Articulating spinal fixation rod and system

A - Human Necessities – 61 – B

Patent

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A61B 17/56 (2006.01)

Patent

CA 2535797

The present invention relates generally to systems and methods for aligning and implanting orthopedic fixation or stabilization implants within the body. In one embodiment, the system includes at least two bone anchors, at least one of which is provided with a transverse portal and a locking member. In one aspect, the system also includes at least one linkage rod, for linking two or more bone anchors through their respective locking members. The linking rod may include at least one angularly adjustable joint, which may be fixed by actuating the locking member. The bone anchors and the linkage rod may be locked into place to form a spinal fusion or fixation prosthesis.

L'invention concerne d'une manière générale des systèmes et des procédés permettant d'aligner et d'implanter dans le corps des implants de fixation ou de stabilisation orthopédiques. Dans un mode de réalisation, le système comporte au moins deux éléments d'ancrage osseux dont l'un au moins est doté d'une fenêtre transversale et d'un élément de verrouillage. Dans un aspect, le système comporte également au moins une tige de liaison qui relie au moins deux éléments d'ancrage osseux par le biais de leurs éléments de verrouillage respectifs. Ladite tige de liaison comporte au moins un raccord angulairement réglable pouvant être fixé par actionnement de l'élément de verrouillage. Les éléments d'ancrage osseux et la tige de liaison peuvent être verrouillés en place pour former une fusion spinale ou une prothèse de fixation.

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