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Vascular graft with removable sheath

  • US 5,246,452 A
  • Filed: 04/13/1992
  • Issued: 09/21/1993
  • Est. Priority Date: 04/13/1992
  • Status: Expired due to Term
First Claim
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1. A vascular graft comprising:

  • a tube or porous material, for attachment to a blood vessel said tube having a first end and a second end and a predetermined length between said first end and said second end;

    a removable sheath of non-porous material surrounding said tube for rendering said graft temporarily non-porous until blood working its way radially outward through said tube clots and seals said tube; and

    an elongated, open loop of inelastic material for removing said sheath after said tube is sealed by the blood, wherein said loop(i) extends along said length and(ii) at least a portion of said loop is contained between said tube and said sheath whereby said sheath is torn along its length when said loop is pulled.

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