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Case report: analysis of an ultra-high-molecular-weight polyethylene acetabular cup retrieval at 41 years
Frederick J Kummer1, Lizeth Herrera, Alec Weir
1NYU Hospital for Joint Diseases, NY, USA. fkummer@yahoo.com
Journal of Long-Term Effects of Medical Implants
|February 23, 2013
Abstract:
A polyethylene cup explanted after 41 years was examined using several analytical techniques to determine whether there was a material cause for the extremely low wear observed. Neither the amount of polyethylene oxidation nor crystallinity appeared to be a factor.