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 device was out of calibration and the ends of the control bar were thin.The control bar, shaft bearings, and sleeve bearings were replaced and the device was recalibrated which resolved the reported issue.Review of the device history record identified no deviations or anomalies during manufacturing related to the reported event.Device is used for treatment.Review of complaint history identified additional similar complaints for the reported item and 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 is confirmed.
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