DE69529662T2 - Magnetfelddetektoreinheit - Google Patents

Magnetfelddetektoreinheit

Info

Publication number
DE69529662T2
DE69529662T2 DE69529662T DE69529662T DE69529662T2 DE 69529662 T2 DE69529662 T2 DE 69529662T2 DE 69529662 T DE69529662 T DE 69529662T DE 69529662 T DE69529662 T DE 69529662T DE 69529662 T2 DE69529662 T2 DE 69529662T2
Authority
DE
Germany
Prior art keywords
magnetic field
detector unit
field detector
unit
magnetic
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.)
Expired - Fee Related
Application number
DE69529662T
Other languages
English (en)
Other versions
DE69529662D1 (de
Inventor
Johan Lidman
Kenth Nilsson
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.)
St Jude Medical AB
Original Assignee
St Jude Medical AB
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 St Jude Medical AB filed Critical St Jude Medical AB
Application granted granted Critical
Publication of DE69529662D1 publication Critical patent/DE69529662D1/de
Publication of DE69529662T2 publication Critical patent/DE69529662T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/372—Arrangements in connection with the implantation of stimulators
    • A61N1/37211—Means for communicating with stimulators
    • A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
    • A61N1/37223—Circuits for electromagnetic coupling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/18—Applying electric currents by contact electrodes
    • A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
    • A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A61N1/3718—Monitoring of or protection against external electromagnetic fields or currents
DE69529662T 1994-12-15 1995-11-24 Magnetfelddetektoreinheit Expired - Fee Related DE69529662T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9404374A SE9404374D0 (sv) 1994-12-15 1994-12-15 Magnetfältsdetektor

Publications (2)

Publication Number Publication Date
DE69529662D1 DE69529662D1 (de) 2003-03-27
DE69529662T2 true DE69529662T2 (de) 2003-10-16

Family

ID=20396354

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69529662T Expired - Fee Related DE69529662T2 (de) 1994-12-15 1995-11-24 Magnetfelddetektoreinheit

Country Status (5)

Country Link
US (2) US5662694A (de)
EP (1) EP0718010B1 (de)
JP (1) JPH08215323A (de)
DE (1) DE69529662T2 (de)
SE (1) SE9404374D0 (de)

