Devices and methods for posterior spinal fixation

A - Human Necessities – 61 – B

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A61B 17/70 (2006.01) A61B 17/17 (2006.01) A61B 17/80 (2006.01) A61B 17/86 (2006.01) A61B 17/88 (2006.01)

Patent

CA 2179161

This invention is for devices and methods for modular occipital/spinal fixation, general bone fixation and skull fracture repair. An orthopedic plate (100) designed for unicortical engagement of the occiput exhibits greater stability and safety over conventional devices. A locking screw/plate assembly and method (20) for posterior facet screw fixation of cervical and thoracic vertebrae are also disclosed. A locking screw (30) and locking tool (40) may be used with the orthopedic plate and spinal fixation devices as well as other orthopedic devices.

L'invention concerne des dispositifs et des procédés de fixation occipitale/spinale modulaire, de fixation d'os en général, et de réparation de fractures du crâne. Une plaque orthopédique (100) s'utilisant avec un ensemble vis/plaque (20) pour la fixation par vis à pans des vertèbres cervicales et thoraciques et présentant une stabilité et une sécurité supérieure par rapport aux dispositifs conventionnels est conçue pour être mise en contact unicortical avec l'occiput. Une vis de blocage (30) et un outil de blocage (40) peuvent être utilisés avec la plaque orthopédique, et les dispositifs de fixation spinale selon l'invention, ainsi qu'avec d'autres dispositifs orthopédiques.

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