This supplemental report is being submitted to provide the results of the manufacturer¿s investigation.A device evaluation, a review of the device history record (dhr), a review of the instructions for use (ifu), as well as a historical trending analysis were conducted during this investigation.The subject device was returned, and the user¿s report was confirmed.The bulb had exploded, the turret lens was broken, and the scope socket slider was worn out ¿ causing the failure of high intensity mode.Additionally, there was a non-olympus bulb installed on the subject device.The review of the dhr did not find any abnormalities or anomalies identified during production.The device met all specifications upon release.The ifu contains the following information related to the reported failure: ¿do not apply excessive force to the light source and/or other instruments connected.Otherwise, damage and/or malfunction can occur.¿ ¿never install a lamp that has not been approved by olympus.The use of a nonapproved lamp can cause damage to the light source and ancillary equipment, malfunction, or a fire.¿ based on the results of the investigation as well as the device evaluation results, it is likely the undue stress on the subject device caused the reported failure mode.However, a definitive root cause could not be determined.Olympus will continue to monitor the field performance of this device.
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