Disposable external fixation device

Details Disposable external fixation device Disposable external fixation device

A - Human Necessities

61

B

A61B 17/64 (2006.01)

Patent

CA 2409198

The invention relates to a novel disposable axial external fixation device for reducing bone fractures, of the type comprising an extendible rod-like middle body (2) and oppositely located bone screw clamps (5, 6) which are articulated to the respective ends (3, 4) of the rod-like middle body (2) by means of ball joints. Advantageously, a ball-and-socket joint (16) is mounted to each clamp (5, 6), within a main body (20) with which means (25, 26, 21, 22, 23) for clamping bone screws clamping is associated or co-operates. It is also provided an ancillary member (30) adapted for releasable association with one end of each clamp (5, 6) to better adapt each clamp for use in different conditions of installation of the fixation device.

Cette invention concerne un dispositif de fixation axial extérieur jetable pour réductions de fracture, du type comprenant une corps central tubulaire extensible (2) et des pattes de serrage pour os, à vis, opposées (5, 6) qui sont articulées au niveau des extrémités correspondantes (3, 4) du corps central (2) au moyen de rotules. Ce système présente l'avantage de comporter une articulation à rotule (16) montée sur chaque patte, à l'intérieur du corps principal (20) à laquelle des dispositifs (25, 26, 21, 22, 23) de serrage des vis pour os sont associés ou avec laquelle ils coopèrent. L'invention concerne également un élément auxiliaire (30) conçu pour être couplé libérable avec une extrémité de chacune des pattes (5, 6), qui permet de mieux adapter chaque patte en fonction de conditions d'utilisation différentes du dispositif de fixation.

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