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D10: femoral component cr, porous size 5, - 02-010-04-0350 - 3866284 fit tibial tray cemented size 5f/4t - 02-012-45-5040 - 4118295 three peg patella, 38mm - 200-02-38 - 4375898 the revision reported was likely the result of prosthesis wear, osteolysis, and an insufficient bond between the femoral component and the bone, which led to the reported aseptic (non-infected) femoral loosening.Possible causes for polyethylene wear include malalignment between the implants, high contact stresses during knee flexion, third body wear, patient-related conditions, instability, or any combination of these possibilities.The extent and root cause of the prosthesis wear, femoral loosening, and osteolysis could not be determined as the devices were not returned for evaluation.The product associated with the reported event is within the scope of recall z-0021-2022; however, there is insufficient information to evaluate whether the subject issue of the recall was a cause or contributor to the reported event.If any further information is obtained that would change or alter any information provided, a supplemental report will be filed accordingly.
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