DE69733341D1 - Ortungsverfahren mit feldbestätigungssequenzen - Google Patents

Ortungsverfahren mit feldbestätigungssequenzen

Info

Publication number
DE69733341D1
DE69733341D1 DE69733341T DE69733341T DE69733341D1 DE 69733341 D1 DE69733341 D1 DE 69733341D1 DE 69733341 T DE69733341 T DE 69733341T DE 69733341 T DE69733341 T DE 69733341T DE 69733341 D1 DE69733341 D1 DE 69733341D1
Authority
DE
Germany
Prior art keywords
sequences
location process
field assessment
assessment
field
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
DE69733341T
Other languages
English (en)
Other versions
DE69733341T2 (de
Inventor
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 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 DE69733341D1 publication Critical patent/DE69733341D1/de
Publication of DE69733341T2 publication Critical patent/DE69733341T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01B7/003—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring position, not involving coordinate determination
    • 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
    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils
    • 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
    • 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
    • A61B2034/2072—Reference field transducer attached to an instrument or patient
DE69733341T 1996-02-27 1997-02-24 Ortungsverfahren mit feldbestätigungssequenzen Expired - Lifetime DE69733341T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US1232696P 1996-02-27 1996-02-27
US12326P 1996-02-27
PCT/US1997/002499 WO1997032179A1 (en) 1996-02-27 1997-02-24 Location system with field actuation sequences

Publications (2)

Publication Number Publication Date
DE69733341D1 true DE69733341D1 (de) 2005-06-30
DE69733341T2 DE69733341T2 (de) 2006-02-02

Family

ID=21754438

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69733341T Expired - Lifetime DE69733341T2 (de) 1996-02-27 1997-02-24 Ortungsverfahren mit feldbestätigungssequenzen

Country Status (9)

Country Link
US (1) US6211666B1 (de)
EP (1) EP0886757B1 (de)
JP (1) JP4141500B2 (de)
AU (1) AU704129B2 (de)
CA (1) CA2247441C (de)
DE (1) DE69733341T2 (de)
ES (1) ES2242213T3 (de)
IL (1) IL125909A0 (de)
WO (1) WO1997032179A1 (de)

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EP0886757A1 (de) 1998-12-30
JP2000506264A (ja) 2000-05-23
WO1997032179A1 (en) 1997-09-04
IL125909A0 (en) 1999-04-11
US6211666B1 (en) 2001-04-03
CA2247441C (en) 2004-07-06
AU2051997A (en) 1997-09-16
EP0886757B1 (de) 2005-05-25
ES2242213T3 (es) 2005-11-01
EP0886757A4 (de) 2000-08-09
AU704129B2 (en) 1999-04-15
CA2247441A1 (en) 1997-09-04
JP4141500B2 (ja) 2008-08-27

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