Artificial ligament and a method for the preparation thereof

Details Artificial ligament and a method for the preparation thereof Artificial ligament and a method for the preparation thereof

A - Human Necessities

61

F

A61F 2/08 (2006.01)

Patent

CA 2126459

Artificial ligament for the replacement of a natural articular ligament, including two extreme intra-bone portions (1) and an intermediate intra-articular portion. Said artificial ligament is characterized in that at least said intra-articular portion (2) is formed from two strands (6) of independent longitudinal fibres obtained by rolling over one another two knitted fabric widths, or two half widths of a single knitted fabric partially split in its median part along a length at least equal to that of said intra-articular part (2). The two extreme intra-bone portions (1) are twisted at least a quarter of a turn in relation to one another when the ligament is positioned in the articulation. The invention also concerns a process for the manufacture of said ligament.

2126459 9409720 La présente invention concerne un ligament artificiel pour le remplacement d'un ligament naturel articulaire, comportant deux parties extrêmes intra-osseuses (1) et une partie intermédiaire intra-articulaire (2), caractérisé en ce qu'au moins ladite partie intra-articulaire (2) est formée de deux cordons (6) de fibres longitudinales indépendants, obtenus par roulage sur elles-mêmes de deux laizes tricotées, ou de deux demi-laizes d'une laize tricotée unique partiellement fendue en sa partie médiane sur une longueur au moins égale à celle de ladite partie intra-articulaire (2), les deux parties extrêmes intra-osseuses (1) étant tordues d'au moins un quart de tour l'une par rapport à l'autre lorsque ledit ligament est posé dans l'articulation. L'invention concerne également un procédé de confection d'un tel ligament.

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