IL126864A - Method and apparatus for calibrating a magnetic field generator - Google Patents

Method and apparatus for calibrating a magnetic field generator

Info

Publication number
IL126864A
IL126864A IL12686497A IL12686497A IL126864A IL 126864 A IL126864 A IL 126864A IL 12686497 A IL12686497 A IL 12686497A IL 12686497 A IL12686497 A IL 12686497A IL 126864 A IL126864 A IL 126864A
Authority
IL
Israel
Prior art keywords
calibrating
magnetic field
field generator
generator
magnetic
Prior art date
Application number
IL12686497A
Other languages
English (en)
Other versions
IL126864A0 (en
Original Assignee
Biosense 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=21779667&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL126864(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Biosense Inc filed Critical Biosense Inc
Publication of IL126864A0 publication Critical patent/IL126864A0/xx
Publication of IL126864A publication Critical patent/IL126864A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/24—Arrangements or instruments for measuring magnetic variables involving magnetic resonance for measuring direction or magnitude of magnetic fields or magnetic flux
    • G01R33/246—Spatial mapping of the RF magnetic field B1
    • 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
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/44—Arrangements or instruments for measuring magnetic variables involving magnetic resonance using nuclear magnetic resonance [NMR]
    • G01R33/48—NMR imaging systems
    • G01R33/58—Calibration of imaging systems, e.g. using test probes, Phantoms; Calibration objects or fiducial markers such as active or passive RF coils surrounding an MR active material

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Measuring Magnetic Variables (AREA)
IL12686497A 1996-05-06 1997-05-05 Method and apparatus for calibrating a magnetic field generator IL126864A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1690896P 1996-05-06 1996-05-06
PCT/IL1997/000146 WO1997042517A1 (fr) 1996-05-06 1997-05-05 Etalonnage d'element rayonnant

Publications (2)

Publication Number Publication Date
IL126864A0 IL126864A0 (en) 1999-09-22
IL126864A true IL126864A (en) 2003-05-29

Family

ID=21779667

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12686497A IL126864A (en) 1996-05-06 1997-05-05 Method and apparatus for calibrating a magnetic field generator

Country Status (9)

