Mesh graft and stent for increased flexibility

Details Mesh graft and stent for increased flexibility Mesh graft and stent for increased flexibility

2007-03-06

2007-03-06

Ho, (Jackie) Tan-Uyen T. (Department: 3731)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent in combination with graft

Reexamination Certificate

active

10716639

ABSTRACT:
A composite stent-graft tubular prosthesis includes an inner PTFE tubular structure, an outer PTFE tubular structure positioned about the inner PTFE tubular structure and a diametrically deformable stent interposed between the inner and outer PTFE tubular structures. The interposed stent is formed from an elongate wire helically wound with a plurality of longitudinally spaced turns into an open configuration. Each of the turns includes successive aligned upper and lower wave-like peaks. Selective ones of said upper and lower peaks are exposed exteriorly of the outer PTFE structure to render the composite prosthesis longitudinally flexible.

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Lyne et al., “Partial encapsulation of stents” Pub. Date: Oct. 18, 2001, USPAP, Pub. No.: US2001/032009.

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