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目前应用广泛的先天性心脏病封堵器的材料主要为镍钛合金。本文对该封堵器的生物相容性及安全性和先天性心脏病病人,植入封堵器后血清镍浓度的变化及其对人体的影响作一综述。
At present, a wide range of congenital heart disease occluder material is mainly nickel-titanium alloy. This article reviews the biocompatibility and safety of the occluder and the changes of serum nickel concentrations in patients with congenital heart disease and implanted occluders and their effects on the human body.