The subject device has not been returned to olympus medical systems corp.(omsc) for evaluation, but we obtained a picture showing damaged device.The manufacturing record of the subject device was reviewed without irregularity related to this event.The exact cause of the event could not be concluded at this moment.Based on the picture, it might be a possible cause that hf electrode was activated when it was in the instrument channel of the subject device.If additional information is available, this report will be supplemented.
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