periodical bending resistance test in screws with hollow lateral holes in pedicle of vertebral arch was made on the rest 12 vertebrae.
另外12个椎体做空心侧孔椎弓根螺钉的周期抗屈试验。
objective to utilize socon nail and hook system for pedicle of vertebral arch in the treatment of lumbar vertebrae isthmus spondyloschisis in teenager, and observe the fixation and fusion effect.
目的应用socon椎弓根钉钩系统治疗青少年椎弓根峡部裂,观察固定和融合效果。
the therapeutic effect of nerve decompression and vertebral canal plasty combined with the screw-rod system fixation of posterior pedicle of vertebral arch and the fusion of bone graft is fine.
神经减压和椎管成型辅以后路椎弓根钉捧系统同定及植骨融合术治疗退行性下腰椎不稳疗效优良。
the length of pedicle of vertebral arch showed a gradula increase downwards.
椎弓根高及厚在距重力线较近的椎骨明显增大;
conclusion the application of socon nail and hook system for pedicle of vertebral arch in the treatment of teenagers lumbar vertebrae isthmus spondyloschisis is a good meth od.