ATE341995T1 - Vorrichtung zur positionierung mit dynamischer metallimmunität - Google Patents

Vorrichtung zur positionierung mit dynamischer metallimmunität

Info

Publication number
ATE341995T1
ATE341995T1 AT03257360T AT03257360T ATE341995T1 AT E341995 T1 ATE341995 T1 AT E341995T1 AT 03257360 T AT03257360 T AT 03257360T AT 03257360 T AT03257360 T AT 03257360T AT E341995 T1 ATE341995 T1 AT E341995T1
Authority
AT
Austria
Prior art keywords
responsive
sensor
energy fields
signals
control unit
Prior art date
Application number
AT03257360T
Other languages
English (en)
Inventor
Assaf Govari
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 ATE341995T1 publication Critical patent/ATE341995T1/de

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
    • G01B7/004—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
    • 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
    • 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
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
  • Pathology (AREA)
  • Biophysics (AREA)
  • Human Computer Interaction (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Robotics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Automatic Control Of Machine Tools (AREA)
  • Endoscopes (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
AT03257360T 2002-11-22 2003-11-21 Vorrichtung zur positionierung mit dynamischer metallimmunität ATE341995T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/302,112 US7945309B2 (en) 2002-11-22 2002-11-22 Dynamic metal immunity

Publications (1)

Publication Number Publication Date
ATE341995T1 true ATE341995T1 (de) 2006-11-15

Family

ID=32229912

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03257360T ATE341995T1 (de) 2002-11-22 2003-11-21 Vorrichtung zur positionierung mit dynamischer metallimmunität

Country Status (14)

Country Link
US (1) US7945309B2 (de)
EP (1) EP1421900B1 (de)
JP (1) JP4717341B2 (de)
KR (1) KR20040045363A (de)
AT (1) ATE341995T1 (de)
AU (1) AU2003262437B2 (de)
CA (1) CA2450195C (de)
CY (1) CY1106241T1 (de)
DE (1) DE60308979T2 (de)
DK (1) DK1421900T3 (de)
ES (1) ES2272904T3 (de)
IL (1) IL158943A (de)
PT (1) PT1421900E (de)
SI (1) SI1421900T1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8000772B2 (en) * 2005-10-19 2011-08-16 Biosense Webster, Inc. Metal immunity in a reverse magnetic system
US7471202B2 (en) 2006-03-29 2008-12-30 General Electric Co. Conformal coil array for a medical tracking system
US7532997B2 (en) 2006-04-17 2009-05-12 General Electric Company Electromagnetic tracking using a discretized numerical field model
US9364293B2 (en) 2006-04-28 2016-06-14 Biosense Webster, Inc. Reduced field distortion in medical tools
US7688064B2 (en) 2006-07-11 2010-03-30 Biosense Webster Inc. Probe for assessment of metal distortion
US8082020B2 (en) 2006-08-07 2011-12-20 Biosense Webster, Inc. Distortion-immune position tracking using redundant magnetic field measurements
DE102007009764A1 (de) * 2007-02-27 2008-08-28 Siemens Ag Verfahren und Vorrichtung zur visuellen Unterstützung einer Katheteranwendung
WO2009004856A1 (ja) * 2007-06-29 2009-01-08 Nec Corporation 電磁界分布測定装置
US8391952B2 (en) * 2007-10-11 2013-03-05 General Electric Company Coil arrangement for an electromagnetic tracking system
