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Biomedical Engineering and Bioengineering Commons

Open Access. Powered by Scholars. Published by Universities.®

2013

Biomaterials

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Full-Text Articles in Biomedical Engineering and Bioengineering

Scratch Damage Evolution On Metals In Total Joint Replacements, Caleb Eljach Dec 2013

Scratch Damage Evolution On Metals In Total Joint Replacements, Caleb Eljach

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The goal of total joint replacement (TJR) is to replace nonfunctioning joint components and relieve pain, improve quality of life, and to improve joint function. Although TJR is a successful procedure, more than 54,000 knee revisions occur each year due to factors, such as wear, loosening, infection, fracture, instability, and patient related factors (Ranawat, 2010). TJRs consist of components typically composed of polyethylene and a metallic counterface (Navarro, 2008). The sliding contact that occurs between the metal and polyethylene components has been well studied and is shown to produce both surface damage and wear of the implant components (Barbour ...