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A study of the wear of explanted metal-on-metal resurfacing hip prostheses

Lookup NU author(s): Professor Tom Joyce, David Langton

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Abstract

Due to their recent introduction there are few studies of retrieved resurfacing hip prostheses. Nine such components associated with groin pain in patients, and five associated with early fracture of the femur, were obtained and analysed using a roundness measuring machine. While the 'fracture' components showed no more than 3 mu m out of roundness, components associated with groin pain showed between 15 and 92 mu m out of roundness values. These latter results indicate wear and correlated with high metal ion levels in these patients, therefore the groin pain was likely associated with an adverse reaction to excessive metal wear debris. (C) 2010 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Joyce TJ, Langton DJ, Nargol AVF

Publication type: Article

Publication status: Published

Journal: Tribology International

Year: 2011

Volume: 44

Issue: 5

Pages: 517-522

Print publication date: 20/04/2011

Date deposited: 11/01/2012

ISSN (print): 0301-679X

ISSN (electronic): 1879-2464

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.triboint.2010.04.006

DOI: 10.1016/j.triboint.2010.04.006

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