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。
Higher equivalent stress was found when compression and extension loadings were applied to the pedicle of vertebral arch and interarticularis.
椎弓根和椎弓峡部在压力和后伸负荷下等效应力较高。
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.
结论SOCON椎弓根钉钩系统是治疗青少年椎弓根峡部裂是一种比较理想的方法。
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。
Objective To observe the projection of pedicle of lumbar vertebral arch on the vertebral body and research the regular pattern of its central point.
目的观测腰椎椎弓根在椎体上的投影，探寻其中心位位置的规律。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
Intraoperative posterior approach general spine pedicle screw-rod orthopaedics fixation system used and iliac bone block were implanted in space of posterior atlantal arch and axial vertebral plate.
术中应用经后路通用脊柱椎弓根钉棒矫形固定系统固定，同时在寰椎后弓和枢椎椎板间大量髂骨植骨融合。
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