WO2010076676A1 (en) * 2009-01-05 2010-07-08 Koninklijke Philips Electronics, N.V. System and method for dynamic metal distortion compensation for electromagnetic tracking systems
US9211094B2 (en) 2010-12-10 2015-12-15 Biosense Webster (Israel), Ltd. System and method for detection of metal disturbance based on contact force measurement
US10307205B2 (en) 2010-12-10 2019-06-04 Biosense Webster (Israel) Ltd. System and method for detection of metal disturbance based on orthogonal field components
US9044244B2 (en) 2010-12-10 2015-06-02 Biosense Webster (Israel), Ltd. System and method for detection of metal disturbance based on mutual inductance measurement
WO2012155050A2 (en) * 2011-05-12 2012-11-15 The Johns Hopkins University Electromagnetic tracking system and methods of using same
US9597008B2 (en) 2011-09-06 2017-03-21 Ezono Ag Imaging probe and method of obtaining position and/or orientation information
US9459087B2 (en) 2013-03-05 2016-10-04 Ezono Ag Magnetic position detection system
GB201303917D0 (en) 2013-03-05 2013-04-17 Ezono Ag System for image guided procedure
US9257220B2 (en) 2013-03-05 2016-02-09 Ezono Ag Magnetization device and method
WO2016001759A1 (en) 2014-07-03 2016-01-07 Mediguide Ltd. Localized magnetic field generator
CA2919901A1 (en) 2015-02-04 2016-08-04 Hossein Sadjadi Methods and apparatus for improved electromagnetic tracking and localization
CO7280147A1 (es) * 2015-05-21 2015-05-29 Univ Antioquia Sistema de navegación quirúrgica en computador basado en imágenes
JP6064109B1 (ja) * 2015-07-24 2017-01-18 オリンパス株式会社 位置検出システム及び誘導システム
WO2017017999A1 (ja) * 2015-07-24 2017-02-02 オリンパス株式会社 位置検出システム及び誘導システム
US9730760B2 (en) * 2015-09-30 2017-08-15 Steven M Hacker Electromagnetic resonant surgical scalpel handle and electromagnetic sensor system apparatus thereof
US11432739B2 (en) * 2016-05-03 2022-09-06 St. Jude Medical International Holding S.À R.L. Magnetic field distortion detection and correction in a magnetic localization system
US10751126B2 (en) 2016-10-28 2020-08-25 Covidien Lp System and method for generating a map for electromagnetic navigation
CN109890312B (zh) * 2016-10-28 2022-04-01 柯惠有限合伙公司 用于基于标测图来识别电磁传感器的位置和/或取向的系统和方法
US10722311B2 (en) 2016-10-28 2020-07-28 Covidien Lp System and method for identifying a location and/or an orientation of an electromagnetic sensor based on a map
CA3070948A1 (en) 2017-07-24 2019-01-31 Obalon Therapeutics, Inc. Systems and methods for locating and/or characterizing intragastric devices
US11065064B2 (en) * 2017-11-14 2021-07-20 Biosense Webster (Israel) Ltd. Calibration of a rigid ENT tool
US10695109B2 (en) 2017-12-13 2020-06-30 DePuy Synthes Products, Inc. Intramedullary nail with cannulation access hole
US20200100843A1 (en) * 2018-09-28 2020-04-02 Covidien Lp Smart extended working channel localization
US11944388B2 (en) 2018-09-28 2024-04-02 Covidien Lp Systems and methods for magnetic interference correction
MX2021003546A (es) * 2018-09-28 2021-05-27 Obalon Therapeutics Inc Sistemas y metodos de dispositivos intragastricos.
US10973588B2 (en) * 2018-10-24 2021-04-13 Biosense Webster (Israel) Ltd. On-the-fly calibration for catheter location and orientation
US11642172B2 (en) * 2019-03-05 2023-05-09 Biosense Webster (Israel) Ltd. Showing catheter in brain
US12514482B2 (en) * 2020-09-14 2026-01-06 Biosense Webster (Israel) Ltd. Identification of ablation gaps

