Posterior dynamic stabilizer devices

Details Posterior dynamic stabilizer devices Posterior dynamic stabilizer devices

A - Human Necessities

61

B

A61B 17/70 (2006.01) A61B 17/88 (2006.01) A61F 2/44 (2006.01)

Patent

CA 2581753

A posterior stabilization device is provided for controlling movement between adjacent vertebrae. In one exemplary embodiment, the stabilization device can include one or more joints that rely on rotational or sliding movement to allow flexion of adjacent vertebrae, and that control extension, lateral bending, axial rotation, and anterior-posterior shear, preferably by providing one or more flexible connector and/or a flexible central spacer for connecting to the adjacent superior and inferior vertebrae.

L'invention concerne un dispositif de stabilisation postérieure permettant de contrôler un mouvement entre des vertèbres adjacentes. Dans un mode de réalisation exemplaire, ce dispositif de stabilisation peut comprendre au moins une articulation qui repose sur un mouvement rotatoire ou coulissant, de sorte à permettre la flexion de vertèbres adjacentes, et qui contrôle l'extension, la flexion latérale, la rotation axiale et le cisaillement antérieur-postérieur, de préférence au moyen d'au moins un connecteur flexible et/ou d'un espaceur central flexible servant à raccorder les vertèbres supérieure et inférieure adjacentes.

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