WO2006124132A3 - Methods and apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation - Google Patents

Methods and apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation Download PDF

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Publication number
WO2006124132A3
WO2006124132A3 PCT/US2006/012118 US2006012118W WO2006124132A3 WO 2006124132 A3 WO2006124132 A3 WO 2006124132A3 US 2006012118 W US2006012118 W US 2006012118W WO 2006124132 A3 WO2006124132 A3 WO 2006124132A3
Authority
WO
WIPO (PCT)
Prior art keywords
ray radiation
implantable medical
threshold
methods
medical devices
Prior art date
Application number
PCT/US2006/012118
Other languages
French (fr)
Other versions
WO2006124132A9 (en
WO2006124132A2 (en
Inventor
Wesley J Clement
Hiroshi Fujimoto
Jeffrey D Wilkinson
John R Buysman
Girard B Borgerding
Original Assignee
Medtronic Inc
Wesley J Clement
Hiroshi Fujimoto
Jeffrey D Wilkinson
John R Buysman
Girard B Borgerding
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 Medtronic Inc, Wesley J Clement, Hiroshi Fujimoto, Jeffrey D Wilkinson, John R Buysman, Girard B Borgerding filed Critical Medtronic Inc
Priority to DE602006006560T priority Critical patent/DE602006006560D1/en
Priority to EP06784341A priority patent/EP1871471B1/en
Priority to AT06784341T priority patent/ATE429954T1/en
Publication of WO2006124132A2 publication Critical patent/WO2006124132A2/en
Publication of WO2006124132A9 publication Critical patent/WO2006124132A9/en
Publication of WO2006124132A3 publication Critical patent/WO2006124132A3/en

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
    • A61N1/362—Heart stimulators
    • A61N1/37—Monitoring; Protecting
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • A61B5/307—Input circuits therefor specially adapted for particular uses
    • A61B5/308—Input circuits therefor specially adapted for particular uses for electrocardiography [ECG]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/30—Input circuits therefor
    • 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

Abstract

An implantable medical device (IMD) includes a detector for detecting the presence of x-ray radiation, where the presence of x-ray radiation is detected in response to the strength of the x-ray radiation exceeding a first threshold. In one embodiment, the IMD includes a processor for adjusting a cardiac stimulation rate in response to determining that the strength of the detected x-ray radiation exceeds a second threshold. The second pre-selected x-ray radiation threshold is greater than the first pre-selected x-ray radiation threshold. In another embodiment, the implantable device includes a detector for detecting the presence of any amount x-ray radiation and a processor for adjusting a stimulation rate provided by the IMD in response to detected x-ray radiation to reduce the chance of over-sampling artifacts or inappropriate therapy delivery.
PCT/US2006/012118 2005-03-31 2006-03-30 Methods and apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation WO2006124132A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602006006560T DE602006006560D1 (en) 2005-03-31 2006-03-30 DEVICE FOR REDUCING X-RAY SIGNALS CAUSED BY X-RAY IN IMPLANTABLE MEDICAL DEVICES
EP06784341A EP1871471B1 (en) 2005-03-31 2006-03-30 Apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation
AT06784341T ATE429954T1 (en) 2005-03-31 2006-03-30 DEVICE FOR REDUCING INTERFERENCE CAUSED BY X-RAY RADIATION IN IMPLANTABLE MEDICAL DEVICES

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/096,671 US7697988B2 (en) 2005-03-31 2005-03-31 Methods and apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation
US11/096,671 2005-03-31

Publications (3)

Publication Number Publication Date
WO2006124132A2 WO2006124132A2 (en) 2006-11-23
WO2006124132A9 WO2006124132A9 (en) 2007-03-01
WO2006124132A3 true WO2006124132A3 (en) 2007-05-24

Family

ID=37071505

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/012118 WO2006124132A2 (en) 2005-03-31 2006-03-30 Methods and apparatus for reducing spurious signals in implantable medical devices caused by x-ray radiation

Country Status (6)

Country Link
US (2) US7697988B2 (en)
EP (1) EP1871471B1 (en)
CN (1) CN101163518A (en)
AT (1) ATE429954T1 (en)
DE (1) DE602006006560D1 (en)
WO (1) WO2006124132A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009099556A2 (en) * 2008-01-30 2009-08-13 Cardiac Pacemakers, Inc Method and apparatus for radiation effects detection
US20130116552A1 (en) * 2011-10-20 2013-05-09 Air Liquide Implantable imaging arrangement and method for using the same
US10441798B2 (en) * 2016-04-15 2019-10-15 Medtronic, Inc. Methods and implantable medical systems that implement exposure modes of therapy that allow for continued operation during exposure to a magnetic disturbance

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003063962A1 (en) * 2002-01-29 2003-08-07 Medtronic, Inc. Magnetic field and/or high frequency radiation signals adaption and control for implantable devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5271400A (en) * 1992-04-01 1993-12-21 General Electric Company Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device
US5782764A (en) * 1995-11-07 1998-07-21 Iti Medical Technologies, Inc. Fiber composite invasive medical instruments and methods for use in interventional imaging procedures
JP2001230460A (en) * 2000-02-14 2001-08-24 Seiko Instruments Inc Formation method for tunnel oxide film of superconducting x-ray detecting element
US6681135B1 (en) * 2000-10-30 2004-01-20 Medtronic, Inc. System and method for employing temperature measurements to control the operation of an implantable medical device
US7076283B2 (en) * 2001-10-31 2006-07-11 Medtronic, Inc. Device for sensing cardiac activity in an implantable medical device in the presence of magnetic resonance imaging interference
US7082328B2 (en) * 2002-01-29 2006-07-25 Medtronic, Inc. Methods and apparatus for controlling a pacing system in the presence of EMI

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003063962A1 (en) * 2002-01-29 2003-08-07 Medtronic, Inc. Magnetic field and/or high frequency radiation signals adaption and control for implantable devices

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
ATLEE J L AND BERNSTEIN A D: "Cardiac Rhythm Management Devices (Part II): Perioperative Management", ANESTHESIOLOGY, vol. 95, no. 6, December 2001 (2001-12-01), pages 1492 - 1506, XP002413917 *
PINSKI S L AND TROHMAN R G: "Interference in Implanted Cardiac Devices, Part II", PACE, vol. 25, no. 10, October 2002 (2002-10-01), pages 1496 - 1509, XP002413916 *
RODRIGUEZ F ET AL: "RADIATION-INDUCED EFFECTS IN MULTIPROGRAMMABLE PACEMAKERS AND IMPLANTABLE DEFIBRILLATORS", PACE, vol. 14, December 1991 (1991-12-01), pages 2143 - 2153, XP008066368, ISSN: 0147-8389 *

Also Published As

Publication number Publication date
US20100204743A1 (en) 2010-08-12
DE602006006560D1 (en) 2009-06-10
ATE429954T1 (en) 2009-05-15
US7697988B2 (en) 2010-04-13
WO2006124132A9 (en) 2007-03-01
WO2006124132A2 (en) 2006-11-23
EP1871471B1 (en) 2009-04-29
CN101163518A (en) 2008-04-16
US8706222B2 (en) 2014-04-22
US20060224064A1 (en) 2006-10-05
EP1871471A2 (en) 2008-01-02

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