This event has been recorded by zimmer biomet under (b)(4).This medwatch is being filed to relay additional information.Review of the most recent repair record determined the bearing was worn and loosening and the motor, bearings, o-ring, seal, reciprocating arm, and external e-ring were replaced and resolved the reported issue.It was noted that the device has not been regularly returned for annual pm since it was manufactured.Review of the device history record identified no deviations or anomalies during manufacturing.Device is used for treatment.Review of complaint history identified additional similar complaints for the reported item and no additional complaints for the reported part and lot combination.Complaints are monitored through monthly complaint review in order to identify potential adverse trends.A definitive root cause cannot be determined.No corrective actions, preventive actions, or field actions resulted after investigation of this event.The event cannot be confirmed.
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