This event is recorded by zimmer biomet under (b)(4).Review of the most recent repair record determined the rpms were erratic, the control bar was loose and calibration was in at all readings.The motor, eccentric shaft, fine adjustment cams, bearings, switch, reciprocation arm, screws, plug harness assembly and other worn parts were replaced and resolved the reported issue.Review of the device history record identified no deviations or anomalies during manufacturing.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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