A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01) B29D 23/00 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2217606
This invention is a dual supported intraluminal graft comprising a biocompatible flexible layer (16) sandwiched between two structural support layers (18, 20). The preferred embodiment comprises a first structural support (18), such as a stent, which is concentrically retained within a tubular shaped PFTE graft (16) which is concentrically retained within a second structural support (20), such as a stent. The ends of the PFTE graft may be folded back onto the outer surface of the second structural support thereby forming flaps (30, 32). Upon radial expansion of the preferred embodiment, the stent/graft/stent assembly forms inseparable layers.
L'invention concerne un greffon intraluminal comprenant une couche souple biocompatible (16) prise en sandwich entre deux couches de support structurales (18, 20). Dans le mode de réalisation préféré, on prévoit un premier support structural (18), tel qu'un extenseur, qui est retenu de manière concentrique dans un greffon PFTE de forme tubulaire (16) lui-même retenu de manière concentrique dans un second support structural (20), tel qu'un extenseur. Les extrémités du greffon PFTE peuvent être repliées sur la surface extérieure du second support structural pour former des volets (30, 32). Lors de la dilatation radiale du système préféré selon l'invention, l'ensemble extenseur/greffon/extenseur forme des couches inséparables.
Bynon Anne Nina
Cundy Sandra M.
Kowligi Rajagopal R.
Cassan Maclean
Impra Inc.
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