Objective To utilize SOCON nail and hook system for pedicle of vertebral arch in the treat ment of lumbar vertebrae isthmus spondyloschisis in teenager,and observe the fi xation 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。