Surgical anchoring piece for ligaments

Details Surgical anchoring piece for ligaments Surgical anchoring piece for ligaments

A - Human Necessities

61

F

A61F 2/08 (2006.01) A61B 17/04 (2006.01)

Patent

CA 2215943

This invention relates to a surgical anchoring piece (1) for fitting a ligament or the like (8) at the proximal outlet of a tunnel (6, 7) bored in a bone (9). In a preferred embodiment, the anchoring piece (1) is made of an elongate body (2) provided with a milled section (3) perpendicular to the longitudinal axis of the elongate body which is designed for sliding and fastening of a pull wire (5) and a tape (4) for fastening the ligament or the like. The ligament, which is fastened to the anchoring piece (1) by the tape (4) is driven towards the end of the tunnel (6) by pulling on the wire (5); once out of the tunnel (7), the anchoring piece (1) pivots until it lies across the mouth of the tunnel (7) and locks the ligament in position in the tunnel (6).

L'invention concerne une ancre chirurgicale (1) destinée à fixer un ligament ou analogue (8), à la sortie proximale d'un tunnel (6, 7) percé dans un os (9). Selon un mode de réalisation préféré, l'ancre (1) est constituée d'un corps allongé (2) pourvu d'un fraisage (3) perpendiculaire à l'axe longitudinal du corps allongé, prévu pour le passage et la fixation d'un fil de traction (5), et d'un ruban (4) de fixation du ligament ou analogue. Le ligament, fixé à l'ancre (1) par le ruban (4) est entraîné au fond du tunnel (6) par traction sur le fil (5); lorsqu'elle débouche du tunnel (7), l'ancre (1) pivote pour se placer en travers de l'embouchure du tunnel (7), et bloquer le ligament en place dans le tunnel (6).

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