This supplemental report was submitted to provide additional information to mdr# 8010047-2020-05473.The original equipment manufacturer (oem), performed a device history record review and no abnormalities were noted.No device was returned to the oem, however, an investigation was completed by the oem and determined that there is no manufacturing, material or processing related cause for this failure mode.It is assumed that the device in question had been over 4 years since its manufacture, and it was caused by a failure of the lamp due to long-term use, or an event that occurred because the user did not notice the description in the instruction manual and used it over the time spent using the lamp.A review of the device's repair history shows the device was purchased on july 17, 2013 with no previous repair records.Olympus will continue to monitor the field performance of this device.The instructions for use states, the average lamp life is approximately 500 hours of continuous use (with intermittent use, the lamp life may vary slightly.) confirm that the examination light is emitted from the distal end of the endoscope (see figure 4.5).When the lamp light intensity decreases even if the ¿500 h¿ indicator does not light up, replace the examination lamp with a new one as described in section 6.1, ¿replacement of the examination (xenon) lamp¿.
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