Ageing performance of a compliant layer bearing acetabular prosthesis in an ovine hip arthroplasty model

Carbone, Angelo, Howie, Donald W., McGee, Margaret, Field, John, Pearcy, Mark J., Smith, Nigel, & Jones, Eric (2006) Ageing performance of a compliant layer bearing acetabular prosthesis in an ovine hip arthroplasty model. Journal of Arthroplasty, 21(6), pp. 899-906.

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The wear performance of a polyurethane compliant layer (CL) material formed into an acetabular component and implanted into a sheep model of cemented total hip arthroplasty was assessed at 6, 12, 24, and 48 months. Four (11%) of 36 acetabular components debonded from the cement and one component was slightly loose at the cement-bone interface. There was no macroscopic evidence of fracture, wear, or deformation of the CL material on the articular surface of the acetabular components. Small numbers of polymeric wear particles was found in the hip synovial tissues of 10 sheep, most commonly in the early time groups, and were likely associated with initial wear of surface asperities. The wear performance of the CL was unchanged during a 48-month implantation period.

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ID Code: 8252
Item Type: Journal Article
Refereed: Yes
Additional Information: For more information, please refer to the journal’s website (see hypertext link) or contact the author.
Author contact details:
Keywords: hip, arthroplasty, polyurethane, wear, in vivo
DOI: 10.1016/j.arth.2005.07.023
ISSN: 0883-5403
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Biomechanical Engineering (090302)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2006 Elsevier
Deposited On: 26 Jun 2007 00:00
Last Modified: 29 Feb 2012 13:18

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