This supplemental report is being submitted to provide additional information.Olympus medical systems corp.(omsc) obtained an additional information from the facility that no microbes were detected from the sample collected from the subject device in (b)(6) 2020, before the subject device was tested positive in (b)(6) 2020.The subject device was not returned to either olympus france (ofr) or omsc, but was sent to a third party for repair.Ofr obtained a maintenance report by the third party, and blockage of the aspiration channel was confirmed.According to the service record in ofr, the subject device was last serviced in (b)(6) 2017 by ofr regional repair center.Ofr dispatched a hygiene trainer to the facility in order to observe the device handling practice of the user.Ofr raised some recommendations to the user facility regarding device storage and reprocessing.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported phenomenon could not be conclusively determined.
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