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Bifurcated highly conformable medical device branch access

  • US 8,474,120 B2
  • Filed: 06/18/2010
  • Issued: 07/02/2013
  • Est. Priority Date: 10/09/2009
  • Status: Active Grant
First Claim
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1. A method of making a multi-lumen stent graft comprising:

  • covering a first mandrel that comprises a groove and a back wall of said groove with an innermost polymeric tube;

    slitting said innermost polymeric tube along said back wall of said groove;

    placing a second mandrel into said groove of the first mandrel and aligning said second mandrel with the back wall of the groove, deforming said innermost polymeric tube;

    placing an outermost polymeric tube over said innermost polymeric tube; and

    cutting an opening in said outermost polymeric tube over said second mandrel;

    wherein said outermost polymeric tube and innermost polymeric tube comprise a graft member.

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