(b)(4).Complaint sample was evaluated and the reported event was confirmed.Upon visual inspection the liner has been fractured.However, no further analysis was performed due to the impaction to the liner.There is circular gouging on the liner.There is no damage to the outside of the shell however the inside diameter has deep gouging and damages to the locking feature.Dhr was reviewed and no discrepancies relevant to the reported event were found.Root cause was unable to 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.Multiple mdr reports were filed for this event, please see associated reports: 0001825034-2018-04137.
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