Spinal stabilization system with rigid and flexible elements

Details Spinal stabilization system with rigid and flexible elements Spinal stabilization system with rigid and flexible elements

A - Human Necessities

61

B

A61B 17/70 (2006.01)

Patent

CA 2680728

A spinal stabilization system (10) generally comprises first and second anchor members (12, 14) configured to be secured to first and second vertebrae (i8, 20) within a patient's body, a flexible element (26) secured to the first anchor member (12), and a rigid element (24) secured to the second anchor member (14). An end portion (50) of the rigid element (24) is coupled to an end portion (54) of the flexible element (52) so that the system (10) is able to provide both rigid and dynamic stabilization. The coupling is maintained even if the flexible element (52) relaxes after a period of time within the patient's body.

L'invention concerne un système de stabilisation rachidienne (10) comprenant généralement des premier et second organes d'ancrage (12, 14) configurés pour être fixés à des première et seconde vertèbres (18, 20) à l'intérieur du corps d'un patient, un élément flexible (26) fixé au premier organe d'ancrage (12), et un élément rigide (24) fixé au second organe d'ancrage (14). Une portion d'extrémité (50) de l'élément rigide (24) est couplée à une portion d'extrémité (54) de l'élément flexible (52) de sorte que le système (10) est capable d'assurer une stabilisation à la fois rigide et dynamique. Le couplage est maintenu même si l'élément flexible (52) se relâche après une certaine durée dans le corps du patient.

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