Device was used for treatment, not diagnosis.If information is obtained that was not available for the initial medwatch, a follow-up medwatch will be filed as appropriate.The device was returned for evaluation.During repair, an evaluation was performed and it was determined that the reported condition was confirmed.The assignable root cause was traced to component failure due to normal wear.Udi: (b)(4).
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It was reported from (b)(6) that during service and evaluation, it was determined that the recon sagittal saw device housing was bent, the bearing was worn, the thread saw blade coupling and components were damaged, had low power and had unintended motion.It was further determined that the device failed pretest for general condition, leakage test using bubble emission technique, check coupling screw of saw blade coupling, check the saw blade coupling, check the rotating mechanism of the saw head, check roundness of housing, check for unintended motion and check oscillation frequency with frequency meter.It was noted in the service order that the device did not work.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 will be submitted accordingly.
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