A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/24 (2006.01) A61B 17/064 (2006.01) A61B 17/068 (2006.01) A61B 17/072 (2006.01) A61B 17/00 (2006.01) A61B 17/115 (2006.01)
Patent
CA 2456002
The invention concerns an assembly (1) comprising the valve prosthesis (3) to be implanted and a support (2) receiving said valve (3). The invention is characterised in that the support comprises: at least a tubular portion (4) made of a flexible material slightly stretchable in the circumferential direction; means (6) for fixing said tubular portion (4) to the wall of the corporeal duct; and a plurality of elongated reinforcing elements (5), arranged on the circumference of said tubular portion (4) and linked to said tubular portion (4) independently of one another; the valve (3) is linked at least partly to said elongated reinforcing elements (5), in particular at the commissures (3a) of its valvelets, and said elongated reinforcing elements (5) jointly form, in extended position, a structure having a predetermined diameter which ensures sufficient extension of said valve (3).
Cet ensemble (1) comprend la valve prothétique (3) à implanter et un support (2) recevant cette valve (3). Selon l'invention, le support (2) comprend: au moins une portion tubulaire (4) en matériau souple faiblement étirable dans le sens circonférentiel; des moyens (6) de fixation de cette portion tubulaire (4) à la paroi du conduit corporel, et une pluralité d'éléments allongés d'armature (5), disposés sur la circonférence de ladite portion tubulaire (4) et reliés à cette portion tubulaire (4) de manière indépendante les uns des autres; la valve (3) est reliée au moins partiellement à ces éléments allongés d'armature (5), notamment au niveau des commissures (3a) de ses valvules, et ces éléments allongés d'armature (5) forment conjointement, en position déployée, une structure ayant un diamètre prédéterminé qui assure le déploiement adéquat de cette valve (3).
Goudreau Gage Dubuc
Medtronic Corevalve Llc
Seguin Jacques
LandOfFree
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