DE69530207D1 - Vorrichtung zur impedanz-kardiographie - Google Patents

Vorrichtung zur impedanz-kardiographie

Info

Publication number
DE69530207D1
DE69530207D1 DE69530207T DE69530207T DE69530207D1 DE 69530207 D1 DE69530207 D1 DE 69530207D1 DE 69530207 T DE69530207 T DE 69530207T DE 69530207 T DE69530207 T DE 69530207T DE 69530207 D1 DE69530207 D1 DE 69530207D1
Authority
DE
Germany
Prior art keywords
impedance cardiography
cardiography
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 - Fee Related
Application number
DE69530207T
Other languages
English (en)
Other versions
DE69530207T2 (de
Inventor
William N Reining
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.)
Intellectual Property LLC
Original Assignee
Intellectual Property LLC
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 Intellectual Property LLC filed Critical Intellectual Property LLC
Publication of DE69530207D1 publication Critical patent/DE69530207D1/de
Application granted granted Critical
Publication of DE69530207T2 publication Critical patent/DE69530207T2/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
    • A61B5/02—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
    • A61B5/026—Measuring blood flow
    • A61B5/029—Measuring or recording 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
    • A61B5/02—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
    • A61B5/026—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)
  • Hematology (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Physiology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
DE69530207T 1994-07-07 1995-06-23 Vorrichtung zur impedanz-kardiographie Expired - Fee Related DE69530207T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/271,689 US5505209A (en) 1994-07-07 1994-07-07 Impedance cardiograph apparatus and method
US271689 1994-07-07
PCT/US1995/008856 WO1996001586A1 (en) 1994-07-07 1995-06-23 Impedance cardiograph apparatus and method

Publications (2)

Publication Number Publication Date
DE69530207D1 true DE69530207D1 (de) 2003-05-08
DE69530207T2 DE69530207T2 (de) 2004-02-05

Family

ID=23036642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69530207T Expired - Fee Related DE69530207T2 (de) 1994-07-07 1995-06-23 Vorrichtung zur impedanz-kardiographie

Country Status (4)

Country Link
US (1) US5505209A (de)
EP (1) EP0771172B1 (de)
DE (1) DE69530207T2 (de)
WO (1) WO1996001586A1 (de)

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US9089275B2 (en) * 2005-05-11 2015-07-28 Cardiac Pacemakers, Inc. Sensitivity and specificity of pulmonary edema detection when using transthoracic impedance
US7907997B2 (en) * 2005-05-11 2011-03-15 Cardiac Pacemakers, Inc. Enhancements to the detection of pulmonary edema when using transthoracic impedance
US7340296B2 (en) 2005-05-18 2008-03-04 Cardiac Pacemakers, Inc. Detection of pleural effusion using transthoracic impedance
EP1903938A4 (de) 2005-07-01 2010-01-20 Impedance Cardiology Systems I Lungenüberwachungssystem
CA2609111C (en) * 2005-07-01 2016-10-18 Scott Chetham A method and apparatus for performing impedance measurements in accordance with determining an electrode arrangement using a displayed representation
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EP1912563B1 (de) * 2005-08-02 2016-04-20 Impedimed Limited Impedanzparameter-werte
EP1754441B1 (de) * 2005-08-17 2008-01-09 Osypka Medical GmbH Digitale Demodulationsvorrichtung und -verfahren zur Messung der elektrischen Bioimpedanz oder Bioadmittanz
EP1948017B1 (de) 2005-10-11 2014-04-02 Impedimed Limited Überwachung des hydrationszustands
JP5431147B2 (ja) * 2006-05-30 2014-03-05 インぺディメッド リミテッド インピーダンス測定
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JP5400618B2 (ja) * 2007-01-15 2014-01-29 インぺディメッド リミテッド モニタリングシステム
US8876725B2 (en) * 2007-02-23 2014-11-04 Cheetah Medical, Inc. Method and system for estimating exercise capacity
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US20110046505A1 (en) * 2007-08-09 2011-02-24 Impedimed Limited Impedance measurement process
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US9314168B2 (en) * 2008-09-30 2016-04-19 Nellcor Puritan Bennett Ireland Detecting sleep events using localized blood pressure changes
US9687161B2 (en) * 2008-09-30 2017-06-27 Nellcor Puritan Bennett Ireland Systems and methods for maintaining blood pressure monitor calibration
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US9198582B2 (en) * 2009-06-30 2015-12-01 Nellcor Puritan Bennett Ireland Determining a characteristic physiological parameter
US20110021929A1 (en) * 2009-07-27 2011-01-27 Nellcor Puritan Bennett Ireland Systems and methods for continuous non-invasive blood pressure monitoring
US8628477B2 (en) * 2009-07-31 2014-01-14 Nellcor Puritan Bennett Ireland Systems and methods for non-invasive determination of blood pressure
US9220440B2 (en) * 2009-09-21 2015-12-29 Nellcor Puritan Bennett Ireland Determining a characteristic respiration rate
US9066660B2 (en) 2009-09-29 2015-06-30 Nellcor Puritan Bennett Ireland Systems and methods for high-pass filtering a photoplethysmograph signal
US8463347B2 (en) * 2009-09-30 2013-06-11 Nellcor Puritan Bennett Ireland Systems and methods for normalizing a plethysmograph signal for improved feature analysis
JP5643829B2 (ja) 2009-10-26 2014-12-17 インぺディメッド リミテッドＩｍｐｅｄｉｍｅｄ Ｌｉｍｉｔｅｄ インピーダンス測定の分析において用いるための方法及び装置
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Also Published As

Publication number Publication date
WO1996001586A1 (en) 1996-01-25
EP0771172A1 (de) 1997-05-07
EP0771172B1 (de) 2003-04-02
US5505209A (en) 1996-04-09
DE69530207T2 (de) 2004-02-05

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee