Patent ID: 8252027
Filing Date: 2012-08-28
Classification: A61B,A61F

Abstract:
1. A system for replacing at least a portion of a natural facet joint that controls motion between a first vertebra and a second vertebra, the system comprising: a left fixation member implantable in a left pedicle of the second vertebra; a right fixation member implantable in a right pedicle of the second vertebra; a crosslink, wherein the crosslink comprises a half-pipe body; a left inferior facet joint implant comprising: a right inferior facet joint implant comprising: wherein each attachment mechanism comprises a saddle oriented posteriorly to permit insertion of the crosslink into the saddle from a posterior approach; wherein each attachment mechanism is actuatable from an adjustable configuration, in which the position and/or orientation of the corresponding inferior articular surface and/or the second end of the corresponding inferior strut is adjustable relative to the crosslink, and a locked configuration in which the second end, the corresponding inferior articular surface, and the crosslink are rigidly secured to each other.