Fragment clamp/buttress

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/68 (2006.01) A61B 17/80 (2006.01)

Patent

CA 2212334

The present invention relates to an im-plantable means for fixation of one or more bone fragments (82, 85) to a stable bone (81). The means have two basic functions, namely a buttress function and a clamp function. Either function or both may be employed depending on the fracture picture. The means have a first part (71) having a front part bent into a buttress (79) and/or into the lower part (77) of a clamp. Further, the means may comprise a second part (72) constituting the upper part (73) of the clamp. A screw (74) is used to secure the means to the stable bone (81). The buttress (79) of the means is utilized to press an intra-articular fragment (85) against an adjacent joint surface. The clamp (73, 77) of the means is utilized to capture and secure a bone fragment (82).

La présente invention concerne un dispositif implantable pour fixer un ou plusieurs fragments d'os (82, 85) à un os intact (81). Le dispositif a deux fonctions de base, en particulier une fonction de butée et une fonction de serrage. On peut faire appel à l'une et/ou l'autre fonction, selon la nature de la fracture. Le dispositif a une première partie (71) ayant une partie frontale pliée pour former une butée (79) et/ou la partie inférieure (77) d'un élément de serrage. En outre, le dispositif peut comporter une seconde partie (72) constituant la partie supérieure (73) de l'élément de serrage. Une vis (74) sert à fixer le dispositif à l'os intact (81). La butée (79) du dispositif sert à pousser un fragment intra-articulaire (85) contre une surface de fixation adjacente. L'élément de serrage (73, 77) du dispositif est utilisé pour saisir et immobiliser un fragment d'os (82).

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