Articulation and Backside Wear Analysis After Long-Term in Vitro Wear Simulation of Vitamin E Stabilized Polyethylene Acetabular Liners With a Press-Fit Locking Mechanism
Abstract:A previous retrieval study analyzed the backside wear of short-term implanted liners against in vitro tested liners of similar life in service and showed comparable results among both groups, with no significant backside wear due to micro-motion.The purpose — to obtain a picture of the overall wear (articulation and backside surfaces) of 0.1% vitamin e blended polyethylene liners, with a locking mechanism based on a press-fit cone in combination with a rough titanium conical inner surface in the fixation area,… Show more
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