(b)(4).Medical product: item number: 110031422, item name: humeral bearing, lot number: 64361197; item number: 110030777, item name: versa-dial glenosphere, lot number: 64416224.Reported event was confirmed per the x-rays and visual assessment which stated disassociated humeral poly from humeral tray found.The returned tray and bearing showed damage.The glenosphere was not returned.Medical records were provided and reviewed by a health care professional.Review of the available records identified the following: revision was 2-month status post left total reverse shoulder noted 'did well till suffered an injury and dislocated prosthesis.' disassociated humeral poly from humeral tray found.Replaced tray and poly found stable and good rom.No complications.Device history record was reviewed and no discrepancies relevant to the reported event were found.A definitive root cause could not 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 - 2020 - 04043, 0001825034 - 2020 - 04044.The information provided on this form was previously submitted under manufacturing report number 0001825034-2020-04042.
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