Country Link
US (1) US6335617B1 (fr)
EP (1) EP0901638B1 (fr)
JP (1) JP4183753B2 (fr)
AU (1) AU722748B2 (fr)
CA (1) CA2253634C (fr)
DE (1) DE69737287T2 (fr)
ES (1) ES2279540T3 (fr)
IL (1) IL126864A (fr)
WO (1) WO1997042517A1 (fr)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147480A (en) * 1997-10-23 2000-11-14 Biosense, Inc. Detection of metal disturbance
AU4644799A (en) * 1998-08-02 2000-03-14 Super Dimension Ltd. Intrabody navigation system for medical applications
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
US7809421B1 (en) * 2000-07-20 2010-10-05 Biosense, Inc. Medical system calibration with static metal compensation
US6484118B1 (en) * 2000-07-20 2002-11-19 Biosense, Inc. Electromagnetic position single axis system
US6564158B1 (en) * 2000-08-17 2003-05-13 Holaday Industries, Inc. Broadband electromagnetic field component measurement system
US7091412B2 (en) * 2002-03-04 2006-08-15 Nanoset, Llc Magnetically shielded assembly
US20040210289A1 (en) * 2002-03-04 2004-10-21 Xingwu Wang Novel nanomagnetic particles
US7162302B2 (en) * 2002-03-04 2007-01-09 Nanoset Llc Magnetically shielded assembly
US20040017192A1 (en) * 2002-04-15 2004-01-29 Clymer Technologies, Llc 3-axis magnetic angular orientation sensor
US7998062B2 (en) 2004-03-29 2011-08-16 Superdimension, Ltd. Endoscope structures and techniques for navigating to a target in branched structure
US7166114B2 (en) * 2002-09-18 2007-01-23 Stryker Leibinger Gmbh & Co Kg Method and system for calibrating a surgical tool and adapter thereof
US7945309B2 (en) 2002-11-22 2011-05-17 Biosense, Inc. Dynamic metal immunity
DE10307580B3 (de) * 2003-02-22 2004-06-03 Rheinmetall Defence Electronics Gmbh Verfahren zum Bestimmen und Verfolgen von Position und Orientierung eines Magnetfeldsensors
US20070010702A1 (en) * 2003-04-08 2007-01-11 Xingwu Wang Medical device with low magnetic susceptibility
US20050149169A1 (en) * 2003-04-08 2005-07-07 Xingwu Wang Implantable medical device
US20060102871A1 (en) * 2003-04-08 2006-05-18 Xingwu Wang Novel composition
US20050149002A1 (en) * 2003-04-08 2005-07-07 Xingwu Wang Markers for visualizing interventional medical devices
US20040254419A1 (en) * 2003-04-08 2004-12-16 Xingwu Wang Therapeutic assembly
US20050155779A1 (en) * 2003-04-08 2005-07-21 Xingwu Wang Coated substrate assembly
US20050119725A1 (en) * 2003-04-08 2005-06-02 Xingwu Wang Energetically controlled delivery of biologically active material from an implanted medical device
US20050079132A1 (en) * 2003-04-08 2005-04-14 Xingwu Wang Medical device with low magnetic susceptibility
US20050025797A1 (en) * 2003-04-08 2005-02-03 Xingwu Wang Medical device with low magnetic susceptibility
US7090639B2 (en) * 2003-05-29 2006-08-15 Biosense, Inc. Ultrasound catheter calibration system
EP2316328B1 (fr) 2003-09-15 2012-05-09 Super Dimension Ltd. Dispositif de fixation à enroulement pour utilisation avec des bronchoscopes
DE602004022432D1 (de) 2003-09-15 2009-09-17 Super Dimension Ltd System aus zubehör zur verwendung mit bronchoskopen
US20070149496A1 (en) * 2003-10-31 2007-06-28 Jack Tuszynski Water-soluble compound
US7771436B2 (en) * 2003-12-10 2010-08-10 Stryker Leibinger Gmbh & Co. Kg. Surgical navigation tracker, system and method
US7873400B2 (en) * 2003-12-10 2011-01-18 Stryker Leibinger Gmbh & Co. Kg. Adapter for surgical navigation trackers
US20050154279A1 (en) * 2003-12-31 2005-07-14 Wenguang Li System and method for registering an image with a representation of a probe
US7966058B2 (en) 2003-12-31 2011-06-21 General Electric Company System and method for registering an image with a representation of a probe
US20050154282A1 (en) * 2003-12-31 2005-07-14 Wenguang Li System and method for registering an image with a representation of a probe
US20050154286A1 (en) * 2004-01-02 2005-07-14 Neason Curtis G. System and method for receiving and displaying information pertaining to a patient
US20050154285A1 (en) * 2004-01-02 2005-07-14 Neason Curtis G. System and method for receiving and displaying information pertaining to a patient
US8764725B2 (en) 2004-02-09 2014-07-01 Covidien Lp Directional anchoring mechanism, method and applications thereof
US20050209524A1 (en) * 2004-03-10 2005-09-22 General Electric Company System and method for receiving and storing information pertaining to a patient
US20050249667A1 (en) * 2004-03-24 2005-11-10 Tuszynski Jack A Process for treating a biological organism
US20050228251A1 (en) * 2004-03-30 2005-10-13 General Electric Company System and method for displaying a three-dimensional image of an organ or structure inside the body
US20050222509A1 (en) * 2004-04-02 2005-10-06 General Electric Company Electrophysiology system and method
US20050228252A1 (en) * 2004-04-02 2005-10-13 General Electric Company Electrophysiology system and method
