The subject device was returned to olympus medical systems corp.(omsc) for evaluation.Omsc confirmed that the endoscopic image on the monitor was disappeared and error b30 was displayed on the monitor after a long period of applying the power.Therefore it was consider that some electrical component of the subject device was damaged.Also, the subjected device had been used for seven years without any repair.The exact cause of the reported phenomenon could not be conclusively determined, however there was the possibility that the electrical component damage was attributed to deterioration due to the long-term use.Also omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.If significant additional information is received, this report will be supplemented.
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