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Impact inserter mechanism for implantation of a biomedical device

  • US 5,361,760 A
  • Filed: 01/19/1993
  • Issued: 11/08/1994
  • Est. Priority Date: 11/07/1989
  • Status: Expired due to Term
First Claim
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1. An inserter for implanting an electrode array in a biological tissue, comprising:

  • a casing having first and second ends and enclosing a chamber;

    a piston disposed within said casing and slidable between a first and a second position;

    piston actuating means operably associated with said piston for urging said piston to said second position;

    an impact transfer mass slidably disposed within said casing, having a first end and a second end, said second end extending slidably through said second casing end and configured for placement adjacent and in contact with a rear side of an electrode array to be implanted, and said impact transfer mass being positioned to have said first end contacted by said piston when said piston is urged to said second position; and

    spring means operably associated with said impact transfer mass for returning said impact transfer mass to a ready position following an impact by said piston.

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