ATE454088T1 - Hybrid-positionsbestimmung auf impedanz- und magnetbasis - Google Patents

Hybrid-positionsbestimmung auf impedanz- und magnetbasis

Info

Publication number
ATE454088T1
ATE454088T1 AT06253717T AT06253717T ATE454088T1 AT E454088 T1 ATE454088 T1 AT E454088T1 AT 06253717 T AT06253717 T AT 06253717T AT 06253717 T AT06253717 T AT 06253717T AT E454088 T1 ATE454088 T1 AT E454088T1
Authority
AT
Austria
Prior art keywords
impedance
probe
magnet
control unit
positioning based
Prior art date
Application number
AT06253717T
Other languages
English (en)
Inventor
Assaf Govari
Andres Claudio Altmann
Yitzhack Schwartz
Yaron Ephrath
Original Assignee
Biosense Webster 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 Biosense Webster Inc filed Critical Biosense Webster Inc
Application granted granted Critical
Publication of ATE454088T1 publication Critical patent/ATE454088T1/de

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/063—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using impedance measurements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • 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
    • A61B5/0538—Measuring electrical impedance or conductance of a portion of the body invasively, e.g. using a catheter
    • 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
    • A61B5/0035—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 acquisition of images from more than one imaging mode, e.g. combining MRI and optical tomography

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Human Computer Interaction (AREA)
  • Radiology & Medical Imaging (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Optics & Photonics (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Networks Using Active Elements (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • General Induction Heating (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT06253717T 2005-07-15 2006-07-14 Hybrid-positionsbestimmung auf impedanz- und magnetbasis ATE454088T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/182,272 US7536218B2 (en) 2005-07-15 2005-07-15 Hybrid magnetic-based and impedance-based position sensing

Publications (1)

Publication Number Publication Date
ATE454088T1 true ATE454088T1 (de) 2010-01-15

Family

ID=37192673

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06253717T ATE454088T1 (de) 2005-07-15 2006-07-14 Hybrid-positionsbestimmung auf impedanz- und magnetbasis

Country Status (14)

Country Link
US (2) US7536218B2 (de)
EP (2) EP1743575B8 (de)
JP (1) JP5031285B2 (de)
KR (1) KR20070009472A (de)
CN (1) CN1903122B (de)
AT (1) ATE454088T1 (de)
AU (1) AU2006203002B2 (de)
BR (1) BRPI0602810A (de)
CA (1) CA2552069C (de)
DE (1) DE602006011539D1 (de)
DK (1) DK1743575T3 (de)
ES (1) ES2336477T3 (de)
IL (1) IL176792A (de)
MX (1) MXPA06008075A (de)

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EP1743575A3 (de) 2007-05-02
DE602006011539D1 (de) 2010-02-25
US20070016007A1 (en) 2007-01-18
US20090203992A1 (en) 2009-08-13
AU2006203002B2 (en) 2010-06-10
US7848789B2 (en) 2010-12-07
EP1743575B8 (de) 2010-05-12
IL176792A (en) 2011-09-27
EP2163197A1 (de) 2010-03-17
CA2552069C (en) 2014-11-18
JP5031285B2 (ja) 2012-09-19
CN1903122A (zh) 2007-01-31
KR20070009472A (ko) 2007-01-18
JP2007021218A (ja) 2007-02-01
CN1903122B (zh) 2010-04-14
DK1743575T3 (da) 2010-04-26
EP1743575B1 (de) 2010-01-06
IL176792A0 (en) 2006-10-31
US7536218B2 (en) 2009-05-19
AU2006203002A1 (en) 2007-02-01
ES2336477T3 (es) 2010-04-13
MXPA06008075A (es) 2007-06-05
EP1743575A2 (de) 2007-01-17
BRPI0602810A (pt) 2007-03-06
CA2552069A1 (en) 2007-01-15

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