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Steroid eluting stitch-in chronic cardiac lead

  • US 5,489,294 A
  • Filed: 02/01/1994
  • Issued: 02/06/1996
  • Est. Priority Date: 02/01/1994
  • Status: Expired due to Term
First Claim
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1. A lead for establishing electrical contact between body tissue and a medical device, said lead having a longitudinal axis, said lead comprising:

  • a length of flexible conductor having a distal end and a longitudinal axis, said conductor having an insulative casing;

    a member electrically connected to said conductor, said member having an insulative covering, said member being cylindrical and coaxial with said longitudinal axis of said flexible conductor, said member having a chamber, said chamber communicating with an exterior of said insulative covering in a first direction through a port, said port being perpendicular to said longitudinal axis of said lead, a porous conductive material electrically connecting said member to said exterior of said insulative covering in a direction perpendicular to said longitudinal axis of said flexible conductor, said porous conductive material having a first surface area, said member having means for dispensing a drug positioned in said chamber;

    a length of suture having a coiled portion connected to said member; and

    a needle attached to an end of said suture.

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