This report is being supplemented to provide additional information based on the legal manufacturer's final investigation.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, a definitive root cause of the reported ¿inability to operate the bend¿ issue could not be determined, however, it is likely that during user handling, the device leaked and water entered the device, causing the angle mechanism to corrode and render the flexure inoperable.In addition, since the angle measurement was possible, the angle lock was not performed.The event may be detected/prevented by following the instructions for use which state: ¿ inspection of the bending mechanism¿.¿perform a leakage test on the endoscope after each precleaning procedure.Do not use the endoscope if a leak is detected.Use of an endoscope with a leak may cause a sudden loss of the endoscopic image, damage to the bending mechanism, or other malfunctions.Use of a leaking endoscope may also pose an infection control risk¿.Olympus will continue to monitor field performance for this device.
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