Spinal stabilization devices, systems and methods are provided that include a stabilization member including a first structural member that mounts to a pedicle screw, a second structural member adjacent the first structural member and that can move away therefrom, a resilient element mounted between...http://www.google.com/patents/US7811309?utm_source=gb-gplus-sharePatent US7811309 - Dynamic spine stabilization device with travel-limiting functionality
