The subject device was returned to olympus service operation repair center (sorc).Olympus medical systems corp.(omsc) could not investigate the subject device, because the subject device was not returned to omsc.Device history record review indicates that the product was manufactured and tested in accordance with all applicable procedures and met all final product release criteria.Since the subject device was not returned to omsc, the exact cause was unknown.Omsc surmised that the reported phenomenon occurred since excessive force was applied to the instrument channel port of the subject device when attaching and detaching the forceps/irrigation plug to/from the instrument channel port.
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