Initial stability of a cementless acetabular cup design: experimental investigation on the effect of adding fins to the rim of the cup.


Different design solutions have been suggested for improvement of the initial stability of cementless acetabular cups, such as adding threads, spikes, or pegs to the hemispherical geometry, the pore structure of the surface; and screw fixation. This experimental study investigated the effect of fins on the initial stability of the acetabular cup. Three… (More)


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