The device referenced in this report has not been returned to olympus medical systems corp., but was returned to olympus (b)(4).The subject device was sent to an independent laboratory, and the culture test was conducted.As a result, the detected microorganisms were less than 1 (ufc / 100 ml) from the instrument channel.The name of microorganisms is unknown.The culture test result cleared the (b)(6) regulation.The manufacture record of the subject device was reviewed with no irregularity relating to the phenomenon.The exact cause of the event could not be determined at this moment.If additional and significant information becomes available, this report will be supplemented.
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Olympus was informed that the subject device was tested positive, when the user facility conducted a routine culture test.The name and amount of microorganisms are unknown, and it is unknown in which part of the scope the microorganisms were found.There was no report of patient infection associated with this report.
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