退变椎间盘在骨质疏松椎体应力分布中作用的有限元方法研究

Finite Element Procedures Study on Mechanic Behavior of Centrum Degrading in Osteoporosis Centrum

目的:通过有限元方法,研究椎间盘退变在骨质疏松性椎体骨折发生的前期力学行为。方法:通过有限元方法建立椎体运动节段有限元模型,赋予骨质疏松及退变椎间盘物理参数,加载负荷后计算椎体应力分布情况。结果:椎间盘的退变导致了椎体局部应力更容易在局部集中。结论:椎间盘退变增加椎体骨折风险。

Objective：This paper is to study the mechanic behavior of centrum degrading in the early period ot osteoporosis centrum fracture through finite element procedures. Method：Build the finite element model of centrum subsection through finite element procedures,endowing osteoporosis and degrading subsection with physics paramenter, and calculate the stress distribution of centrum after loading onus. Conclusion：Centrum＇s degrading increases the risk of centrum fracture.