Importance

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Abstract

A spinal implant device arranged to clamp at least one vertebra includes a link rod, a hook defining a central bore and secured to a fixing head, a counterhook, an elongate member, a position control device and an interconnection arrangement between the counterhook and the hook. The fixing head has a pair of upwardly extending members forming a channel configured to accommodate the link rod. A nut engages the fixing head to exert a downward force onto the link rod. The elongate member attaches at one end to the counterhook and slidably engages the central bore of the hook such that the hook and the counterhook cooperate to define a clamp. The position control device cooperates with the hook and the elongate member to selectively maintain the hook in a position relative to the counterhook.

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First Claim