Objective To study the operative method and effect of posterior atlantoaxial facet screw fixation for atlantoaxial instability.
目的探讨寰枢椎不稳定患者行寰枢椎后路经关节改良螺钉内固定手术方法与疗效。
2
Objective:To evaluate the efficacy of TSRH(Texas Scottish Rite Hospital Instrumentation) pedicle screw spinal system in the treatment of lumbar spine instability.
目的：评价TSRH椎弓根钉系统在治疗腰椎不稳症中的效果。
3
Objective: to evaluate the efficacy of decompress laminectomy, pedicle screw fixation and posterior lumbar fusion in the treatment of degenerative lumbar spinal instability of elder patients.