Surface stress: a factor influencing ultra high molecular weight polyethylene durability in mobile-bearing knee design.
biomechanical · Level V
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- Record sourced from PubMed, PMID 17549865.
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Abstract
The continuing global interest in the use of total and unicompartmental mobile-bearing knee designs is manifest by an appreciation of their clinical performance. Like their fixed plateau counterparts, mobile-bearing knees are influenced by patient and surgical variables as well as design, material, and manufacturing choices. This article is a focused description of tibiofemoral surface stress distributions, as a predictor of in vivo material durability for three contemporary designs at positions encountered during daily activity.
Medical subject headings
- Arthroplasty, Replacement, Knee
- Knee Joint
- Knee Prosthesis
- Weight-Bearing
Anatomy
- knee