Objective To evaluate initial experience of nitinol shape memory alloy stent as an alternative to colostomy in patients with rectal obstruction.
目的探讨镍钛形状记忆合金支架治疗良恶性直肠梗阻的疗效及意义。
Methods We designed a kind of radius-ulna shape memory connector on the basis of the shape memory property of nitinol alloy and the anatomic characteristics of radial and ulnar diaphyses .
方法利用镍钛合金的记忆效应和尺、桡骨干的解剖特征，研制具有三维固定作用并能纵向记忆加压于骨断端的尺桡骨形状记忆接骨器。
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