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Journal of Long-Term Effects of Medical Implants
SJR: 0.332 SNIP: 0.491 CiteScore™: 0.89

ISSN Print: 1050-6934
ISSN Online: 1940-4379

Journal of Long-Term Effects of Medical Implants

DOI: 10.1615/JLongTermEffMedImplants.v22.i2.80
pages 177-179

Case Report: Analysis of an Ultra-High-Molecular-Weight Polyethylene Acetabular Cup Retrieval at 41 Years

Frederick J. Kummer
NYU Hospital for Joint Diseases, NY 10003
Lizeth Herrera
Stryker R&D, Mahwah NJ
Alec Weir
Stryker R&D, Mahwah NJ
Kim-Phuong Le
Stryker R&D, Mahwah NJ
William L . Jaffe
NYU Hospital for Joint Diseases, New York

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.