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IMPLANTABLE MEDICAL DEVICE LEAD INCORPORATING A CONDUCTIVE SHEATH SURROUNDING INSULATED COILS TO REDUCE LEAD HEATING DURING MRI

  • US 20110034983A1
  • Filed: 08/07/2009
  • Published: 02/10/2011
  • Est. Priority Date: 08/07/2009
  • Status: Abandoned Application
First Claim
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1. A lead for use with an implantable medical device for implant within a patient, the lead comprising:

  • an electrode for placement adjacent patient tissues;

    a conductor operative to route signals along the lead between the electrode and the implantable medical device, with a portion of the conductor formed as an insulated coil and configured to function as an inductive bandstop filtering element for filtering radio-frequency (RF) fields; and

    a conducting sheath surrounding at least a portion of the conductor.

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