Family Cites Families (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3644825A (en) 1969-12-31 1972-02-22 Texas Instruments Inc Magnetic detection system for detecting movement of an object utilizing signals derived from two orthogonal pickup coils
US3868565A (en) 1973-07-30 1975-02-25 Jack Kuipers Object tracking and orientation determination means, system and process
US4017858A (en) 1973-07-30 1977-04-12 Polhemus Navigation Sciences, Inc. Apparatus for generating a nutating electromagnetic field
US4054881A (en) 1976-04-26 1977-10-18 The Austin Company Remote object position locater
US4173228A (en) 1977-05-16 1979-11-06 Applied Medical Devices Catheter locating device
US4287809A (en) 1979-08-20 1981-09-08 Honeywell Inc. Helmet-mounted sighting system
US4317078A (en) 1979-10-15 1982-02-23 Ohio State University Research Foundation Remote position and orientation detection employing magnetic flux linkage
US4605897A (en) 1980-10-20 1986-08-12 Honeywell Inc. Apparatus and method for distance determination between a receiving device and a transmitting device utilizing a curl-free magnetic vector potential field
US4394831A (en) * 1981-02-12 1983-07-26 Honeywell Inc. Helmet metal mass compensation for helmet-mounted sighting system
US4710708A (en) 1981-04-27 1987-12-01 Develco Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location
US4416289A (en) 1981-05-07 1983-11-22 Mccormick Laboratories, Inc. Circuits for determining very accurately the position of a device inside biological tissue
JPS59672A (ja) 1982-06-27 1984-01-05 Tsutomu Jinno 測距センサ
US4613866A (en) 1983-05-13 1986-09-23 Mcdonnell Douglas Corporation Three dimensional digitizer with electromagnetic coupling
US4526177A (en) 1983-06-24 1985-07-02 Rudy Michael A Electronic anatomical probe
US4642786A (en) 1984-05-25 1987-02-10 Position Orientation Systems, Ltd. Method and apparatus for position and orientation measurement using a magnetic field and retransmission
EP0174082A1 (de) * 1984-07-23 1986-03-12 Judd Engineering Limited Stabilisierungsflossenkörper für ein Geschoss
EP0203560A1 (de) 1985-05-31 1986-12-03 Tegal Corporation Grabenätzverfahren an Hand eines Plasmas
US4651436A (en) 1985-06-05 1987-03-24 Gaal Peter S Probe for measuring deviations from linearity
US4771237A (en) 1986-02-19 1988-09-13 Panametrics Method and apparatus for calibrating a displacement probe using a polynomial equation to generate a displacement look-up table
US4849692A (en) 1986-10-09 1989-07-18 Ascension Technology Corporation Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields
US4945305A (en) 1986-10-09 1990-07-31 Ascension Technology Corporation Device for quantitatively measuring the relative position and orientation of two bodies in the presence of metals utilizing direct current magnetic fields
US4791412A (en) 1988-01-28 1988-12-13 Controlled Information Corporation Magnetic article surveillance system and method
EP0357314B1 (de) 1988-09-02 1993-09-22 British Gas plc Einrichtung zum Steuern der Lage eines selbstgetriebenen Bohrwerkzeuges
US4905698A (en) 1988-09-13 1990-03-06 Pharmacia Deltec Inc. Method and apparatus for catheter location determination
CN1049287A (zh) 1989-05-24 1991-02-20 住友电气工业株式会社 治疗导管
JP2959723B2 (ja) 1990-04-25 1999-10-06 オリンパス光学工業株式会社 内視鏡用被検体内挿入装置
EP0419729A1 (de) 1989-09-29 1991-04-03 Siemens Aktiengesellschaft Ortung eines Katheters mittels nichtionisierender Felder
US5068608A (en) 1989-10-30 1991-11-26 Westinghouse Electric Corp. Multiple coil eddy current probe system and method for determining the length of a discontinuity
US5253647A (en) 1990-04-13 1993-10-19 Olympus Optical Co., Ltd. Insertion position and orientation state pickup for endoscope
JP2750201B2 (ja) 1990-04-13 1998-05-13 オリンパス光学工業株式会社 内視鏡の挿入状態検出装置
FR2665530B1 (fr) 1990-08-03 1994-04-08 Sextant Avionique Radiateur et capteur magnetiques pour la determination de la position et de l'orientation d'un mobile.
GB9018660D0 (en) 1990-08-24 1990-10-10 Imperial College Probe system
JP3012341B2 (ja) 1990-12-25 2000-02-21 オリンパス光学工業株式会社 内視鏡装置
US5265610A (en) 1991-09-03 1993-11-30 General Electric Company Multi-planar X-ray fluoroscopy system using radiofrequency fields
US5255680A (en) 1991-09-03 1993-10-26 General Electric Company Automatic gantry positioning for imaging systems
EP0531081A1 (de) 1991-09-03 1993-03-10 General Electric Company Spurverfolgungvorrichtung zum Ermitteln der Position und Orientierung eines Gegenstandes mittels Funk-Frequenzfelder
