It was reported from (b)(6) that the power drive device had a failure.It was further reported that the device switched off when in use for a longer period of time.It was not reported if the device was used in surgery, or if there was patient involvement.It was not reported if there were any delays in a surgical procedure or if a spare device was available.It was not reported if there were any injuries, medical intervention or prolonged hospitalization.The exact date of this event was unknown.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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Additional narrative: (b)(6).The actual device was returned for evaluation.Reliability engineering evaluated the device and observed that the control unit was not functioning and defective.Therefore, the reported condition was confirmed.The assignable root cause was determined to be due to normal wear from use and servicing.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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