Posterior interbody fusion and RF pedicle screw spinal system provide fixation with satisfactory clinical results and relatively high fusion rate.
经后路采用RF椎弓根螺钉系统能使腰椎滑脱得到较为确实的复位和固定,脊柱融合率高,临床效果满意。
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Conclusion Posteriorspinal fusion is an effective operation treating degenerative lumbar instability, internal fixation can enhance the rate of spinal fusion and improve symptoms of patients.
BACKGROUND: Pedicle screw which passes through the three columns and has three-dimensional correction function, which has quickly become the standard posteriorspinal internal fixation.