用扫描电镜和X线能谱仪研究镍钛聚髌器在体内的变化和不良反应

Poor-reactions of the NiTinol-Patellar Concentractor in Human Body by Scanning Electronic-microscope and X-ray Microanalysis System

通过用扫描镜和X射线能谱仪联机对NT—PC元素成份的对照研究,发现NT—PC由Ni、Al、Ti、Au四种元素组成;TN—PC在生物体液的腐蚀过程中,使用前后元素重量发生显著变化,它对人体的不良反应是恶化细胞的化学环境,加重炎性反应,使骨脱钙,NT—PC与其它金属材料混合使用,腐蚀情况更严重,易在体内发生断裂。为减轻NT—PC的腐蚀以及对人体的不良反应,作者提出NT—PC不能在人体内久置,不能多次反复使用,不宜与其它金属材料混合使用,使用中还应采取克服机体应力的措施。

It is found that NT-PC is composed of Ni, Al, Ti and Au by using scanning electronic-microscope and X-ray microanalysis. During the course of corrosion of NT -PC in oranican fluid, considerable changes have been observed in the weight of elements. The side-effects'of NT-PC in human body includes aggravating the cell-living environment and causing serous inflamation and bone decalcification, while it is used with other metal materals, the corrosion will be more serious and fracture occurs easily. The author proposses that prolonged placement and repeated use and the use of combining with other metal materials should be avoided. Some measures should be taken to overcome organism stress.