Surgical repair product comprising uhmwpe filaments

Details Surgical repair product comprising uhmwpe filaments Surgical repair product comprising uhmwpe filaments

D - Textiles, Paper

01

D

D01D 10/02 (2006.01) A61L 17/04 (2006.01) A61L 31/04 (2006.01) A61B 17/06 (2006.01)

Patent

CA 2633996

The invention relates to an elongate surgical repair product such as a suture comprising a cable of which bending stiffness can be lowered, which fibrous member is a heat-set cable comprising at least 50 mass% of high-performance polyethylene yarn. The product shows very high tenacity, combined with a relatively high initial bending stiffness that is significantly reduced upon bending or flexing the member, without significant dimensional change; and allows both easy and well-controlled handling and good knot tying characteristics. The invention also relates to a method of making said elongate product, wherein UHMWPE filaments are subjected to heat treatment (pref. 140-151Grad C) under elongational tension.

L'invention concerne un produit allongé de réparation chirurgicale qui comprend un câble dont la rigidité à la flexion peut être abaissée, lequel élément fibreux est un câble thermo-durci qui comprend au moins 50 % en masse de fil de polyéthylène à hautes performances. Le produit présente une ténacité très élevée combinée à une rigidité initiale à la flexion relativement élevée qui est réduite significativement lors de la flexion ou le pliage de l'élément, mais sans modification significative de ses dimensions, et permet à la fois une manipulation aisée et bien contrôlée et de bonnes caractéristiques de nouage de noeds. L'invention concerne également un procédé de fabrication dudit produit allongé.

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