人工関節用材料の磨耗特性評価(OS.2 バイオエンジニアリング)

概要

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The wear powder produced by friction of an artificial joint affects a surrounding tissue, and causes a re-operation accompanied by pain. Thus, the wear properties of the material used in an artificial joint markedly influences the performance and life of an artificial joint. In this study, wear test was conducted with the combination of the material which can consider the application for artificial joint material. The 25% calf serum solution which is standardized as a lubricant by ISO, 0.9%NaCl which is a little decay in comparison with calf serum solution, and Eagle's culture medium solution, were used for lubricant. The wear characteristics, such as a coefficient of friction were compared in three solutions. As a result, all of the combination of UHMWPE and various material has hardly worn out. Especially in the Eagle's culture medium solution, wear loss and frictional coefficient showed the high value than that of 0.9%NaCl.
社団法人日本機械学会の論文
2004-03-03