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Bifurcated intraluminal prostheses construction and methods

  • US 6,843,803 B2
  • Filed: 04/28/2003
  • Issued: 01/18/2005
  • Est. Priority Date: 12/01/1995
  • Status: Expired due to Fees
First Claim
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1. A branching endoluminal prosthesis comprising:

  • a radially expandable support having a proximal portion and a distal portion, the proximal portion including a main lumen, and the distal portion including a first branch having a first lumen, and a second branch having a second lumen, the first and second branch lumens being in communication with the main lumen and extending through the distal portion to define a bifurcation therein, wherein the distal portion has a peanut-shaved cross-section and includes at least one expandable circumferential portion defining a first lobe supporting the first branch, at least one expandable circumferential portion defining a second lobe supporting the second branch, and opposed indentations to support and separate the first and second branches, wherein the branching endoluminal prosthesis has an uninterrupted cross-section over its entire length, and wherein the radially expandable support is formed of independent ring members that are attached to each other by stitching.

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