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Low profile lead with automatic tine activation

  • US 5,545,206 A
  • Filed: 12/22/1994
  • Issued: 08/13/1996
  • Est. Priority Date: 12/22/1994
  • Status: Expired due to Term
First Claim
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1. A transvenous cardiac stimulation lead comprising:

  • an insulative lead body having proximal and distal ends;

    at least one electrical conductor within said lead body;

    a connector at said proximal end coupled to said conductor for connection to a pulse generator;

    a plurality of flexible tines at said distal end extending substantially parallel to said lead body in a first position and extending away from said lead body in a second position; and

    a hydrophilic material positioned at an under side of each of said tines;

    whereby, when said lead is transvenously implanted with said tines in said first position, after exposure to body fluids said hydrophilic material expands to force said tines to said second position.

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