The device was returned to olympus for evaluation.The customer's complaint was confirmed due to an immersed plug unit.Additionally the following findings were discovered; the water tightness was lost due to a cut on universal cord, the plug unit had corrosion due to water leakage, and the insertion tube was scratched.The investigation is ongoing, and a supplemental report will be submitted upon completion of the investigation or if any additional information is provided by the user facility.
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This supplemental report is being submitted to provide information that was inadvertently left out of the initial medwatch report and to provide the results of the legal manufacturer's final investigation.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 was identified.Based on the results of the investigation the root cause could not be identified; however, it is likely that water invaded scope connector causing a short circuit at the circuit board.The event can be prevented by following the instructions for use which state: "important information ¿ please read before use - precautions: caution turn the video system center on only when the endoscope connector is connected to the light source.In particular, confirm that the video system center is off before connecting or disconnecting the endoscope connector.Failure to do so can result in equipment damage, including destruction of the image sensor.- precautions for disappeared or frozen endoscopic image: warning follow the precautions given below.Otherwise, the endoscopic image may disappear unexpectedly, or the frozen image may not be restored during the examination.3.8 inspection of the endoscopic system - inspection of the endoscopic image confirm that the wli and nbi endoscopic images (except bf-mp290f) are normal.5.1 troubleshooting if any irregularity is observed during the inspection described in chapter 3, ¿preparation and inspection¿, do not use the endoscope and solve the problem as described in section 5.2, ¿troubleshooting guide¿.If the problem still cannot be resolved, send the endoscope to olympus for repair as described in section 5.4, ¿returning the endoscope for repair¿.Also, should any irregularity be observed while using the endoscope, stop using it immediately and withdraw the endoscope from the patient as described section 5.3, ¿withdrawal of the endoscope with an irregularity¿.Olympus will continue to monitor field performance for this device.
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