(b)(4).Multiple mdr reports were filed for this event, please see associated reports 0001825034-2019-04619.Customer has indicated that the product will not be returned to zimmer biomet for investigation.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.
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(b)(4).This follow-up report is being submitted to relay additional information.Updated: b4, b5, g4, h1, h2, h3, h6, h10.Complaint sample was evaluated and the reported event was confirmed.Reported event was confirmed by review of medical records.Review of the revision operative notes confirms that the patient underwent revision left due to due to elevated metal ions, osteolysis and altr.During the procedure it was difficult to disengage the metal on metal liner from the shell.Removed the socket complete with one 25mm screw.Device history record (dhr) was reviewed and no discrepancies 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.
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