US20060118758A1 (en) * 2004-09-15 2006-06-08 Xingwu Wang Material to enable magnetic resonance imaging of implantable medical devices
EP3492008B1 (fr) 2005-09-13 2021-06-02 Veran Medical Technologies, Inc. Appareil et procédé de vérification de précision guidée par image
US20070066881A1 (en) 2005-09-13 2007-03-22 Edwards Jerome R Apparatus and method for image guided accuracy verification
US8082020B2 (en) * 2006-08-07 2011-12-20 Biosense Webster, Inc. Distortion-immune position tracking using redundant magnetic field measurements
EP2086399B1 (fr) 2006-11-10 2017-08-09 Covidien LP Technique de guidage adaptative destinée à guider un cathéter dans une cavité ou un canal corporel
US20080167639A1 (en) * 2007-01-08 2008-07-10 Superdimension Ltd. Methods for localized intra-body treatment of tissue
ES2326448B1 (es) * 2007-02-14 2010-07-05 Fco. Javier Porras Vila Magnetometro.
WO2009074872A2 (fr) 2007-07-09 2009-06-18 Superdimension, Ltd. Modélisation de la respiration d'un patient
US7826999B1 (en) 2007-08-20 2010-11-02 Pni Corporation Magnetic tilt compensated heading compass with adaptive zoffset
US8905920B2 (en) 2007-09-27 2014-12-09 Covidien Lp Bronchoscope adapter and method
US8535308B2 (en) * 2007-10-08 2013-09-17 Biosense Webster (Israel), Ltd. High-sensitivity pressure-sensing probe
US8357152B2 (en) 2007-10-08 2013-01-22 Biosense Webster (Israel), Ltd. Catheter with pressure sensing
US7759941B2 (en) * 2008-02-07 2010-07-20 Geonics Limited Ground conductivity meter with automatic calibration
WO2009122273A2 (fr) 2008-04-03 2009-10-08 Superdimension, Ltd. Système et procédé de détection d'interférence magnétique
US8218846B2 (en) 2008-05-15 2012-07-10 Superdimension, Ltd. Automatic pathway and waypoint generation and navigation method
WO2009147671A1 (fr) 2008-06-03 2009-12-10 Superdimension Ltd. Procédé d'alignement basé sur des caractéristiques
US8437832B2 (en) * 2008-06-06 2013-05-07 Biosense Webster, Inc. Catheter with bendable tip
US8218847B2 (en) 2008-06-06 2012-07-10 Superdimension, Ltd. Hybrid registration method
US8932207B2 (en) 2008-07-10 2015-01-13 Covidien Lp Integrated multi-functional endoscopic tool
US9101734B2 (en) * 2008-09-09 2015-08-11 Biosense Webster, Inc. Force-sensing catheter with bonded center strut
US9326700B2 (en) 2008-12-23 2016-05-03 Biosense Webster (Israel) Ltd. Catheter display showing tip angle and pressure
US8475450B2 (en) * 2008-12-30 2013-07-02 Biosense Webster, Inc. Dual-purpose lasso catheter with irrigation
US8600472B2 (en) * 2008-12-30 2013-12-03 Biosense Webster (Israel), Ltd. Dual-purpose lasso catheter with irrigation using circumferentially arranged ring bump electrodes
US8319491B2 (en) * 2009-02-03 2012-11-27 Infineon Technologies Ag System including circuit that determines calibration values
US20100249577A1 (en) * 2009-03-24 2010-09-30 Schneider Mark R Synergistic Electromagnetic Tracking With TMS Systems
US8611984B2 (en) 2009-04-08 2013-12-17 Covidien Lp Locatable catheter
WO2011066445A2 (fr) 2009-11-30 2011-06-03 Medwaves, Inc. Système d'ablation radio fréquence avec capteur de suivi
US10688278B2 (en) * 2009-11-30 2020-06-23 Biosense Webster (Israel), Ltd. Catheter with pressure measuring tip
US8920415B2 (en) 2009-12-16 2014-12-30 Biosense Webster (Israel) Ltd. Catheter with helical electrode
US8374819B2 (en) * 2009-12-23 2013-02-12 Biosense Webster (Israel), Ltd. Actuator-based calibration system for a pressure-sensitive catheter
US8521462B2 (en) 2009-12-23 2013-08-27 Biosense Webster (Israel), Ltd. Calibration system for a pressure-sensitive catheter
US8529476B2 (en) 2009-12-28 2013-09-10 Biosense Webster (Israel), Ltd. Catheter with strain gauge sensor
US8608735B2 (en) * 2009-12-30 2013-12-17 Biosense Webster (Israel) Ltd. Catheter with arcuate end section
US8374670B2 (en) * 2010-01-22 2013-02-12 Biosense Webster, Inc. Catheter having a force sensing distal tip
AU2011210257B2 (en) 2010-02-01 2013-12-19 Covidien Lp Region-growing algorithm
US8798952B2 (en) 2010-06-10 2014-08-05 Biosense Webster (Israel) Ltd. Weight-based calibration system for a pressure sensitive catheter
US10582834B2 (en) 2010-06-15 2020-03-10 Covidien Lp Locatable expandable working channel and method
US8226580B2 (en) 2010-06-30 2012-07-24 Biosense Webster (Israel), Ltd. Pressure sensing for a multi-arm catheter
US8380276B2 (en) 2010-08-16 2013-02-19 Biosense Webster, Inc. Catheter with thin film pressure sensing distal tip
US8696549B2 (en) 2010-08-20 2014-04-15 Veran Medical Technologies, Inc. Apparatus and method for four dimensional soft tissue navigation in endoscopic applications
US8731859B2 (en) 2010-10-07 2014-05-20 Biosense Webster (Israel) Ltd. Calibration system for a force-sensing catheter
US8979772B2 (en) 2010-11-03 2015-03-17 Biosense Webster (Israel), Ltd. Zero-drift detection and correction in contact force measurements
