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Combination stylet and sheath for an electrode array

  • US 7,822,487 B2
  • Filed: 11/27/2006
  • Issued: 10/26/2010
  • Est. Priority Date: 10/04/2000
  • Status: Expired due to Fees
First Claim
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1. A method for inserting an electrode array into a cochlea comprising the steps of:

  • stiffening an elongate member in a first configuration using first and second biasing means, wherein the first biasing means at least partially envelops the elongate member, and wherein the elongate member has a plurality of electrodes mounted thereon and the elongate member is made from a memory material capable of a second configuration;

    modifying the first biasing means while inserting the elongate member into the cochlea; and

    removing the second biasing means from the elongate member such that the elongate member assumes the second configuration when insertion into the cochlea is completed.

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