改进型分体螺旋式人工髋的生物力学试验与临床应用

BIOMECHANICAL EXPERIMENT AND CLINICAL APPLICA-TION IN MODIFIED FISSILE SPIRAL STYLE ARTIFICIAL HIP JOINT

本文对改进型分体螺旋式人工髋进行生物力学试验研究。在髋关节力作用下，给出了关节、股骨内外侧的应力、应变分布曲线。同时对人工髋进行了强刚度试验。生物力学试验结果与临床应用表明，改进型分体螺旋式人工髋能形成牢固的生物学固定，应力传导合理，不易引起置换后的假体松动与断裂，而且应力遮挡很小，有利于骨折愈合。

Tish article researches on the bilmddimical experiments with modified fissile spiral style artificialflip joint.With the applied force of hip joint, It is illustrated with joint, stress on the inside andoutside or femur and strein distribution curve. Moreover experiments are conducted on the firmnessof the artificial hip joint. biomedinical experiments and clinieal apllieation indicate that modifiedfissile spiral style artificial hip joint can form secure biological fixation and make reasonal stressconduction