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Coronary vein lead having pre-formed biased portions for fixation

  • US 8,050,775 B2
  • Filed: 10/29/2009
  • Issued: 11/01/2011
  • Est. Priority Date: 08/30/2000
  • Status: Expired due to Term
First Claim
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1. An implantable medical lead for transmitting electrical signals between cardiac tissue and an implantable pulse generator, the lead comprising:

  • a lead body having a proximal end and an open distal end, and including a pre-formed biased portion between the proximal and distal ends, the pre-formed biased portion adapted to fixate the lead against an interior wall of a coronary vessel upon implantation and including a three-dimensional bias and a two-dimensional bias;

    a connector located at the proximal end of the lead body configured for coupling the lead assembly to an implantable pulse generator;

    an electrode on the lead body;

    a conductor coil coupled to the electrode extending within the lead body from the proximal end toward the distal end; and

    an open lumen extending longitudinally through the distal end of the lead body such that the lead can be threaded over a guidewire during implantation of the lead.

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