The device was returned to olympus for a device evaluation and the customer¿s allegation was confirmed.The device evaluation found the following: the insertion part had scratches, the grip had scratches, the eyepiece had scratches, the up/down plate had scratches, the lock engagement lever had scratches, the angulation stopper lever had scratches, the fixed ring had a scratch, the image guide had a scratch, the operation part had corrosion, the operation part had a fluid leak, the up/down plate had a fluid leak, the image had a stain, shaky when connecting light source, and the battery indicator disappeared.The investigation is ongoing, and a supplemental report will be submitted upon completion of the investigation or if any additional information is provided.
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This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.Section g2 was corrected with information that was inadvertently omitted from the event.A review of the device history record found no deviations that could have caused or contributed to the reported issue.Based on the results of the investigation, the definitive root cause of the damaged curved rubber could not be determined.Stress may have led to the rupture.The instruction manual identifies verbiage which may have prevented the phenomenon in ¿operating instructions _oes bladder renal pelvic fiberscope cyf-5a: chapter 6: application and conditions of cleaning, disinfection, and sterilization: 6.5: conditions for ethylene oxide gas sterilization¿.Olympus will continue to monitor field performance for this device.
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