Spinal stabilization devices, systems, and methods are described. Foramenal spacers including a rigid member adapted to maintain the integrity of the foramenal space. Facet joint stabilizing members and prosthetic facet joints that augment or replace the native facet joint are also described. Lateral...http://www.google.se/patents/US20070168035?utm_source=gb-gplus-sharePatent US20070168035 - Prosthetic facet and facet joint replacement device