(b)(6).This 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 wear from normal 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.
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It was reported from (b)(6) that during service and evaluation, it was observed that the bearings on the attachment device were damaged.It was further determined that the bearings were defective, tool was jammed, pins of the extension shaft were sheared and distorted, and the triangle symbol was missing.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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