The referenced uhi-3 was not returned to olympus medical system corp (omsc) for evaluation, but the foot switch was returned to omsc.Omsc evaluated the foot switch and found that it had no abnormality and operated correctly.After the facility changed the foot switch into the other one, the uhi-3 operated correctly.Also the facility continued to use the uhi-3, therefore the uhi-3 had no malfunction.The exact cause of this phenomenon cannot be conclusively determined, however there is the possibility of this phenomenon is attributed to the user handling of the devices.There were no further details provided.If significant additional info is received, this report will be supplemented.This report is being submitted as a medical device report in an abundance of caution.
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