A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/04 (2006.01) A61F 2/06 (2006.01)
Patent
CA 2456697
Implantable medical grafts (10) fabricated of metallic or pseudometallic films of biocompatible materials having a plurality of microperforations (20) passing through the film in a pattern that imparts fabric-like qualities to the graft or permits the geometric deformation of the graft. The implantable graft is preferably fabricated by vacuum deposition of metallic and/or pseudometallic materials into either single or multi-layered structures with the plurality of microperforations either being formed during deposition or after deposition by selective removal of sections of the deposited film. The implantable medical grafts are suitable for use as endoluminal or surgical grafts and may be used as vascular grafts, stent-grafts, shunts, bone grafts, surgical patches, non-vascular conduits, valvular leaflets, filters, occlusion membranes, artificial sphincters, tendons and ligaments.
L'invention concerne des greffons médicaux implantables fabriqués à base de films métalliques ou pseudométalliques en matériaux biocompatibles, qui présentent plusieurs microperforations traversant le film suivant un motif qui confère aux greffons des qualités textiles ou qui permet une déformation géométrique des greffons. Le greffon implantable est, de préférence, fabriqué par déposition sous vide de matériaux métalliques et/ou pseudométalliques en structures mono ou multi-couche, la pluralité de microperforations étant formée pendant ou après déposition par enlèvement sélectif de sections du film déposé. Les greffons médicaux implantables sont indiqués pour des greffes endoluminales ou chirurgicales et on peut les utiliser comme greffes vasculaires, endoprothèses, greffes de la peau, shunts, greffes osseuses, pièces chirurgicales, conduits non vasculaires, clapets valvulaires, filtres, membranes d'occlusion, sphincters artificiels, tendons et ligaments.
Palmaz Julio C.
Advanced Bio Prosthetic Surfaces Ltd.
Blake Cassels & Graydon Llp
LandOfFree
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