Implant, in particular front cervical plate

Details Implant, in particular front cervical plate Implant, in particular front cervical plate

A - Human Necessities

61

B

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

Patent

CA 2299166

The invention concerns a plate (10, 10) designed to be fixed by means of a bone fixing screw (30) to two vertebrae. The invention is characterised in that the plate comprises two elements (10, 10) each including at least one hole (111) for a bone fixing screw (20), each of the elements capable of sliding relative to the other in a direction bringing them closer to or spacing them from the vertebrae relative to each other. Said elements are provided with means (141, 30) for limiting the mutual sliding travel between them to block said elements in a given mutual position. The invention is in particular applicable to cervical plates to be implanted from the front.

Un implant comprend une plaque (10, 10) destinée être fixée à l'aide de vis de fixation osseuse (30) à deux vertèbres. Selon l'invention, la plaque comporte deux éléments (10, 10) comportant chacun au moins un trou (111) pour une vis de fixation osseuse (20), chacun des éléments étant susceptible de coulisser par rapport à l'autre dans une direction correspondant à un rapprochement ou à un éloignement des vertèbres l'une par rapport à l'autre. Lesdits éléments sont pourvus de moyens (141, 30) pour limiter la course de coulissement mutuel entre ceux-ci et pour bloquer lesdits éléments dans une position mutuelle donnée. Application notamment à des plaques cervicales implantables par voie antérieure.

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