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Electrical tissue stimulation apparatus and method

  • US 20030088301A1
  • Filed: 11/07/2001
  • Published: 05/08/2003
  • Est. Priority Date: 11/07/2001
  • Status: Active Grant
First Claim
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1. An implantable lead for stimulation of nerve tissue, muscle or organs, the lead comprising:

  • an elongate lead body having an axis and a tip; and

    at least one extendable member having a distal portion adapted to curl upon itself when not-constrained and a proximal portion, the extendable member received at least in part within the lead body for axial movement between;

    a retracted position in which the distal and proximal portions are constrained within the lead body; and

    an extended position in which the proximal portion is retained within the lead body and the distal portion is deployed out the tip of the lead body such that the distal portion curls upon itself.

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