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US6084406A (en) * 1997-04-01 2000-07-04 Precision Navigation, Inc. Half-cycle saturable-core magnetometer circuit
US5998980A (en) * 1998-04-16 1999-12-07 Microchip Technology Incorporated Highly efficient multi-frequency voltage regulating circuit incorporating a magnetic field power sensor and programmable magnetic field detection
US5873733A (en) * 1998-01-23 1999-02-23 Sulzer Intermedics Inc. Training unit for the pacemaker emergency intervention system using magnetic entry code
US6175752B1 (en) 1998-04-30 2001-01-16 Therasense, Inc. Analyte monitoring device and methods of use
US8346337B2 (en) 1998-04-30 2013-01-01 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
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US8480580B2 (en) 1998-04-30 2013-07-09 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
US8974386B2 (en) 1998-04-30 2015-03-10 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
US9066695B2 (en) 1998-04-30 2015-06-30 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
US8465425B2 (en) 1998-04-30 2013-06-18 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
US8688188B2 (en) 1998-04-30 2014-04-01 Abbott Diabetes Care Inc. Analyte monitoring device and methods of use
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US6580947B1 (en) 2000-03-10 2003-06-17 Medtronic, Inc. Magnetic field sensor for an implantable medical device
FR2806808B1 (fr) * 2000-03-24 2002-05-24 Ela Medical Sa Circuit de detection de la presence d'un aimant permanent au voisinage d'un dispositif medical actif, notamment d'un stimulateur cardiaque, defibrillateur, cardioverteur et/ou dispositif multisite
US6560471B1 (en) 2001-01-02 2003-05-06 Therasense, Inc. Analyte monitoring device and methods of use
US7041468B2 (en) 2001-04-02 2006-05-09 Therasense, Inc. Blood glucose tracking apparatus and methods
DE10136642A1 (de) * 2001-07-20 2003-02-06 Biotronik Mess & Therapieg Medizinisches Einweggerät
US7729776B2 (en) 2001-12-19 2010-06-01 Cardiac Pacemakers, Inc. Implantable medical device with two or more telemetry systems
US6993393B2 (en) 2001-12-19 2006-01-31 Cardiac Pacemakers, Inc. Telemetry duty cycle management system for an implantable medical device
US6937906B2 (en) * 2002-01-29 2005-08-30 Medtronic, Inc. Method and apparatus for detecting static magnetic fields
US7050855B2 (en) * 2002-01-29 2006-05-23 Medtronic, Inc. Medical implantable system for reducing magnetic resonance effects
US7082328B2 (en) 2002-01-29 2006-07-25 Medtronic, Inc. Methods and apparatus for controlling a pacing system in the presence of EMI
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US7024249B2 (en) * 2002-02-21 2006-04-04 Alfred E. Mann Foundation For Scientific Research Pulsed magnetic control system for interlocking functions of battery powered living tissue stimulators
US8111165B2 (en) 2002-10-02 2012-02-07 Orthocare Innovations Llc Active on-patient sensor, method and system
US7242981B2 (en) * 2003-06-30 2007-07-10 Codman Neuro Sciences Sárl System and method for controlling an implantable medical device subject to magnetic field or radio frequency exposure
US7231251B2 (en) * 2003-08-14 2007-06-12 Cardiac Pacemakers, Inc. EMI detection for implantable medical devices
US8332011B2 (en) * 2003-09-29 2012-12-11 Medtronic, Inc. Controlling blanking during magnetic resonance imaging
US7450998B2 (en) 2003-11-21 2008-11-11 Alfred E. Mann Foundation For Scientific Research Method of placing an implantable device proximate to neural/muscular tissue
US7228182B2 (en) * 2004-03-15 2007-06-05 Cardiac Pacemakers, Inc. Cryptographic authentication for telemetry with an implantable medical device
WO2005099817A1 (en) 2004-04-07 2005-10-27 Cardiac Pacemakers, Inc. Rf wake-up of implantable medical device
US7794499B2 (en) 2004-06-08 2010-09-14 Theken Disc, L.L.C. Prosthetic intervertebral spinal disc with integral microprocessor
US7881802B2 (en) * 2004-08-09 2011-02-01 Cardiac Pacemakers, Inc. Telemetry switchover state machine with firmware priority control
US7539541B2 (en) 2004-08-09 2009-05-26 Cardiac Pacemakers, Inc. Automatic power control for a radio frequency transceiver of an implantable device
US7406349B2 (en) * 2004-08-09 2008-07-29 Cardiac Pacemakers, Inc. Dynamic telemetry link selection for an implantable device
US7890180B2 (en) 2004-08-09 2011-02-15 Cardiac Pacemakers, Inc. Secure remote access for an implantable medical device
US7561915B1 (en) 2004-12-17 2009-07-14 Cardiac Pacemakers, Inc. MRI system having implantable device safety features
US8014867B2 (en) 2004-12-17 2011-09-06 Cardiac Pacemakers, Inc. MRI operation modes for implantable medical devices
US7369898B1 (en) * 2004-12-22 2008-05-06 Pacesetter, Inc. System and method for responding to pulsed gradient magnetic fields using an implantable medical device
US7218969B2 (en) * 2005-01-19 2007-05-15 Cardiac Pacemakers, Inc. Dynamic channel selection for RF telemetry with implantable device
US20060173295A1 (en) * 2005-01-26 2006-08-03 Zeijlemaker Volkert A Apparatus for detecting strong magnetic fields for protection of medical devices
US7610065B2 (en) 2005-02-28 2009-10-27 Cardiac Pacemakers, Inc. Method and apparatus for antenna selection in a diversity antenna system for communicating with implantable medical device
US7868779B2 (en) * 2005-04-04 2011-01-11 Codman NeuroSciences Sárl Circuitry for powering on and maintaining activation of a powered off electronic component
US7664553B2 (en) 2005-04-27 2010-02-16 Cardiac Pacemakers, Inc. System and method for enabling communications with implantable medical devices
US9168383B2 (en) 2005-10-14 2015-10-27 Pacesetter, Inc. Leadless cardiac pacemaker with conducted communication
