Facet joint replacement

Details Facet joint replacement Facet joint replacement

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2592606

Various methods and devices for replacing damaged, injured, diseased, or otherwise unhealthy posterior elements, such as the facet joints, the lamina, the posterior ligaments, and/or other features of a patient's spinal column, are provided. In one exemplary embodiment, the methods and devices are effective to mimic the natural function of the spine by allowing flexion, extension, and lateral bending of the spine, while substantially restricting posterior-anterior shear and rotation of the spine.

L'invention concerne divers procédés et dispositifs de remplacement d'éléments postérieurs endommagés, blessés, malades, ou différemment en mauvaise santé, tels que les facettes articulaires, les laminas, les ligaments postérieurs, et/ou d'autres éléments de la colonne vertébrale d'un patient. Dans un mode de réalisation, les procédés et dispositifs sont efficaces pour imiter la fonction naturelle de la colonne vertébrale, permettant la flexion, l'extension et la courbure latérale de la colonne vertébrale, tout en limitant sensiblement le cisaillement postéro-antérieur et la rotation de la colonne vertébrale.

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