(b)(4).Device manufacture date: the device manufacture date is currently unavailable.Reporter's phone number: (b)(6).Please note that the reporter's full address was not provided.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 the compact air drive device had an undetermined malfunction.During service and evaluation, it was observed that the motor seized, jammed, and was heavy moving.It was noted that the motor was blocked due to worn out and broken fins, the attachment coupling was damaged as it was not possible to engage the attachment, and the reverse running selection trigger was sticky (hardly moves).It was also noted that the device failed pre-repair diagnostic tests for general condition, attachment coupling assessment, attachment coupling with attachments assessment, reverse locking mechanism assessment, air leak, function of the soft mode switch (safety system), and function of the triggers fwd/rev mode.This event did not occur during surgery.There was no patient involvement.There were no reports of 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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