US8457742B2 (en) 2005-10-14 2013-06-04 Nanostim, Inc. Leadless cardiac pacemaker system for usage in combination with an implantable cardioverter-defibrillator
US7383734B2 (en) * 2006-01-31 2008-06-10 Medtronic, Inc. Simulation of magnetic field induced vibrations in implantable medical devices
US7509167B2 (en) 2006-02-16 2009-03-24 Cardiac Pacemakers, Inc. MRI detector for implantable medical device
US7693568B2 (en) * 2006-03-30 2010-04-06 Medtronic, Inc. Medical device sensing and detection during MRI
US9549688B2 (en) * 2006-04-24 2017-01-24 Medtronic, Inc. Implantable medical device detection
US8805526B2 (en) 2006-05-03 2014-08-12 Cardiac Pacemakers, Inc. Configurable medical telemetry radio system
WO2007143225A2 (en) 2006-06-07 2007-12-13 Abbott Diabetes Care, Inc. Analyte monitoring system and method
US8185204B2 (en) 2006-07-12 2012-05-22 Cardiac Pacemakers, Inc. Implantable medical device telemetry with adaptive frequency hopping
US9561053B2 (en) 2007-04-25 2017-02-07 Medtronic, Inc. Implant tool to facilitate medical device implantation
US9399130B2 (en) 2007-04-25 2016-07-26 Medtronic, Inc. Cannula configured to deliver test stimulation
US8032228B2 (en) 2007-12-06 2011-10-04 Cardiac Pacemakers, Inc. Method and apparatus for disconnecting the tip electrode during MRI
US8086321B2 (en) 2007-12-06 2011-12-27 Cardiac Pacemakers, Inc. Selectively connecting the tip electrode during therapy for MRI shielding
WO2009075814A1 (en) * 2007-12-12 2009-06-18 Cardiac Pacemakers, Inc. Implantable medical device with hall sensor
US8311637B2 (en) 2008-02-11 2012-11-13 Cardiac Pacemakers, Inc. Magnetic core flux canceling of ferrites in MRI
US8160717B2 (en) 2008-02-19 2012-04-17 Cardiac Pacemakers, Inc. Model reference identification and cancellation of magnetically-induced voltages in a gradient magnetic field
US7755349B2 (en) * 2008-03-03 2010-07-13 Memsic, Inc. Correcting offset in magneto-resistive devices
US8571661B2 (en) 2008-10-02 2013-10-29 Cardiac Pacemakers, Inc. Implantable medical device responsive to MRI induced capture threshold changes
US8527068B2 (en) 2009-02-02 2013-09-03 Nanostim, Inc. Leadless cardiac pacemaker with secondary fixation capability
WO2010096138A1 (en) 2009-02-19 2010-08-26 Cardiac Pacemakers, Inc. Systems and methods for providing arrhythmia therapy in mri environments
EP2509682B1 (de) 2009-12-08 2015-01-14 Cardiac Pacemakers, Inc. Implantierbare medizinische vorrichtung mit automatischer erkennung und kontrolle von tachykardie in mri-umgebungen
US9919158B2 (en) 2009-12-29 2018-03-20 Medtronic, Inc. Configuring operating parameters of a medical device based on exposure to a disruptive energy field
US8391992B2 (en) 2009-12-30 2013-03-05 Cardiac Pacemakers, Inc. Implantable medical device switching power supply including multiple modes
CN103249452A (zh) 2010-10-12 2013-08-14 内诺斯蒂姆股份有限公司 用于无引线心脏起博器的温度传感器
US9020611B2 (en) 2010-10-13 2015-04-28 Pacesetter, Inc. Leadless cardiac pacemaker with anti-unscrewing feature
US8983606B2 (en) 2010-10-29 2015-03-17 Medtronic, Inc. Enhanced sensing by an implantable medical device in the presence of an interfering signal from an external source
US8744578B2 (en) * 2010-10-29 2014-06-03 Medtronic, Inc. Staged sensing adjustments by an implantable medical device in the presence of interfering signals
US8615310B2 (en) 2010-12-13 2013-12-24 Pacesetter, Inc. Delivery catheter systems and methods
US9126032B2 (en) 2010-12-13 2015-09-08 Pacesetter, Inc. Pacemaker retrieval systems and methods
EP2654889B1 (de) 2010-12-20 2017-03-01 Pacesetter, Inc. Elektrodenloser schrittmacher mit radialem befestigungsmechanismus
US10391320B2 (en) 2011-01-28 2019-08-27 Medtronic, Inc. Techniques for detecting magnetic resonance imaging field
US9950179B2 (en) * 2011-10-28 2018-04-24 Medtronic, Inc. Medical devices for trial stimulation
US9511236B2 (en) 2011-11-04 2016-12-06 Pacesetter, Inc. Leadless cardiac pacemaker with integral battery and redundant welds
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US9283397B2 (en) 2012-01-31 2016-03-15 Christopher C. Stancer Charge control for high voltage therapy energy storage component
US9981124B2 (en) 2012-04-26 2018-05-29 Medtronic, Inc. Devices and techniques for detecting magnetic resonance imaging field
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US9641012B2 (en) 2014-04-18 2017-05-02 Medtronic, Inc. Methods, implantable medical devices, and systems that abort a high voltage charge when a transformer is impaired
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US3659591A (en) * 1970-08-24 1972-05-02 Doll Research Electromagnetic flowmeter
US4611127A (en) * 1984-09-20 1986-09-09 Telectronics N.V. Electronic sensor for static magnetic field
US4541431A (en) * 1984-09-20 1985-09-17 Telectronics Pty. Ltd. Use of telemetry coil to replace magnetically activated reed switch in implantable devices
DE3525070A1 (de) * 1985-07-13 1987-01-22 Honeywell Regelsysteme Gmbh Magnetfeldsensor
WO1994012238A1 (en) * 1992-11-24 1994-06-09 Medtronic, Inc. Implantable medical device with magnetically actuated switch
SE9400622D0 (sv) * 1994-02-23 1994-02-23 Siemens Elema Ab Medicinskt implantat

Also Published As

Publication number Publication date
JPH08215323A (ja) 1996-08-27
SE9404374D0 (sv) 1994-12-15
US5694952A (en) 1997-12-09
EP0718010A1 (de) 1996-06-26
US5662694A (en) 1997-09-02
EP0718010B1 (de) 2003-02-19
DE69529662D1 (de) 2003-03-27

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Legal Events

Date Code Title Description
8328 Change in the person/name/address of the agent

Representative=s name: KRAMER - BARSKE - SCHMIDTCHEN, 81245 MUENCHEN

8339 Ceased/non-payment of the annual fee