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Medical lead with flexible distal guidewire extension

  • US 7,313,445 B2
  • Filed: 09/26/2002
  • Issued: 12/25/2007
  • Est. Priority Date: 09/26/2002
  • Status: Expired due to Fees
First Claim
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1. An implantable cardiac vein lead comprising:

  • an elongated lead body extending between a lead body proximal end anda lead body distal end;

    the lead body including a sidewall enclosing at least one electrical conductor;

    an elongated flexible distal guidewire extension affixed to, and extending distally from the lead body distal end to a guidewire extension distal tip, the guidewire extension including a pre-formed bend that disposes the distal tip thereof laterally beyond the lead body sidewall; and

    a distal fixation helix affixed to and extending distally from the lead body distal end, the fixation helix including a sharpened tip and being adapted to affix the lead body distal end at an implantation site, wherein at least a proximal portion of the guidewire extension distal tip and the helix sharpened tip both point in a same general direction.

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