(b)(4).Medical product: articular surface medial congruent (mc) catalog # 42512100514 lot # 64267672, inset all-poly patella cemented 26 mm diameter catalog # 42540200026 lot # 64775962, articular surface medial congruent (mc) left 10 mm height use with tibia sizes c-d/cr femur sizes 8-9 catalog # 42512100510 lot # 64463436, depuy cmw 2 bone cement catalog # 3322-040 lot # 8723770, natural tibia trabecular metal two-peg porous fixed bearing left size d catalog # 42530006701 lot # 64517314.(b)(4).Report source: (b)(6).Multiple mdr reports were filled for this event: 3007963827-2022-00148.Reported event was unable to be confirmed due to limited information received from the customer.Device was not returned.Visual evaluation of the provided pictures identified a femoral and articular surface, both are covered in a foreign material.Device history record (dhr) was reviewed and no discrepancies relevant to the reported event were found.A definitive root cause cannot be determined.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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