中文摘要：

用三维有限元法测试并比较新型翼状颈椎间融合器（ACIFC）和自体髂骨植入融合的生物力学性能,探讨ACIFC用于颈椎椎间前路融合的可行性。在大型有限元分析软件ABAQUS中,分别模拟植入ACIFC和植入自体髂骨的颈椎前路椎体间融合术。进行术后即刻稳定性的生物力学分析测定,计算出活动度（ROM）、强度、位移等生物力学指标,并与相关实验数据进行了比较性分析。椎间融合器植入后,平均颈椎活动度下降25%,颈椎强度增加37%,刚度增加7%,位移减少7%。与植入前有非常显著性差异（P〈0.01）。ACIFC能为颈椎椎间前路融合提供足够的初始生物力学稳定性。

英文摘要：

The primary stability offered by an aliform type cervical intervertebral fusion cage（ACIFC）was tested numerically,and its biomechanical performances were evaluated.The anterior cervical spinal fusion procedures were simulated with two groups（iliac crest bone graft and the ACIFC）by using ABAQUS software.Angular range of motion（ROM）、 stiffness and displacement were quantified to assess primary stability and biomechanical relation of the cervical spines.The ROM decreased 25%,the strength of instrumented cervical spine increased 37%,the stiffness increased 7%,and the displacement decreased 7%.Significant difference is presented compared with the noninstrumented（P〈0.01）.The ACIFC can supply the enough primary stability for the anterior cervical spinal fusion.