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Sandwich stent with spiraling bands on an outer surface

  • US 6,214,040 B1
  • Filed: 08/24/1999
  • Issued: 04/10/2001
  • Est. Priority Date: 10/20/1997
  • Status: Expired due to Term
First Claim
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1. A stent assembly comprising:

  • a) an inner continuous stent extending along the entire length of the assembly having spaced ends;

    b) a fabric cover folded over the entire inner continuous stent in a collapsed state, the cover affixed only along a single longitudinal axis outside the inner, continuous stent to at least two points along the inner continuous stent;

    c) the fabric cover conforming in an outer diameter to an inner diameter of an artery in which it will be positioned and an expansible outer stent in the form of a spiraling wire around the fabric cover to secure the fabric cover to the inner continuous stent;

    d) the outer stent having a lesser longitudinal length than the inner stent; and

    e) an outer diameter of the inner stent being substantially equivalent to an inner diameter of the fabric cover when the inner stent is radially expanded.

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