A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/70 (2006.01)
Patent
CA 2443215
The invention concerns an osteosynthesis device, particularly for the spine by means of internal implantation, comprising firstly one or more bars (2) used to support or move the spine, and secondly at least one implant (3) connecting the bars and the vertebrae (V), said implant comprising firstly bone anchorage means attached to the body of said implant and secondly fixation means for said bars, said fixation being carried out by clamping means (31) clamping said bar against the internal walls (320) of a channel (32) formed in said body of the implant (3), characterised in that said bars comprise a transversal bearing surface (21) on at least part of their length, said transversal bearing surface being produced by a cross-section of said bars comprising at least one flat part or part of lower or opposed convexity in relation to the rest of said cross-section.
L'invention concerne un dispositif d'ostéosynthèse, en particulier destiné à la colonne vertébrale par implantation interne, qui comprend en premier lieu au moins une tige (2) servant à soutenir ou à déplacer la colonne vertébrale et, en second lieu, au moins un implant (3) reliant les tiges aux vertèbres (V), ledit implant comportant en premier lieu un moyen d'ancrage d'os fixé au corps de l'implant et, en second lieu, des moyens de fixation desdites tiges, les fixations étant réalisées par des moyens de serrage (31) qui serrent les tiges contre les parois internes (320) d'un canal (32) formé dans le corps de l'implant (3). Lesdites tiges comprennent une surface portante transversale (21) sur au moins une partie de leur longueur. Ladite surface portante transversale est produite par une section transversale des tiges comportant au moins une partie plate ou une partie de la paroi inférieure de convexité opposée par rapport au reste de ladite section transversale.
Beaurain Jacques
Chataigner Herve
de Postel Agnes
Delecrin Joel
Derosi Marielle
Goudreau Gage Dubuc
Ldr Medical
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