Ligament anchoring device

Details Ligament anchoring device Ligament anchoring device

A - Human Necessities

61

F

A61F 2/08 (2006.01)

Patent

CA 2236141

A device including an elongate body (15) with anti-rotation projections on the peripheral side surface thereof and a generally flat side bearing surface (20) for engaging one side of a bone rod (5) forming the end of a ligament (4). The body (15) comprises an axial hole having a tapered internal seat and being engaged by a screw. Slots (24) enable the body (15) to be expanded by the axial screw. When the body (15) is expanded (13, 14), the bone rod (5) is locked in place in a hole (7) formed in the bone (2). Reliable and easily performed and adjusted ligament anchoring may thus be achieved.

Le dispositif comprend un corps (15) allongé, avec des reliefs antirotation sur sa surface latérale périphérique, avec une face latérale d'appui (20) généralement plate et adaptée pour porter contre un côté d'une barrette osseuse (5) formant l'extrémité d'un ligament (4). Le corps (15) comporte un trou axial à portée intérieure conique et dans lequel est engagée une vis. Des fentes (24) permettent l'expansion du corps (15) sous l'action de la vis axiale. Le corps (15), par son expansion (13, 14), plaque la barrette (5) osseuse pour la bloquer dans un trou (7) ménagé dans l'os (2). On réalise ainsi un ancrage ligamentaire fiable, commode à poser et à régler.

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