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Frequency selective passive component networks for implantable leads of active implantable medical devices utilizing an energy dissipating surface

  • US 7,751,903 B2
  • Filed: 06/23/2009
  • Issued: 07/06/2010
  • Est. Priority Date: 04/15/2002
  • Status: Expired due to Term
First Claim
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1. A passive component network for an implantable leadwire of an active implantable medical device (AIMD), comprising:

  • at least one leadwire having a length extending between and to a proximal end and a tissue-stimulating or biological-sensing electrode at a distal tip end; and

    a frequency selective energy diversion circuit for diverting high frequency energy away from the electrode to a point or an area spaced from the electrode for dissipation of said high-frequency energy, wherein the high frequency energy comprises an MRI frequency.

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