Importance

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Abstract

A graft assembly is provided for placement in a body passage having a generally tubular inner wall of predetermined diameter. The graft assembly includes an elongated outer tubular graft presenting inner and outer graft surfaces, and first and second outer stents secured to the graft. The first outer stent has expanded and contracted conditions and possesses a spring force that urges the first outer stent toward the expanded condition. When in the expanded condition, the first stent presents an outer diameter greater than the predetermined diameter of the inner wall of the body passage. The second outer stent also has expanded and contracted conditions and possesses a spring force that urges the second outer stent toward the expanded condition. However, the second outer stent, in the expanded condition, presents an outer diameter substantially equal to the predetermined diameter of the inner wall of the body passage so that the second outer stent supports the graft at the position spaced from the first outer stent.

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First Claim