(b)(4).(b)(6).The device was returned for service; however, did not meet manufacturing specifications during pre-repair assessment.Reliability engineering evaluated the device and the reported condition was confirmed.The assignable root cause was determined to be due to improper maintenance, which is user error/misuse/abuse.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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It was reported by (b)(6) that during service and evaluation, it was observed that the air oscillator device motor had seized, jammed, and was heavy moving.It was also noted that the device failed pre-repair diagnostic tests for immediate stopping, symmetry, frequency, starting behavior, performance, excessive noise, and air leak.This event did not occur during surgery.There was no patient involvement.There were no reports of injuries, medical intervention or prolonged hospitalization.All available information has been disclosed.If additional information should become available, a supplemental medwatch report will be submitted accordingly.
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