US5211165A (en) 1991-09-03 1993-05-18 General Electric Company Tracking system to follow the position and orientation of a device with radiofrequency field gradients
US5251635A (en) 1991-09-03 1993-10-12 General Electric Company Stereoscopic X-ray fluoroscopy system using radiofrequency fields
US5425367A (en) 1991-09-04 1995-06-20 Navion Biomedical Corporation Catheter depth, position and orientation location system
US5437277A (en) 1991-11-18 1995-08-01 General Electric Company Inductively coupled RF tracking system for use in invasive imaging of a living body
US5453689A (en) 1991-12-06 1995-09-26 Massachusetts Institute Of Technology Magnetometer having periodic winding structure and material property estimator
IL102218A (en) 1992-06-16 2003-06-24 Elbit Systems Ltd Tracker employing a rotating electromagnetic field
US5274328A (en) 1992-07-20 1993-12-28 Magnetek Inc. Temperature compensation for magnetostrictive position detector
US5325873A (en) 1992-07-23 1994-07-05 Abbott Laboratories Tube placement verifier system
JP3432825B2 (ja) 1992-08-14 2003-08-04 ブリテイッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー 位置決定システム
US5553611A (en) 1994-01-06 1996-09-10 Endocardial Solutions, Inc. Endocardial measurement method
US5375596A (en) 1992-09-29 1994-12-27 Hdc Corporation Method and apparatus for determining the position of catheters, tubes, placement guidewires and implantable ports within biological tissue
US5309913A (en) 1992-11-30 1994-05-10 The Cleveland Clinic Foundation Frameless stereotaxy system
DE4300529C2 (de) 1993-01-12 1995-07-13 Andreas Zierdt Verfahren und Vorrichtung zur Bestimmung der räumlichen Anordnung eines richtungsempfindlichen Magnetfeldsensors
AU6666894A (en) 1993-04-22 1994-11-08 Pixsys, Inc. System for locating relative positions of objects
US5347289A (en) * 1993-06-29 1994-09-13 Honeywell, Inc. Method and device for measuring the position and orientation of objects in the presence of interfering metals
US5391199A (en) 1993-07-20 1995-02-21 Biosense, Inc. Apparatus and method for treating cardiac arrhythmias
US5425382A (en) 1993-09-14 1995-06-20 University Of Washington Apparatus and method for locating a medical tube in the body of a patient
US5558091A (en) 1993-10-06 1996-09-24 Biosense, Inc. Magnetic determination of position and orientation
DE69532139T2 (de) 1994-08-19 2004-08-26 Biosense Inc. Medizinisches Diagnose-, Behandlungs- und Darstellungssystem
US5829444A (en) 1994-09-15 1998-11-03 Visualization Technology, Inc. Position tracking and imaging system for use in medical applications
JP3135068B2 (ja) * 1994-09-15 2001-02-13 ビジュアリゼイション テクノロジー インコーポレイテッド 患者の頭部に固定された基準ユニットを用いた医学的応用に使用される位置追跡及び画像生成システム
DE4439691A1 (de) 1994-11-07 1996-05-09 Philips Patentverwaltung Verfahren zur Bestimmung der räumlichen Feldverteilung
US6690963B2 (en) * 1995-01-24 2004-02-10 Biosense, Inc. System for determining the location and orientation of an invasive medical instrument
US6246898B1 (en) * 1995-03-28 2001-06-12 Sonometrics Corporation Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
US5797849A (en) 1995-03-28 1998-08-25 Sonometrics Corporation Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
US5577502A (en) 1995-04-03 1996-11-26 General Electric Company Imaging of interventional devices during medical procedures
FR2734900B1 (fr) 1995-06-01 1997-07-04 Sextant Avionique Procede de determination de la position et de l'orientation d'un systeme mobile, notamment de la ligne de visee dans un viseur de casque
US5729129A (en) 1995-06-07 1998-03-17 Biosense, Inc. Magnetic location system with feedback adjustment of magnetic field generator
US5752513A (en) 1995-06-07 1998-05-19 Biosense, Inc. Method and apparatus for determining position of object
US5592939A (en) 1995-06-14 1997-01-14 Martinelli; Michael A. Method and system for navigating a catheter probe
US5715822A (en) 1995-09-28 1998-02-10 General Electric Company Magnetic resonance devices suitable for both tracking and imaging
US5682886A (en) 1995-12-26 1997-11-04 Musculographics Inc Computer-assisted surgical system
EP0910299B1 (de) 1996-02-15 2003-02-12 Biosense, Inc. Verfahren zum konfigurieren und zur benutzung einer sonde
CA2246340C (en) 1996-02-15 2005-08-16 Biosense, Inc. Catheter calibration and usage monitoring system
ES2241037T3 (es) 1996-02-15 2005-10-16 Biosense Webster, Inc. Determinacion precisa de la posicion de endoscopios.
