Transverse connector for spinal column corrective devices

Details Transverse connector for spinal column corrective devices Transverse connector for spinal column corrective devices

A - Human Necessities

61

B

A61B 17/70 (2006.01)

Patent

CA 2142664

An apparatus for interconnecting a pair of longitudinal members connectable with vertebrae of a spinal column comprises first and second connector members connectable with the longitudinal members. An elongate plate extends transverse to the longitudinal members and interconnects the first and second connector members. The first connector member includes a hook portion extendable around a portion of the longitudinal member. A set screw clamps the longitudinal member to the hook portion of the connector member. A nut threadably engages the set screw to clamp the elongate plate to the connector member. The elongate plate includes surfaces defining a recess for receiving the connector member. The surfaces defining the recess engage the connector member to prevent the elongate plate from pivoting relative to the connector member.

Dispositif permettant de verrouiller deux pièces longitudinales avec les vertèbres d'une colonne vertébrale. Le dispositif comprend un premier et un second raccords pouvant se fixer aux pièces longitudinales. Une plaque allongée se prolonge transversalement par rapport aux pièces longitudinales et relie les premier et second raccords. Le premier raccord est muni d'un crochet destiné à entourer une partie de la pièce longitudinale. Une vis de retenue ancre la pièce longitudinale au crochet du raccord. Un écrou se visse sur la vis de retenue afin de fixer la plaque allongée au raccord. La plaque allongée comporte des surfaces formant un creux afin de recevoir et d'ancrer le raccord pour empêcher le pivotement de la plaque par rapport à ce dernier.

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