Concomitant medical products: item name: persona femal trabecular metal cr narrow, item number: 42502206601, lot number: 62718155.Item name: persona articular surface cr, item number: 42512000410, lot number: 62559445.Item name: nexgen tm patella, item number:.00587806532 , lot number: 62708947.Reported event was unable to be confirmed due to limited information received from the customer.Dhr was reviewed and no discrepancies relevant to the reported event were found.Review of the complaint history determined that no further action is required as no were trends identified.The devices were evaluated for compatibility with no issues found.Per the packaging insert associated with the device malignment and instability of the knee components are a known inherent risk of the procedure.However, a root cause cannot be determined at this time.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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