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Shape memory tubular stent with grooves

  • US 9,980,806 B2
  • Filed: 02/10/2016
  • Issued: 05/29/2018
  • Est. Priority Date: 10/22/2008
  • Status: Expired due to Fees
First Claim
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1. An implantable, radially distensible device comprising:

  • a solid tubular structure having an outer circumference, an open first end and an opposed open second end and an open lumen extending therebetween, the solid tubular structure including a plurality of tubular structures and a graft, the plurality of tubular structures being spaced apart and unconnected from one another, wherein the graft is secured to the plurality of tubular structures and extends between and radially beyond the plurality of tubular structures, the graft having a continuous wall extending around an entire outer circumference of the tubular structures and between the first end and the second end, the wall having an outer surface and an opposed inner surface defining a wall thickness therebetween, the wall comprising a shape memory polymeric material, wherein the inner surface is in contact with outer surfaces of the plurality of tubular structures.

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