JP4166277B2 (ja) 1996-02-15 2008-10-15 バイオセンス・ウェブスター・インコーポレイテッド 体内プローブを用いた医療方法および装置
IL125760A (en) * 1996-02-15 2003-07-31 Biosense Inc Movable transmit or receive coils for location system
US5769843A (en) 1996-02-20 1998-06-23 Cormedica Percutaneous endomyocardial revascularization
ES2242213T3 (es) 1996-02-27 2005-11-01 Biosense Webster, Inc. Sistema de localizacion con secuencias de activacion de campos.
CA2253634C (en) 1996-05-06 2004-11-30 Biosense, Inc. Radiator calibration
US5767669A (en) * 1996-06-14 1998-06-16 Ascension Technology Corporation Magnetic field position and orientation measurement system with dynamic eddy current rejection
US5997473A (en) 1996-09-06 1999-12-07 Olympus Optical Co., Ltd. Method of locating a coil which consists of determining the space occupied by a source coil generating a magnetic field
US5831260A (en) 1996-09-10 1998-11-03 Ascension Technology Corporation Hybrid motion tracker
SE9603314D0 (sv) 1996-09-12 1996-09-12 Siemens Elema Ab Förfarande och anordning för att bestämma läget hos en kateter inuti kroppen hos en patient
US6122538A (en) 1997-01-16 2000-09-19 Acuson Corporation Motion--Monitoring method and system for medical devices
AU1616497A (en) 1997-02-13 1998-09-08 Super Dimension Ltd. Six-degree tracking system
US5879297A (en) * 1997-05-08 1999-03-09 Lucent Medical Systems, Inc. System and method to determine the location and orientation of an indwelling medical device
US6147480A (en) * 1997-10-23 2000-11-14 Biosense, Inc. Detection of metal disturbance
GB2331807B (en) 1997-11-15 2002-05-29 Roke Manor Research Catheter tracking system
US6073043A (en) * 1997-12-22 2000-06-06 Cormedica Corporation Measuring position and orientation using magnetic fields
US6239724B1 (en) 1997-12-30 2001-05-29 Remon Medical Technologies, Ltd. System and method for telemetrically providing intrabody spatial position
EP1069859A1 (de) 1998-04-09 2001-01-24 Boston Scientific Limited Systeme mit selbstkalibrierung sowie methoden zum lokalisieren und führen von operativen objekten im inneren von lebenden körpern
US6201987B1 (en) 1998-05-26 2001-03-13 General Electric Company Error compensation for device tracking systems employing electromagnetic fields
US6373240B1 (en) * 1998-10-15 2002-04-16 Biosense, Inc. Metal immune system for tracking spatial coordinates of an object in the presence of a perturbed energy field
US6246231B1 (en) 1999-07-29 2001-06-12 Ascension Technology Corporation Magnetic field permeable barrier for magnetic position measurement system
US6427079B1 (en) 1999-08-09 2002-07-30 Cormedica Corporation Position and orientation measuring with magnetic fields
US6493573B1 (en) 1999-10-28 2002-12-10 Winchester Development Associates Method and system for navigating a catheter probe in the presence of field-influencing objects
US6474341B1 (en) 1999-10-28 2002-11-05 Surgical Navigation Technologies, Inc. Surgical communication and power system
US6172499B1 (en) * 1999-10-29 2001-01-09 Ascension Technology Corporation Eddy current error-reduced AC magnetic position measurement system
US6400139B1 (en) * 1999-11-01 2002-06-04 Polhemus Inc. Methods and apparatus for electromagnetic position and orientation tracking with distortion compensation
US6369564B1 (en) 1999-11-01 2002-04-09 Polhemus, Inc. Electromagnetic position and orientation tracking system with distortion compensation employing wireless sensors
US6484118B1 (en) 2000-07-20 2002-11-19 Biosense, Inc. Electromagnetic position single axis system
JP4288443B2 (ja) * 2000-09-07 2009-07-01 株式会社島津製作所 ヘッドモーショントラッカとその測定値補正方法
US6774624B2 (en) * 2002-03-27 2004-08-10 Ge Medical Systems Global Technology Company, Llc Magnetic tracking system
JP4008341B2 (ja) 2002-12-02 2007-11-14 シャープ株式会社 誤差拡散階調生成方法、誤差拡散階調画像顕示方法および階調生成エンコーダ

Also Published As

Publication number Publication date
KR20040045363A (ko) 2004-06-01
JP2004174244A (ja) 2004-06-24
AU2003262437A1 (en) 2004-06-10
EP1421900A1 (de) 2004-05-26
PT1421900E (pt) 2006-12-29
JP4717341B2 (ja) 2011-07-06
AU2003262437B2 (en) 2008-12-11
EP1421900B1 (de) 2006-10-11
DE60308979T2 (de) 2007-04-12
IL158943A (en) 2010-04-29
CA2450195C (en) 2012-02-07
DE60308979D1 (de) 2006-11-23
US7945309B2 (en) 2011-05-17
CY1106241T1 (el) 2011-06-08
IL158943A0 (en) 2004-05-12
US20040102696A1 (en) 2004-05-27
DK1421900T3 (da) 2007-02-19
CA2450195A1 (en) 2004-05-22
ES2272904T3 (es) 2007-05-01
SI1421900T1 (sl) 2007-04-30

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