Improved device for the external fixation of bones...

Details Improved device for the external fixation of bones... Improved device for the external fixation of bones...

A - Human Necessities

61

B

A61B 17/64 (2006.01)

Patent

CA 2355743

The invention relates to an improved device (1) for external fixation of bone fractures, specifically for ankle fractures, of the type adapted for mounting to a unilateral external fixator and comprising an extendible central body (2) and opposed articulated portions which are connected to respective ends of the central body by ball joints. The device is an ankle clamp having a stem (20), preferably made of a transparent material to X-radiation, with a bifurcate end (21) formed with a pair of prongs (23, 24) having a first jaw portion (40) of a tilting clamp (25) jounalled on a pivot (35) provided between the prongs and comprises a second jaw portion (50) coupled to the first jaw portion (40) and fastened thereto by a pair of screws (59).

L'invention concerne un dispositif perfectionné (1) pour la fixation externe de fractures de l'os, notamment de fractures de la cheville. Ledit dispositif est conçu pour être monté sur un fixateur externe unilatéral et comprend un corps central extensible (2) ainsi que des parties articulées opposées qui sont reliées par des joints sphériques aux extrémités respectives du corps central. Le dispositif est un clamp pour cheville doté d'une tige (20), de préférence en matériau transparent aux rayons X, à extrémité fourchue (21) formée d'une paire de dents (23, 24) possédant une première partie de mâchoire (40) d'un clamp pivotant (25) monté en porte-à-faux sur un pivot prévu entre les dents, et comporte une deuxième partie de mâchoire (50) accouplée à la première partie (409 et fixée à cette dernière par une paire de vis (59).

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