WO2001031466A8 - Coil structures and methods for generating magnetic fields - Google Patents

Coil structures and methods for generating magnetic fields Download PDF

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Publication number
WO2001031466A8
WO2001031466A8 PCT/US2000/029733 US0029733W WO0131466A8 WO 2001031466 A8 WO2001031466 A8 WO 2001031466A8 US 0029733 W US0029733 W US 0029733W WO 0131466 A8 WO0131466 A8 WO 0131466A8
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WO
WIPO (PCT)
Prior art keywords
magnetic fields
methods
signals
generating magnetic
coil structures
Prior art date
Application number
PCT/US2000/029733
Other languages
French (fr)
Other versions
WO2001031466A1 (en
WO2001031466A9 (en
Inventor
Michael A Martinelli
Brad Jascob
Mark W Hunter
Original Assignee
Winchester Dev Associates
Entpr Medical Technology Inc
Michael A Martinelli
Brad Jascob
Mark W Hunter
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 Winchester Dev Associates, Entpr Medical Technology Inc, Michael A Martinelli, Brad Jascob, Mark W Hunter filed Critical Winchester Dev Associates
Priority to AU12408/01A priority Critical patent/AU1240801A/en
Publication of WO2001031466A1 publication Critical patent/WO2001031466A1/en
Publication of WO2001031466A8 publication Critical patent/WO2001031466A8/en
Publication of WO2001031466A9 publication Critical patent/WO2001031466A9/en

Links

Classifications

    • 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
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • 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
    • 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
    • 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
    • A61B2090/3954—Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI
    • A61B2090/3958—Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI emitting a signal

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Robotics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Measuring Magnetic Variables (AREA)

Abstract

An apparatus for determining a location of a sensor in a surgical navigation domain includes a first magnetic field generator having a first coil set (402-414), a second magnetic field generator having a second coil set (408-428). The first and second coil sets (420-428) are disposed substantially within a common plane. The apparatus further includes a processor configured to receive a plurality of signals and calculates the location of the sensor from the plurality of signals. The sensor produces the plurality of signals in response to magnetic fields generated by the first and second magnetic field generators.
PCT/US2000/029733 1999-10-28 2000-10-27 Coil structures and methods for generating magnetic fields WO2001031466A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU12408/01A AU1240801A (en) 1999-10-28 2000-10-27 Coil structures and methods for generating magnetic fields

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16199099P 1999-10-28 1999-10-28
US60/161,990 1999-10-28

Publications (3)

Publication Number Publication Date
WO2001031466A1 WO2001031466A1 (en) 2001-05-03
WO2001031466A8 true WO2001031466A8 (en) 2001-10-11
WO2001031466A9 WO2001031466A9 (en) 2002-05-16

Family

ID=22583699

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/029733 WO2001031466A1 (en) 1999-10-28 2000-10-27 Coil structures and methods for generating magnetic fields

Country Status (3)

Country Link
US (1) US6701179B1 (en)
AU (1) AU1240801A (en)
WO (1) WO2001031466A1 (en)

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