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Background The BIOLOX® option system, consisting of a BIOLOX® delta ceramic femoral head with a titanium alloy adapter sleeve, is being increasingly utilized in revision hip arthroplasty. The sleeve protects the ceramic head from fracture and improper motion about the stem trunnion when a damaged trunnion is encountered at revision surgery. Corrosion and fretting due to metal-metal contact at the...
Background Femoral stem fracture following total hip arthroplasty is an uncommon event that requires immediate revision surgery. Questions/Purposes We report on four patients who experienced stem fractures of one design and a review of the US Food and Drug Administration adverse event reports on this design. Methods Fracture surfaces of four EMPERION™ (Smith & Nephew, Memphis, TN) femoral...
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