Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1996-02-06
1998-12-01
Weiss, John G.
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
623 11, A61F 206, A61F 202
Patent
active
058431586
ABSTRACT:
The present invention provides controlled expansion endoluminal prostheses and methods for their deployment and expansion. The present stent-grafts generally comprise a radially expansible tubular frame and a plastically expansible liner on the frame. Either the frame or the liner includes a reinforcing element which limits expansion of the stent-graft at a predetermined expanded size. In some embodiments, the reinforcing element restrains the frame, for example, by limiting the circumferential diagonals of perforations on a perforate frame structure. Generally, however, the reinforcing element is included in the liner as circumferentially oriented yarn. A particularly advantageous liner includes composite circumferential yarns having inexpansible fibers wrapped around an expansible fiber, such as a partially oriented yarn, PTFE, or the like.
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World Medical Manufacturing Corporation Internet WEB Page Information, downloaded Aug. 4, 1997.
Cox Brian J.
Evans Michael A.
Lenker Jay A.
Weinberg Steven
Black John M.
Medtronic Inc.
Weiss John G.
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