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This report is being supplemented to provide additional information based on the approved final investigation.Based on the results of the investigation, the reported malfunction could not be reproduced.The likely cause could be due to water or moisture entering the scope, causing abnormalities in electronic components such as the image sensor unit and the internal connector board.However, a definitive root cause could not be determined.The event can be detected and prevented in accordance with the following instructions for use (ifu).Please read before use precaution for disappeared or frozen endoscopic image; warning: follow the precautions given below when handling the instrument.Otherwise, the endoscopic image may disappear unexpectedly, or the frozen image may not be restored during the examination.Precaution for disappeared or frozen endoscopic image; caution: turn the video system center off before connecting or disconnecting the videoscope cable from the electrical connector on the endoscope.Turn the switch on or off only when the videoscope cable is connected to both the video system center and the electrical connector on the endoscope.Failure to do so can result in equipment damage, including destruction of the ccd.Do not touch the electrical contacts inside the electrical connector.Ccd damage may result.3.6 inspection of the endoscopic system inspection of the endoscopic image 4.While observing the palm of your hand, confirm that the wli and nbi endoscopic image is free from noise, blur, fog, or other irregularities.5.Angulate the bending section and confirm that the endoscopic image is free from momentary disappearing or other irregularities.Chapter 5: troubleshooting if the endoscope is visibly damaged, does not function as expected, or is found to have irregularities during the inspection described in chapter 3, ¿preparation and inspection,¿ do not use the endoscope.Contact olympus.Some problems that appear to be malfunctions may be correctable by referring to section 5.1, ¿troubleshooting guide.¿ if the problem cannot be resolved by the described remedial action, stop using the endoscope and send it to olympus for repair.Olympus does not repair accessory parts.If an accessory part becomes damaged, contact olympus to purchase a replacement.A review of the device history record and historical complaints analysis was conducted, and no deviations that could have caused or contributed to the reported issue were identified.Olympus will continue to monitor the field performance of this device.
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