TiNi形状记忆合金在接骨中的应用  

The Application of TiNi Shape Memory Alloys to Coaptation

作　　者：王淑华[1] 郝翠冉 耿贵立[3] 

机构地区：[1]山东建筑工程学院数理系,济南250014 [2]山东化工规划设计院,济南250013 [3]山东大学材料科学与工程学院,济南250061

出　　处：《生物骨科材料与临床研究》2004年第2期33-35,38,共4页Orthopaedic Biomechanics Materials and Clinical Study

摘　　要：目的将具有形状记忆效应和生物相容性的TiNi合金用于接骨件。方法先将TiNi合金设计成接骨扒钉、接骨板、骨髓波形针和接骨环,然后进行形状记忆处理。根据TiNi形状记忆合金件的形状进行变形,将变形后的TiNi状形记忆合金件与断骨进行连接。之后,随着体温或体外热源对合金的加热,温度达到合金的Af点后,变形后的TiNi状形记忆合金接骨件便可自动恢复原来的形状或尺寸,将断骨紧固在一起。结果结合牢固、不易变形和松动,性能优于不锈钢。结论TiNi形状记忆合金接骨扒钉、接骨板、骨髓波形针和接骨环可以用于接骨手术中。Objective To use TiNi shape memory alloys with biocompatibility makes pieces of coaptation. Methods Make coaptation cramp, plate, medulla waveform needle or ring from TiNi alloys, then conduct the treatment of shape memory. According to shapes of pieces of TiNi shape memory alloy and deforming them, then broken bones are connected with deformed piece of TiNi shape memory alloy. The piece is heated by patient's temperature or heat source of outside. After temperature of the alloy reaches Af, the deformed piece of TiNi shape memory alloy returns automatically original shape or size and broken bones are tightly joined together. Results Jointing is firm, not easy deformation and looseness, the performance is better than stainless steels. Conclusion The coaptation cramp, plate, medulla waveform needle or ring of TiNi shape memory alloys may be used in setting a broken bone.

关 键 词：TINI合金 形状记忆 接骨件 生物相容性 

分 类 号：R318.08[医药卫生—生物医学工程]