Bone anchored surgical mesh

A - Human Necessities – 61 – B

Patent

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A61B 17/20 (2006.01) A61B 17/56 (2006.01)

Patent

CA 2607201

A bone-anchored surgical mesh has slot-like anchoring members that allow for the variable placement of screws and other bone fasteners. This permits the surgeon discretion in the placement of bone fasteners used to attach the mesh to the patient's bone. The elongate openings of the anchoring members allow for a sliding motion between the bone fasteners and the anchoring members, and facilitates positioning and articulation of the mesh. The anchoring members may include bushings to aid the sliding motion of the anchoring member on the bone fastener. In one embodiment, the mesh consists of shorter modular strips that overlap each other such that a single bone fastener is passed through two overlapping anchoring members to lock the two modular mesh strips together. Additional modular mesh strips can be added on at either end, as desired, to provide the desired length of dural coverage.

La présente invention concerne un treillis chirurgical à ancrage osseux comprenant des éléments d'ancrage en forme de fente qui permettent de disposer les vis et autres fixations osseuses à différents endroits. Cette invention permet au chirurgien de disposer à sa discrétion les fixations osseuses utilisées pour attacher le treillis à l'os du patient. Les ouvertures allongées des éléments d'ancrage permettent aux éléments de fixation de coulisser par rapport aux éléments d'ancrage et facilitent le positionnement et l'articulation du treillis. Les éléments d'ancrage peuvent comprendre des bagues qui favorisent le coulissement de l'élément d'ancrage sur la fixation osseuse. Dans un mode de réalisation, le treillis se compose de bandes modulaires plus courtes qui se chevauchent de façon qu'une seule fixation osseuse soit passée dans deux éléments d'ancrage superposés afin que les deux bandes de treillis modulaires soient bloquées ensemble. On peut ajouter si nécessaire des bandes de treillis modulaires supplémentaires au niveau d'une extrémité ou l'autre pour obtenir la longueur souhaitée de couverture durale.

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