FR2972795B1 (fr) * 2011-03-15 2013-10-11 Crouzet Automatismes Capteur inductif de proximite et procede de montage dudit capteur
US9220433B2 (en) 2011-06-30 2015-12-29 Biosense Webster (Israel), Ltd. Catheter with variable arcuate distal section
US9662169B2 (en) 2011-07-30 2017-05-30 Biosense Webster (Israel) Ltd. Catheter with flow balancing valve
US20130303944A1 (en) 2012-05-14 2013-11-14 Intuitive Surgical Operations, Inc. Off-axis electromagnetic sensor
US9387048B2 (en) 2011-10-14 2016-07-12 Intuitive Surgical Operations, Inc. Catheter sensor systems
US9452276B2 (en) 2011-10-14 2016-09-27 Intuitive Surgical Operations, Inc. Catheter with removable vision probe
US10238837B2 (en) 2011-10-14 2019-03-26 Intuitive Surgical Operations, Inc. Catheters with control modes for interchangeable probes
US9687289B2 (en) 2012-01-04 2017-06-27 Biosense Webster (Israel) Ltd. Contact assessment based on phase measurement
WO2013126659A1 (fr) 2012-02-22 2013-08-29 Veran Medical Technologies, Inc. Systèmes, procédés et dispositifs pour une navigation à quatre dimensions dans un tissu mou
US8659297B2 (en) 2012-02-27 2014-02-25 Perinatronics Medical Systems, Inc. Reducing noise in magnetic resonance imaging using conductive loops
US8818486B2 (en) 2012-07-12 2014-08-26 Biosense Webster (Israel) Ltd. Position and orientation algorithm for a single axis sensor
US9638820B2 (en) * 2014-03-03 2017-05-02 Biosense Webster (Israel) Ltd. Calibration jig for a flat location pad
US20150305612A1 (en) 2014-04-23 2015-10-29 Mark Hunter Apparatuses and methods for registering a real-time image feed from an imaging device to a steerable catheter
US20150305650A1 (en) 2014-04-23 2015-10-29 Mark Hunter Apparatuses and methods for endobronchial navigation to and confirmation of the location of a target tissue and percutaneous interception of the target tissue
US10952593B2 (en) 2014-06-10 2021-03-23 Covidien Lp Bronchoscope adapter
WO2016092395A1 (fr) * 2014-12-11 2016-06-16 Koninklijke Philips N.V. Sélection automatique d'étalonnage optimal dans des procédés d'intervention avec suivi
CA2919901A1 (fr) 2015-02-04 2016-08-04 Hossein Sadjadi Methode et appareil de suivi electromagnetique ameliore et de reperage
US10426555B2 (en) 2015-06-03 2019-10-01 Covidien Lp Medical instrument with sensor for use in a system and method for electromagnetic navigation
US10687761B2 (en) 2015-12-23 2020-06-23 Biosense Webster (Israel) Ltd. Catheter frame pieces used as large single axis sensors
US10478254B2 (en) 2016-05-16 2019-11-19 Covidien Lp System and method to access lung tissue
US10119837B2 (en) 2016-07-06 2018-11-06 Biosense Webster (Israel) Ltd. Magnetic-field generating circuit for a tracking system
US10751126B2 (en) 2016-10-28 2020-08-25 Covidien Lp System and method for generating a map for electromagnetic navigation
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
US10418705B2 (en) 2016-10-28 2019-09-17 Covidien Lp Electromagnetic navigation antenna assembly and electromagnetic navigation system including the same
US10615500B2 (en) 2016-10-28 2020-04-07 Covidien Lp System and method for designing electromagnetic navigation antenna assemblies
US10638952B2 (en) 2016-10-28 2020-05-05 Covidien Lp Methods, systems, and computer-readable media for calibrating an electromagnetic navigation system
US10446931B2 (en) 2016-10-28 2019-10-15 Covidien Lp Electromagnetic navigation antenna assembly and electromagnetic navigation system including the same
EP3531950A4 (fr) * 2016-10-28 2020-05-27 Covidien LP Système et procédé pour identifier l'emplacement et/ou l'orientation d'un capteur électromagnétique sur la base d'une carte
US10517505B2 (en) 2016-10-28 2019-12-31 Covidien Lp Systems, methods, and computer-readable media for optimizing an electromagnetic navigation system
US10792106B2 (en) 2016-10-28 2020-10-06 Covidien Lp System for calibrating an electromagnetic navigation system
US11219489B2 (en) 2017-10-31 2022-01-11 Covidien Lp Devices and systems for providing sensors in parallel with medical tools
CA3030409A1 (fr) 2018-01-19 2019-07-19 Ascension Technology Corporation Etalonnage d'un emetteur-recepteur magnetique
CA3030247A1 (fr) 2018-01-19 2019-07-19 Ascension Technology Corporation Etalonnage d'un capteur magnetique
US10955493B2 (en) 2018-05-02 2021-03-23 Analog Devices Global Unlimited Company Magnetic sensor systems
DE102020110212A1 (de) * 2019-04-16 2020-10-22 Ascension Technology Corporation Positions- und Orientierungsbestimmung mit einer Helmholtz-Vorrichtung
US12089902B2 (en) 2019-07-30 2024-09-17 Coviden Lp Cone beam and 3D fluoroscope lung navigation
US11504023B2 (en) * 2019-12-16 2022-11-22 Biosense Webster (Israel) Ltd. Sparse calibration of magnetic field created by coils in metal-rich environment
CN113768535B (zh) * 2021-08-23 2024-06-28 武汉库柏特科技有限公司 一种遥操作用超声仿型探头姿态自校准方法、系统及装置

