The device evaluation found no additional reportable findings.Based on the results of the investigation, there was a hit mark on the ultrasound probe, it was surmised that due to reportable issue that was why ultrasound could not be transmitted properly, ultrasound image was not visualized, image became blurry, and no image was displayed.A definitive root cause of this phenomenon could not be identified.A device history review revealed no issues that could have caused or contributed to the reported issue.This issue is addressed in the instructions for use (ifu): the reported phenomena might be prevented by following these descriptions: when inserting the ultrasonic probe into the endoscope, hold it close to the biopsy valve and carefully insert it using slow, short strokes.Otherwise, the ultrasonic probe and/or endoscope can be damaged.Do not force the instrument if resistance to insertion is encountered.Reduce the angulation of the endoscope until the probe passes smoothly.Forcing the ultrasonic probe could damage the ultrasonic probe and/or endoscope.Olympus will continue to monitor the field performance of this device.Should additional relevant information become available, a supplemental report will be submitted.
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