D1 DE69421816 D1 DE 69421816D1 DE 69421816 T DE69421816 T DE 69421816T DE 69421816 T DE69421816 T DE 69421816T DE 69421816 D1 DE69421816 D1 DE 69421816D1
Authority
DE
Germany
Prior art keywords
determination
pressure converter
hemodynamic parameters
hemodynamic
parameters
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
DE69421816T
Other languages
English (en)
Other versions
DE69421816T2 (de
Inventor
James K Carney
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
Application filed by Medtronic Inc filed Critical Medtronic Inc
Publication of DE69421816D1 publication Critical patent/DE69421816D1/de
Application granted granted Critical
Publication of DE69421816T2 publication Critical patent/DE69421816T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A61B5/02—Detecting, 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
    • A61B5/021—Measuring pressure in heart or blood vessels
    • A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
    • 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
    • A61B5/7239—Details of waveform analysis using differentiation including higher order derivatives
    • 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
    • A61N1/36564—Heart stimulators controlled by a physiological parameter, e.g. heart potential controlled by a physiological quantity other than heart potential, e.g. blood pressure controlled by 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
    • A61N1/3627—Heart stimulators for treating a mechanical deficiency of the heart, e.g. congestive heart failure or cardiomyopathy

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
  • Physiology (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Hematology (AREA)
  • Surgery (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Psychiatry (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Artificial Intelligence (AREA)
  • Vascular Medicine (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Measuring Fluid Pressure (AREA)
DE69421816T 1993-08-02 1994-06-21 Bestimmung hämodynamischer parameter mittels eines druckwandlers Expired - Lifetime DE69421816T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/100,881 US5368040A (en) 1993-08-02 1993-08-02 Apparatus and method for determining a plurality of hemodynamic variables from a single, chroniclaly implanted absolute pressure sensor
PCT/US1994/007036 WO1995003737A1 (en) 1993-08-02 1994-06-21 Determining hemodynamic variables from a pressure sensor

Publications (2)

Publication Number Publication Date
DE69421816D1 true DE69421816D1 (de) 1999-12-30
DE69421816T2 DE69421816T2 (de) 2000-05-31

Family

ID=22282010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69421816T Expired - Lifetime DE69421816T2 (de) 1993-08-02 1994-06-21 Bestimmung hämodynamischer parameter mittels eines druckwandlers

Country Status (7)

Country Link
US (1) US5368040A (de)
EP (1) EP0712291B1 (de)
JP (1) JP3566725B2 (de)
AU (1) AU683078B2 (de)
CA (1) CA2166983C (de)
DE (1) DE69421816T2 (de)
WO (1) WO1995003737A1 (de)

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JPH09500806A (ja) 1997-01-28
AU7315994A (en) 1995-02-28
EP0712291B1 (de) 1999-11-24
US5368040A (en) 1994-11-29
JP3566725B2 (ja) 2004-09-15
CA2166983C (en) 1999-10-05
CA2166983A1 (en) 1995-02-09
DE69421816T2 (de) 2000-05-31
EP0712291A1 (de) 1996-05-22
AU683078B2 (en) 1997-10-30
WO1995003737A1 (en) 1995-02-09

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