Periodical bending resistance test in screws with hollow lateral holes in pedicleofvertebralarch 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。
2
Higher equivalent stress was found when compression and extension loadings were applied to the pedicleofvertebralarch 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。
3
Conclusion The application of SOCON nail and hook system for pedicleofvertebralarch in the treatment of teenagers lumbar vertebrae isthmus spondyloschisis is a good meth od.