It was reported that during an unspecified neuro surgery, it was observed that the compact speed reducer device was not rotating.There were no delays to the surgical procedure as an identical spare device was available for use.There was patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.The exact date of event was unknown.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
|
The actual device was returned for evaluation.Reliability engineering evaluated the device and observed that the device gearbox was worn out.Therefore, the reported condition was confirmed.The assignable root cause was determined to be due to normal wear from use and servicing over time.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.
|