The device was returned to olympus and the evaluation found no additional reportable malfunctions.A review of the device history record found no deviations that could have caused or contributed to the reported issue.It has been over 4 years since the subject device was manufactured.Based on the results of the investigation, the root cause of the reported event could not be determined.The following information is stated in the ifu (instructions for use which may prevent the issue: caution do not coil the insertion tube or universal cord with a diameter of less than 12 cm.Equipment damage may result.Do not attempt to bend or twist the endoscope¿s insertion section with excessive force regardless of its flexibility.The insertion section may be damaged.Do not apply shock to the distal end of the endoscope, in particular the objective lens surface at the distal end of the endoscope.An abnormal endoscopic image may result.Do not twist or bend the bending section with your hands.Equipment damage may result.Do not squeeze the bending section forcefully.The covering of the bending section may stretch or break and cause water leakage.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.The endoscope¿s remote switches cannot be removed from the control section.Pressing, pulling, or twisting them with excessive force can break the switches and/or cause water leakage.Olympus will continue to monitor field performance for this device.
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