>>93
Factors which affect an initial fixation of an artificial hip joint and its stability over a long period are roughly classified into ( 1 ) the side of implant and ( 2 ) the side of living body as follows.
( 1 ) the surfacial condition of an implant, designs for implant, rubbing surface ( generations of abrasive powders ), etc.
( 2 ) sex, age, physical constitution including weight & body mass index, osteo-quality, extent of activity, etc.
с
