The device was returned to olympus for evaluation and the evaluation found the blurry image occurred due to moisture inside the charged coupled device, there was also a puncture on cable, failed leak test, and a faded serial plate.The investigation is ongoing and follow up with the user facility is currently being performed.A supplemental report will be submitted upon completion of the investigation or if any additional information is provided by the user facility.
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This supplemental report is being submitted to provide the results of 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.It has been over 5 years since the subject device was manufactured.Based on the results of the investigation, a definitive root cause could not be determined.However, it is likely that blurry image occurred due to moisture inside the charged coupled device by water immersion from the punctured cable.The event can be prevented by following the instructions for use which state: never reprocess, or store this camera head with sharp-tipped instruments (tweezers, forceps, knives, etc.).This could scratch or tear holes in the camera cable, which could allow water to penetrate and damage electrical circuits inside the camera head.Olympus will continue to monitor field performance for this device.
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