It was reported from (b)(6) that during service and evaluation, it was determined that the battery oscillator device had had damaged mechanics, the device was corroded, and the contacts were damaged, the swing fork was worn, and the turn knob was detached from the device.It was further determined that the device failed pretest for general condition, check the quick coupling for saw blades, and check the function of the device.It was noted in the service order that the device would not grip the saw blade, and the saw blade flew off causing a near miss with a staff member.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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Device was used for treatment, not diagnosis.If information is obtained that was not available for this medwatch, a supplemental medwatch report will be filed as appropriate.Additional narrative: the actual device was returned for evaluation.Quality engineering evaluated the battery oscillator device, and it was determined that the device failed visual inspections.It was determined that the cause for detached turn knob of the handpiece is a confirmed design error and has been captured in a capa.Also, the cause for other found defects are due to wear.A review of the service history record indicates that the device has not been serviced for a service condition that is relevant to the current reported condition.Udi ¿ (b)(4).
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