Olympus medical system corp.(omsc) was informed that during f-tul procedure, it became difficult to observe since the monitor screen got darkened.Therefore, the user facility replaces urf-v with urf-v3 and continued the procedure.The subject treatment was completed.There was no patient harm reported.
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The subject device was returned to omsc for evaluation.But the reported phenomenon was impossible to duplicate event after electric current was applied for thirty minutes.Evaluation confirmed a tear of bending rubber at distal, down-right side, deformation of bending section, insufficient bending angle and not smooth actuation of angle lever.In addition, dents and wrinkles were confirmed, but they did not become into a hole.Furthermore, light intensity was deficient slightly compared with the standard.Based on the findings, temporary failure of electric component such as video-connector caused by immersion from the tear of bending rubber could not be ruled out as a contributory factor of the event.The manufacturing history was reviewed, with no irregularities related to this problem noted.This report is being submitted as a medical device report in an abundance of caution.
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