Objective: To compare the initial stability and pullout strength of threaded and non threaded cervicalinterbodyfusion devices on human specimens by biomechanical method.
目的：用生物力学的方法比较螺旋式与环式椎体融合器的初始稳定性和拔出力量。
2
Objective: To observe and compare the clinical and radiological results of two kinds of interbodyfusion cages after anterior decompression through cervical disc space.
目的：观察比较两种颈椎椎体间融合器经椎间隙减压融合术后的影像学表现及临床疗效。
3
Objective To explore the application of the curling Ti-net interbodyfusion for the treatment of cervical vertebral burst fracture in anterior operation.