Osteosynthesis device

Details Osteosynthesis device Osteosynthesis device

A - Human Necessities

61

B

A61B 17/58 (2006.01) A61B 17/72 (2006.01) A61B 17/86 (2006.01) A61B 17/68 (2006.01) A61F 2/30 (2006.01) A61F 2/36 (2006.01)

Patent

CA 2122017

Device for holding in place and compression of fractured bone fragments. The subject of the invention is an osteosynthesis device consisting of a screw with a tapered or conical point. Said screw's body (4) includes, at its distal end, an outer thread (5). The device is characterized in that the screw head (6) consists of folding strips (7) integral with the body and in that the screw includes means for folding the strips. The invention is for use especially in the treatment of scaphoid and internal malleolar fractures, Garden fractures 1 and 2 of the thigh bone neck, pertrochanteric fractures of the thigh bone and, generally, fractures of small bones, and also in positioning hip or shoulder stops.

2122017 9404086 L'invention concerne un dispositif destiné au maintien et à la compression des fragments d'un os fracturé. Elle a pour objet un dispositif d'ostéosynthèse constitué par une vis (1) dont la pointe (3) est pyramidale ou conique et dont le corps (4) est muni, à son extrémité distale, d'un pas de vis extérieur (5), caractérisé en ce que la tête (6) de la vis est constituée par des ailettes (7) repliables solidaires du corps et en ce que la vis comporte des moyens pour replier les ailettes. Elle est utile notamment pour les fractures du scaphoïde, de la malléole interne, les fractures de Garden 1 et 2 du col du fémur, les fractures pertrochantériennes du fémur, et de manière générale, pour les fractures des petits os, et pour la mise en place de butées de hanche ou d'épaule.

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