CA2325540A1 - Three-axis coil sensor - Google Patents

Three-axis coil sensor Download PDF

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Publication number
CA2325540A1
CA2325540A1 CA002325540A CA2325540A CA2325540A1 CA 2325540 A1 CA2325540 A1 CA 2325540A1 CA 002325540 A CA002325540 A CA 002325540A CA 2325540 A CA2325540 A CA 2325540A CA 2325540 A1 CA2325540 A1 CA 2325540A1
Authority
CA
Canada
Prior art keywords
coil sensor
axis coil
patient
orientation
detect
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.)
Granted
Application number
CA002325540A
Other languages
French (fr)
Other versions
CA2325540C (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.
David E. Acker
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., David E. Acker filed Critical Biosense Inc.
Publication of CA2325540A1 publication Critical patent/CA2325540A1/en
Application granted granted Critical
Publication of CA2325540C publication Critical patent/CA2325540C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—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
    • 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
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/28—Surgical forceps
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2901—Details of shaft
    • A61B2017/2905—Details of shaft flexible
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3983—Reference marker arrangements for use with image guided surgery

Abstract

Magnetic field sensors are used as independently positionable reference transducer assemblies (50) and are adapted to detect the position and orientation of medical probes (20) within the body of a patient.
CA002325540A 1998-03-30 1999-03-22 Three-axis coil sensor Expired - Lifetime CA2325540C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US7985898P 1998-03-30 1998-03-30
US60/079,858 1998-03-30
PCT/US1999/006256 WO1999049783A1 (en) 1998-03-30 1999-03-22 Three-axis coil sensor

Publications (2)

Publication Number Publication Date
CA2325540A1 true CA2325540A1 (en) 1999-10-07
CA2325540C CA2325540C (en) 2007-09-18

Family

ID=22153250

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002325540A Expired - Lifetime CA2325540C (en) 1998-03-30 1999-03-22 Three-axis coil sensor

Country Status (9)

Country Link
US (1) US6161032A (en)
EP (1) EP1067863B1 (en)
JP (1) JP4156195B2 (en)
AU (1) AU3197699A (en)
CA (1) CA2325540C (en)
DE (1) DE69928783T2 (en)
ES (1) ES2253882T3 (en)
IL (1) IL138369A (en)
WO (1) WO1999049783A1 (en)

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* Cited by examiner, † Cited by third party
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AU3197699A (en) 1999-10-18
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