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Multiple electrode deployable lead

  • US 5,282,845 A
  • Filed: 10/01/1990
  • Issued: 02/01/1994
  • Est. Priority Date: 10/01/1990
  • Status: Expired due to Fees
First Claim
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1. An implantable defibrillator lead which comprises:

  • a flexible, conductive lead member having proximal and distal and portions;

    a sheath enclosing said lead member in longitudinally slidable relation, whereby a distal end portion of said lead member is enclosed in said sheath in a first sliding position, and said distal end portion projects from the distal end of said sheath in a second sliding position, said distal end portion defining a plurality of separate, curvilinear defibrillation electrodes which straighten to fit into said sheath in the first position, and which deploy laterally outwardly in a curved arrangement from the remainder of said lead in the second position, said electrodes each comprising a coiled metal wire having an axis extending in a curvilinear direction.

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