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Sacral medical electrical lead

  • US 5,957,965 A
  • Filed: 03/03/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 03/03/1997
  • Status: Expired due to Term
First Claim
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1. A medical electrical stimulation system comprising:

  • a medical electrical stimulator;

    a medical electrical lead coupled to the stimulator, the medical electrical lead having a lead body, the lead body having a electrical conductor positioned with a first insulator sheath and a second insulator sheath;

    means for electrically coupling the electrical conductor to a pulse generator, the means for electrical coupling located on a proximal end of tile lead body;

    an electrode located on a proximal end of the lead body, the electrode electrically coupled to the conductor, and means for anchoring the electrode within the sacrum, the anchoring means remote from the electrode wherein the electrode is within the sacrum, wherein the means for anchoring the electrode within the sacrum comprises a series of notches within the first insulator sheath, the notches extending into the first insulator sheath such that the electrical conductor is not covered by the first insulator sheath in the area of the notch and a second insulator sheath fixed to the first insulator sheath along the length of the series of notches, second insulator sheath fixed to the electrical conductor not covered by the first insulator sheath in the area of the notch.

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