Split spinal device and method

Details Split spinal device and method Split spinal device and method

A - Human Necessities

61

F

A61F 2/44 (2006.01)

Patent

CA 2552522

An artificial spinal joint (100) for creating at least a portion of a coupling between a superior vertebra and an inferior vertebra is disclosed. The artificial spinal joint comprises a first arthroplasty half (102) comprising a first articulating joint replacement component for placement in an intervertebral disc space between the superior and inferior vertebrae, a first posterior joint replacement component (108,114) , and a first bridge component (110,116) coupled between the first articulating joint replacement component and the first posterior joint replacement component. The artificial spinal joint further comprises a second arthroplasty half (104) comprising a second articulating joint replacement component for placement in an intervertebral disc space between the superior and inferior vertebrae, a second posterior joint replacement component (148,154), and a second bridge component (150,156) coupled between the second articulating joint replacement component and the second posterior joint replacement component. The first articulating joint replacement component is engaged with the second articulating joint replacement component.

L'invention concerne une articulation vertébrale artificielle (100) permettant de créer au moins une partie d'accouplement entre une vertèbre supérieure et une vertèbre inférieure. L'articulation vertébrale artificielle est formée d'une première moitié (102) d'un dispositif arthroplastique comprenant un premier composant de remplacement d'articulation destiné à être placé dans un espace discal intervertébral entre les vertèbres supérieures et inférieures, un premier composant postérieur (108, 114) de remplacement d'articulation, et un premier composant (110, 116) de support couplé entre le premier composant de remplacement d'articulation et le premier composant postérieur de remplacement d'articulation. L'articulation vertébrale artificielle comprend également une seconde moitié (104) d'un dispositif arthroplastique comprenant un second composant de remplacement d'articulation destiné à être placé dans un espace discal intervertébral entre les vertèbres supérieures et inférieures, un second composant postérieur (148, 154) de remplacement d'articulation, et un second composant (150, 156) de support couplé entre le second composant de remplacement d'articulation et le second composant postérieur de remplacement d'articulation. Le premier composant de remplacement d'articulation vient en contact avec le second composant de remplacement d'articulation.

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