(b)(6).The device was returned for service however did not meet manufacturing specifications during pre-repair assessment.Reliability engineering evaluated the device and observed that the coupling tool side was not functioning.It was further reported that the thread was torn in the tensioning screw.Therefore, the reported condition was confirmed.The assignable root cause could not be determined.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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It was reported from (b)(6) that during service and evaluation, it was discovered that the coupling tool side was defective on the battery handpiece device.It was noted in the service order that the thread was torn in the tension screw and the tension screw did not work at all on the device.The event was not related to surgery.There was no patient involvement reported.There were no injuries, delays, or medical intervention associated with this event.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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