BRPI0703121A - rastreamento de posição imune a distorção utilizando extraporlação de freqüência - Google Patents

rastreamento de posição imune a distorção utilizando extraporlação de freqüência

Info

Publication number
BRPI0703121A
BRPI0703121A BRPI0703121-1A BRPI0703121A BRPI0703121A BR PI0703121 A BRPI0703121 A BR PI0703121A BR PI0703121 A BRPI0703121 A BR PI0703121A BR PI0703121 A BRPI0703121 A BR PI0703121A
Authority
BR
Brazil
Prior art keywords
fields
distortion
data points
position tracking
amplitudes
Prior art date
Application number
BRPI0703121-1A
Other languages
English (en)
Inventor
Assaf Govari
Alexander Goldin
Meir Bar-Tal
Original Assignee
Johnson & Johnson
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 Johnson & Johnson filed Critical Johnson & Johnson
Publication of BRPI0703121A publication Critical patent/BRPI0703121A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • 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 diagnostic devices within or on the body of the patient
    • 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 diagnostic devices 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
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, 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
    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Robotics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Radio Relay Systems (AREA)
  • Measuring Magnetic Variables (AREA)
  • Optical Communication System (AREA)
  • Stereophonic System (AREA)

Abstract

RASTREAMENTO DE POSIçãO IMUNE A DISTORçãO UTILIZANDO EXTRAPOLAçãO DE FREQüêNCIA. A presente invenção refere-se a um método para rastrear uma posição de um objeto que inclui gerar campos magnéticos de corrente alternada (CA) em duas ou mais freqüências em uma vizinhança do objeto utilizando pelo menos um gerador de campo. Os campos CA são detectados utilizando um sensor de campo associado com o objeto. Pontos de dados de CA correspondentes que são indicativos de amplitudes e de direções dos campos CA no sensor de campo são produzidos, em que pelo menos alguns dos campos CA detectados estão sujeitos a uma distorção. Uma dependência dos pontos de dados de CA sobre as freqüências dos campos CA é extrapolada para uma freqüência alvo de modo a determinar as amplitudes e as direções dos campos CA com um nível reduzido da distorção. As coordenadas de posição do objeto em relação ao pelo menos um gerador de campo são calculadas em resposta aos pontos de dados extrapolados.
BRPI0703121-1A 2006-08-21 2007-08-21 rastreamento de posição imune a distorção utilizando extraporlação de freqüência BRPI0703121A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/465,920 US8326402B2 (en) 2006-08-21 2006-08-21 Distortion-immune position tracking using frequency extrapolation

Publications (1)

Publication Number Publication Date
BRPI0703121A true BRPI0703121A (pt) 2008-04-08

Family

ID=38858972

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0703121-1A BRPI0703121A (pt) 2006-08-21 2007-08-21 rastreamento de posição imune a distorção utilizando extraporlação de freqüência

Country Status (12)

Country Link
US (1) US8326402B2 (pt)
EP (1) EP1891895B1 (pt)
JP (1) JP5052994B2 (pt)
KR (1) KR20080017275A (pt)
CN (1) CN101129264B (pt)
AT (1) ATE459291T1 (pt)
AU (1) AU2007207882B2 (pt)
BR (1) BRPI0703121A (pt)
CA (1) CA2598135C (pt)
DE (1) DE602007005062D1 (pt)
IL (1) IL185365A (pt)
MX (1) MX2007010135A (pt)

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Also Published As

Publication number Publication date
KR20080017275A (ko) 2008-02-26
JP2008058307A (ja) 2008-03-13
MX2007010135A (es) 2009-01-29
EP1891895A1 (en) 2008-02-27
CA2598135C (en) 2016-02-16
JP5052994B2 (ja) 2012-10-17
IL185365A0 (en) 2008-01-06
US20080125646A1 (en) 2008-05-29
CN101129264A (zh) 2008-02-27
AU2007207882A1 (en) 2008-03-06
AU2007207882B2 (en) 2010-12-02
IL185365A (en) 2011-03-31
ATE459291T1 (de) 2010-03-15
DE602007005062D1 (de) 2010-04-15
EP1891895B1 (en) 2010-03-03
CN101129264B (zh) 2012-02-08
US8326402B2 (en) 2012-12-04
CA2598135A1 (en) 2008-02-21

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Legal Events

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B03H Publication of an application: rectification [chapter 3.8 patent gazette]

Free format text: REFERENTE A RPI NO 1944 DE 08/04/2008 QUANTO AO ITEM (54).

B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]