Osteosynthesis implant from a plastic material

Details Osteosynthesis implant from a plastic material Osteosynthesis implant from a plastic material

A - Human Necessities

61

B

A61B 17/80 (2006.01) A61B 17/72 (2006.01) A61B 17/86 (2006.01) A61B 17/17 (2006.01)

Patent

CA 2416334

The invention relates to an osteosynthesis implant (1) that preferably consists of a bioresorbable plastic material. The inventive implant receives the longitudinal fixation elements (10) to be anchored in the bone, especially in the form of wires, nails, pins or screws. The openings destined to receive the fixation elements (10) do not completely extend through the implant (1) like in conventional bone plates or intramedullary nails but are degenerated to indents (2) in the surface of the implant (1) so that they may serve as a guide for the fixation elements (10) to be guided through the implant (1). The inventive implant (1) allows insertion of the fixation elements (10) in the bone t diverging angles and crossing one another, so that the fixation elements (10) extending intramedullarly or in the spongiosa are primarily prevented from migrating in a proximal or distal direction.

L'invention concerne un implant (1), constitué de préférence de matière plastique biodégradable et destiné à l'ostéosynthèse. Il sert de support à des éléments (10) de fixation longitudinaux devant être ancrés dans l'os, tels que des fils, des clous, des broches et des vis. Les orifices destinés au support des éléments (10) de fixation ne traversent pas l'implant (1) de bout en bout, comme c'est le cas dans les plaques d'ostéosynthèse ou les clous intramédullaires classiques, mais ils se transforment en évidements (2) dans la surface de l'implant (1), de manière à servir d'auxiliaires de guidage aux éléments (10) de fixation qui doivent traverser l'implant (1). Cet implant (1) permet d'insérer les éléments (10) de fixation dans l'os selon des angles divergents et en les croisant, de manière à éviter un déplacement, aussi bien vers la partie proximale que vers la partie distale, des éléments de fixation (10) s'étendant dans la zone intramédullaire ou dans la zone spongieuse.

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