Intervertebral connecting device

Details Intervertebral connecting device Intervertebral connecting device

A - Human Necessities

61

B

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

Patent

CA 2413474

The invention concerns a device comprising at least a fixed element (2), secured to a vertebra, at least a mobile element (10), capable of moving relative to the or each fixed element, and at least an intermediate element (22) for articulating the mobile element relative to the fixed element. The intermediate element (22) is received in an internal volume of the mobile element (10), and the fixed element (2) is received at least partly in an internal volume (26) of the intermediate element (22). Means are provided for securing, at least in translation, said intermediate element (22) to the fixed element (2), comprising the periphery of the substantially rigid outlet of the internal volume of the intermediate element.

Ce dispositif comprend au moins un élément fixe (2), solidaire d'une vertèbre, au moins un élément mobile (10), apte à se déplacer par rapport au ou à chaque élément fixe, ainsi qu'au moins un élément intermédiaire (22) d'articulation de l'élément mobile par rapport à l'élément fixe. L'élément intermédiaire (22) est reçu dans un volume intérieur de l'élément mobile (10), et l'élément fixe (2) est reçu au moins partiellement dans un volume intérieur (26) de l'élément intermédiaire (22). Il est prévu des moyens de solidarisation, au moins en translation, entre ledit élément intermédiaire (22) et l'élément fixe (2), qui comprennent le pourtour du débouché, sensiblement rigide, du volume intérieur de l'élément intermédiaire.

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