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Bifurcated stent assemblies

  • US 8,961,586 B2
  • Filed: 05/01/2007
  • Issued: 02/24/2015
  • Est. Priority Date: 05/24/2005
  • Status: Active Grant
First Claim
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1. A stent system adapted to expand in vivo in a patient'"'"'s vessel, the stent system comprising:

  • a) first and second radially expandable mesh stents adapted to expand from a contracted state to a radially expanded state, wherein said first stem is separated by a predetermined distance from said second stent; and

    b) a stent jacket comprising a mesh structure formed of a plurality of fibers defining apertures having a center dimension of at least 180 micrometers that are limited by the fibers having a diameter of about 7 micrometers to 18 micrometers, the stent jacket spanning said predetermined distance such that a first end of said jacket is disposed over said first stem and a second end of said jacket is disposed over said second stent; and

    c) a third stent axially disposed and movably set on a guide wire,wherein said stent racket is configured to encircle the axially disposed third stent in a contracted state, while said stent system is being delivered to an in situ location in the patient'"'"'s vessel with the first and second stents in the contracted state,wherein said stem jacket comprises at least one aperture in the mesh structure sized and dimensioned to allow passage of the guide wire and third stent, and the guide wire is configured to be manipulated through the aperture while said third stent is contracted, and wherein the third stent is configured to move along the guide wire through the at least one aperture at an angle to an axis running between said first and second stent.

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