WO2004004539A3 - Apparatus for monitoring chf patients using bio-impedance technique - Google Patents

Apparatus for monitoring chf patients using bio-impedance technique Download PDF

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Publication number
WO2004004539A3
WO2004004539A3 PCT/IL2003/000556 IL0300556W WO2004004539A3 WO 2004004539 A3 WO2004004539 A3 WO 2004004539A3 IL 0300556 W IL0300556 W IL 0300556W WO 2004004539 A3 WO2004004539 A3 WO 2004004539A3
Authority
WO
WIPO (PCT)
Prior art keywords
impedance
data
bio
electrocardiograph
chest
Prior art date
Application number
PCT/IL2003/000556
Other languages
French (fr)
Other versions
WO2004004539A2 (en
Inventor
Abboud Shimon Arad
Original Assignee
Univ Tel Aviv Future Tech Dev
Abboud Shimon Arad
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 Univ Tel Aviv Future Tech Dev, Abboud Shimon Arad filed Critical Univ Tel Aviv Future Tech Dev
Priority to EP03735951.0A priority Critical patent/EP1538977B1/en
Priority to CA002491367A priority patent/CA2491367A1/en
Priority to AU2003237580A priority patent/AU2003237580A1/en
Priority to JP2004519141A priority patent/JP4739753B2/en
Publication of WO2004004539A2 publication Critical patent/WO2004004539A2/en
Publication of WO2004004539A3 publication Critical patent/WO2004004539A3/en
Priority to IL16606004A priority patent/IL166060A0/en

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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
    • A61B5/0536—Impedance imaging, e.g. by tomography
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0033—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room
    • A61B5/004—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part
    • A61B5/0044—Features or image-related aspects of imaging apparatus classified in A61B5/00, e.g. for MRI, optical tomography or impedance tomography apparatus; arrangements of imaging apparatus in a room adapted for image acquisition of a particular organ or body part for the heart
    • 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
    • A61B5/7271—Specific aspects of physiological measurement analysis
    • A61B5/7285—Specific aspects of physiological measurement analysis for synchronising or triggering a physiological measurement or image acquisition with a physiological event or waveform, e.g. an ECG signal
    • A61B5/7289—Retrospective gating, i.e. associating measured signals or images with a physiological event after the actual measurement or image acquisition, e.g. by simultaneously recording an additional physiological signal during the measurement or image acquisition
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/54—Control of apparatus or devices for radiation diagnosis
    • A61B6/541—Control of apparatus or devices for radiation diagnosis involving acquisition triggered by a physiological signal

Abstract

An apparatus and method for making corrected impedance images of the chest includes an impedance imaging data acquisition system (609,611) which acquires impedance imaging data of the chest, an electrocardiograph (618) which obtains electrocardiograph data of the patient, and a data analyzer (616) which analyzes the electrocardiograph data to obtain information about breathing parameters at the time the impedance imaging data was acquired. The data analyzer reconstructs, from the imaging data and the information about breathing parameters, at least one impedance image of the chest with reduced sensitivity to breathing parameters.
PCT/IL2003/000556 2002-07-03 2003-07-03 Apparatus for monitoring chf patients using bio-impedance technique WO2004004539A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP03735951.0A EP1538977B1 (en) 2002-07-03 2003-07-03 Apparatus for monitoring chf patients using bio-impedance technique
CA002491367A CA2491367A1 (en) 2002-07-03 2003-07-03 Apparatus for monitoring chf patients using bio-impedance technique
AU2003237580A AU2003237580A1 (en) 2002-07-03 2003-07-03 Apparatus for monitoring chf patients using bio-impedance technique
JP2004519141A JP4739753B2 (en) 2002-07-03 2003-07-03 Device for monitoring patients with congestive heart failure using bioimpedance technique
IL16606004A IL166060A0 (en) 2002-07-03 2004-12-30 Apparatus for monitoring chf patients using bio-impedance technique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/189,161 2002-07-03
US10/189,161 US7096061B2 (en) 2002-07-03 2002-07-03 Apparatus for monitoring CHF patients using bio-impedance technique

Publications (2)

Publication Number Publication Date
WO2004004539A2 WO2004004539A2 (en) 2004-01-15
WO2004004539A3 true WO2004004539A3 (en) 2004-07-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL2003/000556 WO2004004539A2 (en) 2002-07-03 2003-07-03 Apparatus for monitoring chf patients using bio-impedance technique

Country Status (6)

Country Link
US (4) US7096061B2 (en)
EP (1) EP1538977B1 (en)
JP (1) JP4739753B2 (en)
AU (1) AU2003237580A1 (en)
CA (1) CA2491367A1 (en)
WO (1) WO2004004539A2 (en)

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