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FR2906612B1 - Procede et dispositif de tomographie par impedance electrique. - Google Patents

Procede et dispositif de tomographie par impedance electrique.

Info

Publication number
FR2906612B1
FR2906612B1 FR0608538A FR0608538A FR2906612B1 FR 2906612 B1 FR2906612 B1 FR 2906612B1 FR 0608538 A FR0608538 A FR 0608538A FR 0608538 A FR0608538 A FR 0608538A FR 2906612 B1 FR2906612 B1 FR 2906612B1
Authority
FR
France
Prior art keywords
tomography
electric impedance
impedance
electric
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
FR0608538A
Other languages
English (en)
Other versions
FR2906612A1 (fr
Inventor
Habib Ammari
Eric Bonnetier
Yves Capdeboscq
Mickael Tanter
Mathias Fink
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.)
Centre National de la Recherche Scientifique CNRS
Original Assignee
Centre National de la Recherche Scientifique CNRS
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 Centre National de la Recherche Scientifique CNRS filed Critical Centre National de la Recherche Scientifique CNRS
Priority to FR0608538A priority Critical patent/FR2906612B1/fr
Priority to PCT/FR2007/052021 priority patent/WO2008037929A2/fr
Priority to US12/443,138 priority patent/US20100007357A1/en
Priority to JP2009529743A priority patent/JP2010504781A/ja
Priority to EP07823866A priority patent/EP2069770A2/fr
Publication of FR2906612A1 publication Critical patent/FR2906612A1/fr
Application granted granted Critical
Publication of FR2906612B1 publication Critical patent/FR2906612B1/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A61B5/0536—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
    • A61B5/40—Detecting, measuring or recording for evaluating the nervous system
    • A61B5/4058—Detecting, measuring or recording for evaluating the nervous system for evaluating the central nervous system
    • A61B5/4064—Evaluating the brain
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/48—Diagnostic techniques
    • A61B8/485—Diagnostic techniques involving measuring strain or elastic properties

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR0608538A 2006-09-28 2006-09-28 Procede et dispositif de tomographie par impedance electrique. Expired - Fee Related FR2906612B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0608538A FR2906612B1 (fr) 2006-09-28 2006-09-28 Procede et dispositif de tomographie par impedance electrique.
PCT/FR2007/052021 WO2008037929A2 (fr) 2006-09-28 2007-09-26 Procede et dispositif de tomographie par impedance electrique.
US12/443,138 US20100007357A1 (en) 2006-09-28 2007-09-26 Electrical Impedance Tomography Method and Device
JP2009529743A JP2010504781A (ja) 2006-09-28 2007-09-26 電気インピーダンストモグラフィー法および装置
EP07823866A EP2069770A2 (fr) 2006-09-28 2007-09-26 Procede et dispositif de tomographie par impedance electrique.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0608538A FR2906612B1 (fr) 2006-09-28 2006-09-28 Procede et dispositif de tomographie par impedance electrique.

Publications (2)

Publication Number Publication Date
FR2906612A1 FR2906612A1 (fr) 2008-04-04
FR2906612B1 true FR2906612B1 (fr) 2009-03-06

Family

ID=37963944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0608538A Expired - Fee Related FR2906612B1 (fr) 2006-09-28 2006-09-28 Procede et dispositif de tomographie par impedance electrique.

Country Status (5)

Country Link
US (1) US20100007357A1 (fr)
EP (1) EP2069770A2 (fr)
JP (1) JP2010504781A (fr)
FR (1) FR2906612B1 (fr)
WO (1) WO2008037929A2 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008544777A (ja) 2005-07-01 2008-12-11 インぺディメッド リミテッド 監視システム
EP2449964B1 (fr) 2005-07-01 2016-08-10 Impedimed Limited Cennecteur pour system pour mesurer l'impedance
US9724012B2 (en) 2005-10-11 2017-08-08 Impedimed Limited Hydration status monitoring
CA2684324C (fr) 2007-04-20 2017-05-30 Impedimed Limited Systeme et sonde de surveillance
JP5542050B2 (ja) 2007-08-09 2014-07-09 インぺディメッド リミテッド インピーダンス測定方法及び装置
AT506293B1 (de) * 2008-07-16 2009-08-15 Univ Innsbruck Verfahren zur abbildung eines objekts und vorrichtung zur durchführung des verfahrens
WO2011050393A1 (fr) 2009-10-26 2011-05-05 Impedimed Limited Détermination d'indicateur de niveau de fluide
US9585593B2 (en) 2009-11-18 2017-03-07 Chung Shing Fan Signal distribution for patient-electrode measurements
US9149225B2 (en) 2011-12-14 2015-10-06 Intesection Medical, Inc. Methods for determining the relative spatial change in subsurface resistivities across frequencies in tissue
CN102894977B (zh) * 2012-10-30 2014-06-18 中国人民解放军第四军医大学 一种用于电阻抗映射成像的感兴趣目标体立体定位方法
US9687145B2 (en) 2014-11-10 2017-06-27 University Of Houston System Optical coherence elastography to assess biomechanics and detect progression of ocular and other tissues degenerative diseases
US11406258B2 (en) 2014-11-10 2022-08-09 University Of Houston System System and method to measure tissue biomechanical properties without external excitation
GB201501891D0 (en) * 2015-02-05 2015-03-25 The Technology Partnership Plc Method for producing an electrical impedance tomographic image of an acoustic field and a system for performing said method
DE102017123032A1 (de) * 2017-10-04 2019-04-04 Krohne Messtechnik Gmbh Tomografiegerät zur elektrischen Impedanztomografie
CN112179950B (zh) * 2020-09-30 2021-11-16 北京航空航天大学 一种三维双模态电阻抗成像传感器及制造方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291768A (en) * 1980-01-14 1981-09-29 W-K-M Wellhead Systems, Inc. Packing assembly for wellheads
IL62861A (en) * 1981-05-13 1988-01-31 Yeda Res & Dev Method and apparatus for carrying out electric tomography
US4617939A (en) * 1982-04-30 1986-10-21 The University Of Sheffield Tomography
US4920490A (en) * 1988-01-28 1990-04-24 Rensselaer Polytechnic Institute Process and apparatus for distinguishing conductivities by electric current computed tomography
GB9226376D0 (en) * 1992-12-18 1993-02-10 British Tech Group Tomography
US6560480B1 (en) * 1994-10-24 2003-05-06 Transscan Medical Ltd. Localization of anomalies in tissue and guidance of invasive tools based on impedance imaging
DE10136529C1 (de) * 2001-07-26 2002-12-12 Siemens Ag Kombinierter elektrischer Impedanz- und Ultraschall-Scanner
DE10315863B4 (de) * 2003-04-08 2013-03-14 Dräger Medical GmbH Elektrodengürtel

Also Published As

Publication number Publication date
WO2008037929A2 (fr) 2008-04-03
JP2010504781A (ja) 2010-02-18
WO2008037929A3 (fr) 2008-05-08
US20100007357A1 (en) 2010-01-14
FR2906612A1 (fr) 2008-04-04
EP2069770A2 (fr) 2009-06-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20130531