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Device for positioning an electrode

  • US 5,170,787 A
  • Filed: 03/14/1991
  • Issued: 12/15/1992
  • Est. Priority Date: 03/30/1990
  • Status: Expired due to Term
First Claim
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1. A device for in vivo positioning of an electrode having an electrode head at a distal end, a hollow lead and a proximal end, said device comprising:

  • a wire having a pre-shaped curve at a distal end and surrounded by a tube with said wire being movable in said tube, said tube being deformable, but mechanically resistant compared to the wire, said tube having a diameter and length adapted to be inserted into said hollow lead, said wire and said tube constituting adjustment elements and each of said wire and said tube having a proximal end; and

    a case having a handling element disposed therein so as to be movable along a longitudinal axis of said case, the proximal end of one of said adjustment elements being connected to said case and the proximal end of the other of said adjustment elements being connected to said handling element, so that the position of said distal end of said wire in relation to said tube, and thus the curvature of said distal end of said electrode in which said wire and said tube are inserted, can be selected by moving said handling element along said longitudinal axis.

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