生物医用镁合金改性方法的比较  

Comparison Study on the Improvement Methods of Biomedical Madnesium Alloy Performance

作　　者：周贵[1] 侯晓蓓[1] 张东衡[1] 胡兆燕[1] 

机构地区：[1]上海医疗器械高等专科学校精密医疗器械系,上海200093

出　　处：《中国医疗器械信息》2011年第8期1-5,共5页China Medical Device Information

摘　　要：镁合金是一种生物相容性良好,市场潜在需求巨大的生物医用材料。但由于降解速率太快,成为其扩展应用的瓶颈。本文综述了镁合金主要采用的改性技术:纯化镁合金、镁合金的合金化、镁合金的热处理、镁合金的表面处理,其中主要比对了各种镁合金的表面改性方法,分析了各种方法的优缺点,为持续改善镁合金的降解性能提供一定的参考。Magnesitm alloys are biomedical material which have good biocompatibility and huge potential market demand.However,fast degradation rate became the bottleneck of their expanding application.This paper reviews the mainly modification technology of magnesium alloys：purification on magnesium alloy,alloying of magnesium alloy,heat treatment,surface treatment of magnesium alloys;It compares the various surface modification methods of magnesium alloys.It analyzes the advantages and disadvantages of various methods.This paper provides certain reference for continuous improvement of degradation on magnesium alloys.

关 键 词：镁合金 化学转化处理 微弧氧化 有机涂层 金属离子注入涂层 溶胶/凝胶法 电化学沉积法 

分 类 号：R318.08[医药卫生—生物医学工程]