Family Cites Families (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3361963A (en) * 1964-08-10 1968-01-02 Atomic Energy Commission Usa Precision indexing positioner
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
US4017858A (en) 1973-07-30 1977-04-12 Polhemus Navigation Sciences, Inc. Apparatus for generating a nutating electromagnetic field
US3868565A (en) 1973-07-30 1975-02-25 Jack Kuipers Object tracking and orientation determination means, system and process
US4054881A (en) 1976-04-26 1977-10-18 The Austin Company Remote object position locater
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
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
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
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
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
DE68909355T2 (de) 1988-09-02 1994-03-31 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
EP0419729A1 (fr) 1989-09-29 1991-04-03 Siemens Aktiengesellschaft Localisation d'un cathéter à l'aide de champs non ionisants
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
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
US5253647A (en) 1990-04-13 1993-10-19 Olympus Optical Co., Ltd. Insertion position and orientation state pickup for endoscope
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
US5251635A (en) 1991-09-03 1993-10-12 General Electric Company Stereoscopic X-ray fluoroscopy system using radiofrequency fields
US5265610A (en) 1991-09-03 1993-11-30 General Electric Company Multi-planar X-ray fluoroscopy system using radiofrequency fields
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
US5255680A (en) 1991-09-03 1993-10-26 General Electric Company Automatic gantry positioning for imaging systems
JP2735747B2 (ja) 1991-09-03 1998-04-02 ゼネラル・エレクトリック・カンパニイ 追跡及びイメージング・システム
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
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
JP3204542B2 (ja) * 1992-07-24 2001-09-04 株式会社東芝 磁場源測定装置
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
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
ZA942812B (en) 1993-04-22 1995-11-22 Pixsys Inc System for locating the relative positions of objects in three dimensional space
WO1996005768A1 (fr) 1994-08-19 1996-02-29 Biosense, Inc. Systemes medicaux de diagnostic, de traitement et d'imagerie
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
DE4439691A1 (de) * 1994-11-07 1996-05-09 Philips Patentverwaltung Verfahren zur Bestimmung der räumlichen Feldverteilung
US5497082A (en) 1995-01-25 1996-03-05 Honeywell Inc. Quadrature detector with a hall effect element and a magnetoresistive element
US5577502A (en) 1995-04-03 1996-11-26 General Electric Company Imaging of interventional devices during medical procedures
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
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
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
WO1997029678A2 (fr) 1996-02-15 1997-08-21 Biosense Inc. Systeme de controle de l'etalonnage et de l'utilisation d'un catheter
AU721158B2 (en) 1996-02-15 2000-06-22 Biosense, Inc. Medical probes with field transducers
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.

