A dynamic stabilization device includes end caps that define a bore for receiving a corresponding bone screw therethrough. A spacer is engaged between each end cap and a cable passes through each of the components and is placed in tension to couple the spacer between the two end caps. The spacer is formed...http://www.google.fr/patents/US7993375?utm_source=gb-gplus-shareBrevet US7993375 - Dynamic stabilization devices and methods
