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Bifurcated stent with surface area gradient

  • US 20070208411A1
  • Filed: 03/06/2006
  • Published: 09/06/2007
  • Est. Priority Date: 03/06/2006
  • Status: Abandoned Application
First Claim
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1. ) A stent comprising:

  • a plurality of interconnected strut members defining a plurality of cells, a portion of the interconnected strut members comprising a side branch structure defining a side branch cell, the side branch cell being shaped differently than other cells of the stent;

    the stent comprising a first end portion, a middle portion and a second end portion, the side branch structure located in the middle portion;

    the interconnected strut members further defining a plurality of serpentine bands and a plurality of connector struts, adjacent serpentine bands connected by at least one connector strut;

    a first unit area located in the middle portion, the first unit area including at least two interconnected strut members;

    a second unit area located outside of the middle portion, the second unit area having a size and shape similar to the first unit area;

    wherein a total outer surface area of the interconnected strut members in the first unit area is greater than a total outer surface area of the interconnected strut members in the second unit area.

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