The subject device has not been returned to omsc but was returned to olympus (b)(4).(b)(4) sent this device to a third party laboratory for additional microbiological testing.The additional microbiological testing indicated no microbial growth for the all channels of this device.Therefore, the testing result cleared the (b)(4) guideline.Also, omsc reviewed the manufacturing history of this device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined at this time.If additional information is received, this report will be supplemented.
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