Also Published As

Publication number Publication date
EP0901638A1 (fr) 1999-03-17
AU722748B2 (en) 2000-08-10
JP4183753B2 (ja) 2008-11-19
EP0901638A4 (fr) 2001-04-18
CA2253634A1 (fr) 1997-11-13
US6335617B1 (en) 2002-01-01
CA2253634C (fr) 2004-11-30
EP0901638B1 (fr) 2007-01-24
WO1997042517A1 (fr) 1997-11-13
JP2000512005A (ja) 2000-09-12
DE69737287D1 (de) 2007-03-15
ES2279540T3 (es) 2007-08-16
IL126864A0 (en) 1999-09-22
DE69737287T2 (de) 2007-11-15
AU2648797A (en) 1997-11-26

Similar Documents

Publication Publication Date Title
IL126864A (en) Method and apparatus for calibrating a magnetic field generator
HUP9902862A3 (en) A method and apparatus for generating an aerosol
SG49963A1 (en) Method and apparatus for locating electrical circuit members
IL130521A0 (en) Method and apparatus for thermionic generator
IL116183A0 (en) Method and apparatus for testing a digital communi
ZA962797B (en) A method and an apparatus for analysing a material
HK1018378A1 (en) Method and apparatus for establishing an activation date for a
GB2289342B (en) Method and apparatus for locating a buried element
GB9903530D0 (en) An apparatus and a method for a telecommunication system
EP1025337A4 (fr) Procede et appareil rattrape-objet
EP0711037A3 (fr) Dispositif et procédé de génération d'un signal
GB2289166B (en) Winding apparatus and method
EP0760698A4 (fr) Appareil et procede permettant de produire une force antigravitationnelle
GB9711202D0 (en) Method and apparatus for generating a bitmap
EP0885488A4 (fr) Procede et appareil de generation d'une transformee
EP0993676A4 (fr) Appareil et procede de traitement de materiaux a l'aide d'un champ magnetique
GB2317281B (en) A method and apparatus for frequency control
SG43408A1 (en) Winding apparatus and method
GB9815016D0 (en) Method and apparatus for rewinding
EP0894016A4 (fr) Appareil et procede de mise en place d'un catheter
GB9822412D0 (en) Winding method and apparatus
GB2318542B (en) A method of and apparatus for blow-moulding
GB9707210D0 (en) A method and apparatus for scanning a magnetic structure
GB2304198B (en) Apparatus and method for testing
GB9603695D0 (en) Method and apparatus for monitoring a varying magnetic field

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
KB Patent renewed
EXP Patent expired