The subject device was returned to olympus service operation repair center (sorc).Sorc checked the subject device and found that the reported phenomenon was occurred due to physical stress.The subject device was not returned to olympus medical systems corp.(omsc) for evaluation.Therefore, the exact cause of the reported event could not be conclusively determined.The manufacturing record was reviewed and found no irregularities.Omsc presumed that the instrument channel port was deformed because the excessive force was applied when attaching or detaching the forceps/irrigation plug.
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