It was reported that during surgery the device did not hold calibration and as a result cut too deep.Normal dressing was used to address issue.Surgeon noticed the issue with the depth before it harmed the patient.There was no harm, no delay, and no medical intervention required.No adverse events were reported as a result of this malfunction.
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This event has been recorded by zimmer biomet under (b)(4).Review of the most recent repair record determined the calibration was out at all readings and the machined head had damage that would not allow the department control blade to fit properly.The control bar, thickness control shaft, head, fine adj cams, vespel bearings, and semi-circle bearings were replaced and resolved the reported issue.Device is used for treatment.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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