This report for non-fatal serious injury/device malfunction has been stored under the covid-19 pandemic in accordance with the guidance published by fda, postmarketing adverse event reporting for medical products and dietary supplements during a pandemic.The device was not returned to olympus medical systems corp.(omsc) for evaluation.Omsc reviewed the manufacturing history (dhr) of the subject device and confirmed no irregularity.The exact cause of the reported event could not be conclusively determined.However, based on the report of olympus service operation repair center (sorc) and thing which it could not be duplicated the reported phenomenon at sorc inspection, omsc surmised there was the possibility that the reported phenomenon was attributed to the influence of other than the device.
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