This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.Corrected field: d5.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 3 years since the subject device was manufactured.Based on the investigation results, it is likely that the malfunction was caused by the following factors: nonconformity was confirmed with the ¿insertion tube scratched¿ from the device inspection results.Therefore, it is possible that the insertion section was subjected to stress, leading to the suggested event.This stress could have been physical, such as scratching or hitting the insertion section, or chemical, due to reprocessing methods not recommended by the instructions for use reprocessing manual.Additionally, poor storage conditions (such as exposure to direct sunlight, high temperatures, high humidity, x-rays, and/or ultraviolet rays) may also have contributed.¿ olympus will continue to monitor field performance for this device.
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