The device used for treatment was returned for evaluation.The reported problem was confirmed, the snap lock nut (new style with pin) has broken loose from the snap lock assembly.A functional evaluation could not be performed due to the broken snap lock nut.A review of manufacturing and service records indicate the device met all specifications upon release into distribution.A complaint history review for similar reported/confirmed complaints associated with the handpiece and failure mode(s) "error message(s)" identified similar events.The most likely cause of this event is the mechanical failure of the snap lock.No further containment or corrective actions are recommended at this time.
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