The user performed a culture test of the subject oer-4.The user performed the leak test of the subject oer-4, and the water accumulated in the washing tank was used as the culture sample.As a result, acid-fast bacillus were detected from the washing tank of the subject oer-4.The user replaced the water filter and disinfected the water supply piping at once a month.There was no report of the patient's injury or infection regarding this event.
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The subject oer-4 was not returned to olympus medical systems corp.(omsc) for evaluation, and the exact cause of the reported event could not be conclusively determined.Omsc checked the device history record of the subject oer-4, there was no irregularity found.The user replaced and cleaned the filter of the subject oer-4 properly.Therefore, there is possibility of this phenomenon is attributed to contamination of foreign matter when the user has taken samples for a culture test from the subject oer-4.There was no report of the patient's injury regarding this event.There were no further details provided.If significant additional information is received, this report will be supplemented.
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