CA2231038C - Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps - Google Patents

Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps Download PDF

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Publication number
CA2231038C
CA2231038C CA 2231038 CA2231038A CA2231038C CA 2231038 C CA2231038 C CA 2231038C CA 2231038 CA2231038 CA 2231038 CA 2231038 A CA2231038 A CA 2231038A CA 2231038 C CA2231038 C CA 2231038C
Authority
CA
Canada
Prior art keywords
impedance
points
breast
electrode
measurements
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
CA 2231038
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English (en)
Other versions
CA2231038A1 (fr
Inventor
Leslie W. Organ
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.)
Impedimed Ltd
Original Assignee
Z Tech Canada 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 Z Tech Canada Inc filed Critical Z Tech Canada Inc
Priority to CA2492903A priority Critical patent/CA2492903C/fr
Priority to CA 2231038 priority patent/CA2231038C/fr
Publication of CA2231038A1 publication Critical patent/CA2231038A1/fr
Application granted granted Critical
Publication of CA2231038C publication Critical patent/CA2231038C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Radiology & Medical Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
CA 2231038 1998-05-01 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps Expired - Lifetime CA2231038C (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA2492903A CA2492903C (fr) 1998-05-01 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps
CA 2231038 CA2231038C (fr) 1998-05-05 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2231038 CA2231038C (fr) 1998-05-05 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2492903A Division CA2492903C (fr) 1998-05-01 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps

Publications (2)

Publication Number Publication Date
CA2231038A1 CA2231038A1 (fr) 1999-11-05
CA2231038C true CA2231038C (fr) 2005-12-13

Family

ID=29409379

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2231038 Expired - Lifetime CA2231038C (fr) 1998-05-01 1998-05-05 Appareil et methode pour la detection et le diagnostic de la maladie par la mesure de l'impedance electrique dans le corps

Country Status (1)

Country Link
CA (1) CA2231038C (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8099250B2 (en) 2005-08-02 2012-01-17 Impedimed Limited Impedance parameter values
US8487686B2 (en) 2007-03-30 2013-07-16 Impedimed Limited Active guarding for reduction of resistive and capacitive signal loading with adjustable control of compensation level
US8548580B2 (en) 2005-07-01 2013-10-01 Impedimed Limited Monitoring system
US8594781B2 (en) 2007-01-15 2013-11-26 Impedimed Limited Monitoring system
US8744564B2 (en) 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
US8836345B2 (en) 2007-11-05 2014-09-16 Impedimed Limited Impedance determination
US9392947B2 (en) 2008-02-15 2016-07-19 Impedimed Limited Blood flow assessment of venous insufficiency
US9585593B2 (en) 2009-11-18 2017-03-07 Chung Shing Fan Signal distribution for patient-electrode measurements

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPQ113799A0 (en) 1999-06-22 1999-07-15 University Of Queensland, The A method and device for measuring lymphoedema
GB0005247D0 (en) * 2000-03-03 2000-04-26 Btg Int Ltd Electrical impedance method for differentiating tissue types
US6768921B2 (en) 2000-12-28 2004-07-27 Z-Tech (Canada) Inc. Electrical impedance method and apparatus for detecting and diagnosing diseases
WO2006056074A1 (fr) 2004-11-26 2006-06-01 Z-Tech (Canada) Inc. Procede des gradients ponderes et systeme de diagnostic de maladie
CA2609111C (fr) 2005-07-01 2016-10-18 Scott Chetham Procede et appareil d'execution de mesures d'impedance en fonction de ladetermination d'une disposition d'electrode au moyen d'une representation affichee
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
US8761870B2 (en) 2006-05-30 2014-06-24 Impedimed Limited Impedance measurements
JP5372768B2 (ja) 2006-11-30 2013-12-18 インぺディメッド リミテッド 測定装置
AU2008241356B2 (en) 2007-04-20 2013-10-03 Impedimed Limited Monitoring system and probe
US9615766B2 (en) 2008-11-28 2017-04-11 Impedimed Limited Impedance measurement process
CA2777797A1 (fr) 2009-10-26 2011-05-05 Impedimed Limited Determination d'indicateur de niveau de fluide

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8744564B2 (en) 2004-06-18 2014-06-03 Impedimed Limited Oedema detection
US9149235B2 (en) 2004-06-18 2015-10-06 Impedimed Limited Oedema detection
US8548580B2 (en) 2005-07-01 2013-10-01 Impedimed Limited Monitoring system
US8099250B2 (en) 2005-08-02 2012-01-17 Impedimed Limited Impedance parameter values
US8594781B2 (en) 2007-01-15 2013-11-26 Impedimed Limited Monitoring system
US8487686B2 (en) 2007-03-30 2013-07-16 Impedimed Limited Active guarding for reduction of resistive and capacitive signal loading with adjustable control of compensation level
US8836345B2 (en) 2007-11-05 2014-09-16 Impedimed Limited Impedance determination
US9392947B2 (en) 2008-02-15 2016-07-19 Impedimed Limited Blood flow assessment of venous insufficiency
US9585593B2 (en) 2009-11-18 2017-03-07 Chung Shing Fan Signal distribution for patient-electrode measurements

Also Published As

Publication number Publication date
CA2231038A1 (fr) 1999-11-05

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Effective date: 20180507