Objective:To investigate surgical indication for Bryan cervical disc prosthesis in Asian and study early clinical effects and manual operative point,to observe the range of movement(ROM) postoperative.

• 目的: 探讨颈椎间盘置换的手术适应证, 分析Bryan颈椎间盘假体手术操作要点, 并对手术治疗的效果从医师和患者两方面进行评价。