This supplemental report is being submitted to provide additional information.The subject device was returned to olympus medical systems corp.(omsc) for evaluation.In the evaluation of omsc the following was confirmed; as a result of energizing the subject device for a long time, omsc could reproduce the reported phenomenon which was that the endoscopic image disappeared.Omsc disassembled the subject device.However, there were no abnormalities in the subject device.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of this reported event could not be conclusively determined, however there is possibility that this phenomenon is attributed to the accumulation of the electrical stress.There were no further details provided.If significant additional information is received, this report will be supplemented.
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