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Expandable coiled endoluminal prosthesis

  • US 6,645,237 B2
  • Filed: 09/22/1999
  • Issued: 11/11/2003
  • Est. Priority Date: 02/26/1999
  • Status: Expired due to Term
First Claim
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1. A releasable and implantable coiled endoluminal prosthesis comprising:

  • an elongate, self-expanding coiled stent body extending generally helically about a longitudinal axis and having a main body portion and first and second end portions;

    a graft material with a hollow graft material interior which encases at least the main body portion to create a releasable and implantable coiled stent graft;

    said coiled stent graft movable between a reduced diameter state and a relaxed, expanded diameter state;

    said coiled stent graft having an interior and an exterior, in which adjacent turns thereof define a generally helical gap, extending from the exterior and opening into the interior, therebetween when in the expanded diameter state; and

    the main body portion comprising a coiled ribbon of material with its width being much greater than its thickness.

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