Objective To study the therapeutic efficacy of radioactive nickel titanium memory alloy stent in treatment of advanced malignant biliary obstruction.
目的探讨放射性镍钛记忆合金胆道内支撑架对晚期恶性胆管梗阻的治疗效果。
Nickel-titanium alloy has special practical value in medicine for its great characteristics of shape memory and super-elasticity.
镍钛合金以其良好的形状记忆性和超弹性在医学上具有特殊的应用价值。
Nickel-Titanium memory alloy stent;
镍钛记忆合金支架；
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