This event has been recorded by zimmer biomet under (b)(4).Investigation is completed.This is an initial final report submission.Review of the most recent repair record determined the unit was heavily worn and there was some corrosion on the reciprocating arm.Additionally, the width plates were damaged and the control bar was thin.The machined head, neckpiece, sleeve and needle bearings, reciprocating arm, and control bar were replaced to resolve the reported issue.The width plates were returned damaged as they are not repairable.Review of the device history record identified no deviations or anomalies during manufacturing related to the reported event.A definitive root cause cannot be determined.The event is confirmed.If any further information is found which would change or alter any conclusions or information, a supplemental report will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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