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Stent for repair of anastomasis surgery leaks

  • US 10,398,540 B2
  • Filed: 04/29/2011
  • Issued: 09/03/2019
  • Est. Priority Date: 04/30/2010
  • Status: Active Grant
First Claim
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1. A single stent for repairing post-anastomosis surgery leaks, comprising:

  • a single elongated tube, the single elongated tube is woven, braided or knit, the single elongated tube having a shape that includes, in order from a proximal end to a distal end of the single elongated tube;

    a proximal flare-shaped flange that includes a proximal cylindrical portion and a distal truncated cone portion,a proximal cylindrical segment,an enlarged middle section,a distal cylindrical segment, anda distal flare-shaped flange that includes a proximal truncated cone portion and a distal cylindrical portion,wherein the distal cylindrical segment has a diameter that is smaller than a diameter of the proximal cylindrical segment, wherein the enlarged middle section has a diameter that is larger than the proximal flare-shaped flange, the proximal cylindrical segment, the distal cylindrical segment, and the distal flare-shaped flange, the enlarged middle section has a symmetrical shape, the single stent having an interior surface and an exterior surface and wherein an entirety of the exterior surface of the elongated tube from the proximal cylindrical segment to the distal cylindrical segment is covered with a polymer cover configured to seal leaks and prevent tissue in-growth into the single elongated tube.

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