Posterior vertebral support assembly

A - Human Necessities – 61 – B

Patent

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Details

A61B 17/70 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2497998

The invention concerns an assembly (1) comprising an interspinous wedge (5) configured to be inserted between the spinous processes (9) of two vertebrae (2) to be treated, whereof at least one zone designed to be placed between the spinous processes of the vertebrae is made of an elastically deformable material. The assembly (1) further comprises: two compressive lateral elements (6), designed to be placed on either side of the wedge (5) in the longitudinal direction, said compressive lateral elements (6) being deformable between releasing positions, wherein they are relatively spaced apart from the wedge (5) in the transverse direction, and compressive positions, wherein they are relatively close to the wedge (5) in the transverse direction; and two lateral transmission elements (7), placed between the compressive lateral elements (6) and the wedge (5), configured to press against the wedge (5) in the transverse direction thereof, at the interspinous zone (10) of the wedge (5).

Cet ensemble (1) comprend une cale interépineuse (5) conformée pour pouvoir être insérée entre les apophyses épineuses (9) de deux vertèbres (2) à traiter, dont au moins la zone destinée à; être placée entre les apophyses épineuses des vertèbres est en un matériau élastiquement déformable. L'ensemble (1) comprend en outre :deux éléments latéraux de compression (6), destinés à être placés de part et d'autre de la cale (5) dans le sens longitudinal, ces éléments latéraux de compression (6) étant déformables entre des positions de relâchement, dans lesquelles ils sont comparativement éloignés de la cale (5) dans le sens transversal, et des positions de compression, dans lesquelles ils sont comparativement rapprochés de la cale (5) dans le sens transversal ; et deux éléments latéraux de transmission (7), placés entre les éléments latéraux de compression (6) et la cale (5), conformés pour appuyer contre la cale (5) dans le sens transversal de celle ci, à hauteur de la zone inter-épineuses (10) de la cale (5)

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