Dual articulating spinal device and method

Details Dual articulating spinal device and method Dual articulating spinal device and method

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2552077

An artificial spinal joint (100) creates at least a portion of a coupling between a superior vertebra and an inferior vertebra. The artificial spinal joint comprises an anterior joint replacement component (106, 112) extending into an intervertebral disc space between the superior and inferior vertebrae. The artificial spinal joint further comprises a bridge component (110, 116) coupled to the anterior joint replacement and extending posteriorly from the anterior joint replacement beyond the intervertebral disc space and a posterior joint replacement component (108, 114) coupled to the bridge, wherein the posterior joint replacement component includes a posterior protrusion (120) engaged with a posterior socket (124).

L'invention concerne une articulation vertébrale artificielle (100) formant au moins une partie d'accouplement entre une vertèbre supérieure et une vertèbre inférieure. L'articulation vertébrale artificielle comprend un composant antérieur (106, 112) de remplacement d'articulation s'étendant dans un espace discal intervertébral entre les vertèbres supérieures et inférieures. L'articulation vertébrale artificielle comprend un composant (110, 116) de support couplé au composant antérieur de remplacement d'articulation et s'étendant vers l'arrière à partir du composant antérieur de remplacement d'articulation au-delà de l'espace discal intervertébral et un composant (108, 114) postérieur de remplacement d'articulation couplé au support, le composant postérieur de remplacement d'articulation comprenant une saillie postérieure (120) venant en contact avec un raccord postérieur (124).

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