(b)(4).(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.It was further determined that the root causes for the issue was due to excessive side load lateral force or rocking while attempting to cut a bone flap.The assignable root cause was determined to be due to user error.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 discovered that the craniotome device had a bent and a worn out tip.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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