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This supplemental report is being submitted to provide the results of the legal manufacturer's final investigation.The device was returned to olympus for inspection, and the reported failure was confirmed.In addition, the following reportable malfunctions were identified during the device evaluation: the distal end exhibited a burn mark, corrosion at the electrical connection and rust was also observed in the bending section area.Based on the results of the investigation, the probable cause of the distal end burn is presumed to be that, while handling the subject device, the user operated a high-energy endotherapy accessory ¿ such as a laser or high-frequency device ¿ without maintaining sufficient distance from the distal end of the subject device.However, the specific cause of the event could not be confirmed.Based on the results of the investigation, the probable cause of the corrosion on the electrical connection and rust at the bending section area is expected or random component failure resulting from a material degradation problem, with no design or manufacturing issue identified.Should additional relevant information become available, a supplemental report will be submitted.Olympus will continue to monitor field performance for this device.
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