The device was returned to zoll medical corporation and the customer's report was not replicated or confirmed.The device was put through extensive testing including bench handling, stress testing, full functionality testing and inspection of both the multi-function cable receptacle and the ecg receptacle without duplicating the report.The device was recertified and returned to the customer.Review of the device activity logs confirmed the presence of excessive artifact which may have contributed to the customer report but we were unable to firmly establish.No trend is associated with reports of this type.
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