(b)(4).Concomitant medical products: catalog#: 00801803201 femoral head -3.5x32mm dia lot#: 61394013, catalog#:00631005632 xlpe 10 deg poly liner 56x32 lot#:60819048.The event was confirmed with medical records received.Medical records identified, patient experienced severe pain along with 3 dislocations in one month and 1 self-reported dislocation with self reduction performed post implantation.The patient had elevated metal ions with corrosion noted on trunnion.Significant necrosis and tissue damage, along with pseudotumor was noted during the revision.The head and liner were removed and new ceramic head and rim liner were implanted.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: 0002648920-2019-00658, 0001822565-2019-03828.
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It was reported patient underwent a revision procedure approximately eight years post implantation due to dislocations including a dislocation with self reduction performed, elevated metal ions with corrosion noted on trunnion.Significant necrosis and tissue damage, along with pseudotumor.
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