Bone block fixation implant

A - Human Necessities – 61 – F

Patent

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Details

A61F 2/08 (2006.01) A61F 2/02 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2294022

In the present invention, a bioabsorbable implant is described, which implant is manufactured of bioabsorbable polymer, copolymer, polymer alloy or fiber reinforced and/or particle filled composite, which implant is pushed into a hole or drill canal made in a bone, for fixing a bone graft into the drillhole, wherein the implant comprises: 1) at least one elongated body, 2) at least one gripping element to lock the implant into the drillhole, and 3) a platform surface for location of a bone block between the implant and the wall of the drillhole. The implant also may be equipped with 4) an additional arresting means (8), which effectively prevents the slipping of the bone block out of the drillhole.

La présente invention concerne un implant biorésorbable fabriqué à partir d'un polymère, d'un copolymère ou d'un mélange polymère biorésorbable, ou encore, d'un composite chargé de particules et/ou renforcé par des fibres. L'implant est poussé dans un trou ou dans un canal perforé pratiqué dans un os, de manière à fixer un greffon osseux dans le trou perforé. L'implant comprend: 1) au moins un corps allongé, 2) au moins un élément d'accrochage pour verrouiller l'implant dans le trou perforé, et 3) une surface plate pour placer une butée osseuse entre l'implant et la paroi du trou perforé. L'implant peut également être équipé 4) d'un organe d'arrêt supplémentaire (8) qui empêcherait la butée osseuse de glisser du trou perforé.

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