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Method and apparatus for balloon expandable stent-graft delivery

  • US 5,522,882 A
  • Filed: 10/21/1994
  • Issued: 06/04/1996
  • Est. Priority Date: 10/21/1994
  • Status: Expired due to Term
First Claim
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1. A balloon expandable stent-gaff delivery system comprising:

  • a) a catheter having proximal and distal ends thereof;

    b) an expandable balloon attached near the distal end of said catheter wherein said balloon comprises an interior surface, an exterior surface, and first and second ends, said first and second ends being substantially non-tapered upon expansion of said balloon from a first unexpanded diameter to a second larger diameter;

    c) a stent having an interior surface, an exterior surface, and first and second ends thereof wherein said stent is positioned around said expandable balloon;

    d) a graft having an interior surface, an exterior surface, and first and second ends thereof wherein said graft is positioned around said stent such that said stent is concentrically contained within said graft; and

    (e) a substantially non-compliant sheath positioned over each of said first and second ends of said expandable balloon, wherein each of said sheaths is positioned adjacent to one of said first and second ends of said stent, respectively, without overlapping onto or underlying any region of said stent.

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