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MEDICAL LEAD COIL CONDUCTOR WITH SPACER ELEMENT

  • US 20090281608A1
  • Filed: 03/26/2009
  • Published: 11/12/2009
  • Est. Priority Date: 05/09/2008
  • Status: Active Grant
First Claim
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1. A medical electrical lead, comprising:

  • an insulated lead body including at least one electrode;

    at least one helically coiled conductor electrically coupled to the at least one electrode, the at least one conductor including a plurality of turns disposed about a longitudinal axis of the lead body;

    at least one helically coiled spacer element electrically isolated from the at least one electrode, the at least one spacer element including a plurality of turns disposed about the longitudinal axis, wherein one or more turns of the spacer element are interstitially disposed between at least one adjacent turn of the conductor; and

    wherein the at least one helically coiled conductor and the at least one helically coiled spacer element form a close-wound coil assembly extending along a length of the lead body.

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