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  • Case report: analysis of an ultra-high-molecular-weight polyethylene acetabular cup retrieval at 41 years.

Case report: analysis of an ultra-high-molecular-weight polyethylene acetabular cup retrieval at 41 years.

Journal of long-term effects of medical implants (2013-02-23)
Frederick J Kummer, Lizeth Herrera, Alec Weir, Kim-Phuong Le, William L Jaffe
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.

MATERIALS
Product Number
Brand
Product Description

Supelco
Polyethylene, analytical standard, for GPC, 2,000
Polyethylene (LDPE), ERM®, certified reference material