A - Human Necessities – 61 – L
Patent
A - Human Necessities
61
L
A61L 17/10 (2006.01) A61L 17/04 (2006.01)
Patent
CA 2574136
The invention relates to an elongated surgical repair product comprising an elongated member of core-sheath structure, wherein the core contains a plurality of high-strength ultra-high molar mass polyethylene (UHMWPE) filaments, and wherein the elongated member has a UHMWPE sheath that is substantially non~porous. This product combines high tensile strength, good flexibility and favourable knotting characteristics. The invention also relates to a process of making said elongated surgical repair product, comprising a step wherein an elongated precursor member containing a plurality of UHMWPE filaments is subjected to a heat treatment while keeping the filaments under tension.
L'invention concerne un produit de réparation chirurgicale allongé comprenant un élément allongé possédant une structure composée d'une âme et d'une gaine. L'âme contient une pluralité de filaments hautement résistants à base de polyéthylène de masse moléculaire très élevée (PEhpm). L'élément allongé comporte une gaine en PEhpm qui est sensiblement non poreuse. Ce produit présente une résistance à la traction élevée, une bonne flexibilité et de bonnes caractéristiques de nouage. L'invention concerne également un procédé destiné à la fabrication de ce produit de réparation chirurgicale, consistant à soumettre un élément précurseur allongé contenant une pluralité de filaments de PEhpm à un traitement thermique, tout en le maintenant sous tension.
Dsm Ip Assets B.v.
Smart & Biggar
LandOfFree
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