Objective to design a new type of posterior lumbar interbody fusion cage made of NiTi shape-memoryalloy and to evaluate its histological and biomechanical behavior through animal study.
目的研制一种新型镍钛形状记忆合金腰椎椎体间融合器，通过动物实验了解其生物力学和组织学性能。
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Shapememoryalloy wires can increase the critical temperature of the beam, and also can restrain thermal buckling occurring or make the post-buckled beam back to initial equilibrium states.