Invention Grant
US09226779B2 Pedicle screw assembly and dynamic spinal stabilization devices incorporating the pedicle screw assembly 有权
椎弓根螺钉组件和结合椎弓根螺钉组件的动态脊柱稳定装置

Pedicle screw assembly and dynamic spinal stabilization devices incorporating the pedicle screw assembly
Abstract:
A dynamic spinal stabilization device for the treatment of high-grade spinal disorders is disclosed herein. The dynamic spinal stabilization device includes two or more screw assemblies, each of which include a pedicle screw and a head socket containing a curved internal track that limits the range of motion and center of rotation of the spinal segments stabilized using the device to the physiological levels of a nondegraded spinal segment.
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