DE69637978D1 - Magnetisches ortbestimmungssystem mit adaptivem rückführungskreis - Google Patents

Magnetisches ortbestimmungssystem mit adaptivem rückführungskreis

Info

Publication number
DE69637978D1
DE69637978D1 DE69637978T DE69637978T DE69637978D1 DE 69637978 D1 DE69637978 D1 DE 69637978D1 DE 69637978 T DE69637978 T DE 69637978T DE 69637978 T DE69637978 T DE 69637978T DE 69637978 D1 DE69637978 D1 DE 69637978D1
Authority
DE
Germany
Prior art keywords
sensors
determination system
location determination
adaptive feedback
magnetic location
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
DE69637978T
Other languages
English (en)
Inventor
David E Acker
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 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 Inc filed Critical Biosense Inc
Application granted granted Critical
Publication of DE69637978D1 publication Critical patent/DE69637978D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • 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
    • A61B5/062—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 magnetic field
    • 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
    • A61B5/064—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 markers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/004—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring coordinates of points
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2051—Electromagnetic tracking systems
DE69637978T 1995-06-07 1996-06-03 Magnetisches ortbestimmungssystem mit adaptivem rückführungskreis Expired - Lifetime DE69637978D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/476,380 US5729129A (en) 1995-06-07 1995-06-07 Magnetic location system with feedback adjustment of magnetic field generator
PCT/US1996/008411 WO1996041119A1 (en) 1995-06-07 1996-06-03 Magnetic location system with adaptive feedback control

Publications (1)

Publication Number Publication Date
DE69637978D1 true DE69637978D1 (de) 2009-09-10

Family

ID=23891603

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69637978T Expired - Lifetime DE69637978D1 (de) 1995-06-07 1996-06-03 Magnetisches ortbestimmungssystem mit adaptivem rückführungskreis

Country Status (10)

Country Link
US (1) US5729129A (de)
EP (1) EP0830562B1 (de)
JP (1) JP3351796B2 (de)
CN (1) CN1133864C (de)
AT (1) ATE438078T1 (de)
AU (1) AU692398B2 (de)
DE (1) DE69637978D1 (de)
DK (1) DK0830562T3 (de)
ES (1) ES2330060T3 (de)
WO (1) WO1996041119A1 (de)

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* Cited by examiner, † Cited by third party
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AU692398B2 (en) 1998-06-04
ATE438078T1 (de) 2009-08-15
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CN1186549A (zh) 1998-07-01
DK0830562T3 (da) 2009-11-30
JP3351796B2 (ja) 2002-12-03
EP0830562A4 (de) 2001-08-22
US5729129A (en) 1998-03-17
CN1133864C (zh) 2004-01-07
WO1996041119A1 (en) 1996-12-19
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AU6031296A (en) 1996-12-30
EP0830562A1 (de) 1998-03-25

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