The device was returned to zoll medical corporation for evaluation.The customer's report was observed during review of the device logs.However, the device was put through extensive testing including bench handling, power cycling, and functional stress testing without duplicating the report.The main board and hv capacitor were replaced as a precaution.The device was recertified and returned to the customer.The electrode pads used were not returned as part of this investigation.Analysis of reports of this type has not identified an increase in trend.
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