DE602006011539D1 - Hybrid-Positionsbestimmung auf Impedanz- und Magnetbasis - Google Patents

Hybrid-Positionsbestimmung auf Impedanz- und Magnetbasis

Info

Publication number
DE602006011539D1
DE602006011539D1 DE602006011539T DE602006011539T DE602006011539D1 DE 602006011539 D1 DE602006011539 D1 DE 602006011539D1 DE 602006011539 T DE602006011539 T DE 602006011539T DE 602006011539 T DE602006011539 T DE 602006011539T DE 602006011539 D1 DE602006011539 D1 DE 602006011539D1
Authority
DE
Germany
Prior art keywords
impedance
probe
position determination
control unit
hybrid position
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.)
Active
Application number
DE602006011539T
Other languages
English (en)
Inventor
Assaf Govari
Andres Claudio Altmann
Yitzhack Schwartz
Yaron Ephrath
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.)
Biosense Webster Inc
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
Publication of DE602006011539D1 publication Critical patent/DE602006011539D1/de
Active 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
    • A61B5/145—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
DE602006011539T 2005-07-15 2006-07-14 Hybrid-Positionsbestimmung auf Impedanz- und Magnetbasis Active DE602006011539D1 (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
DE602006011539D1 true DE602006011539D1 (de) 2010-02-25

Family

ID=37192673

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006011539T Active DE602006011539D1 (de) 2005-07-15 2006-07-14 Hybrid-Positionsbestimmung auf Impedanz- und Magnetbasis

Country Status (14)

Country Link
US (2) US7536218B2 (de)
EP (2) EP2163197A1 (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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US7536218B2 (en) 2009-05-19
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