The device was returned to zoll medical corporation for evaluation.The customer's report was observed during review of the device data logs.However, the device was put through extensive testing including bench handling, power cycling, functional stress testing, and weekly/monthly high voltage charger tests without duplicating the report.The main board and high-voltage capacitors were replaced as a precaution.The device was recertified and returned to the customer.Analysis of reports of this type has not identified an increase in trend.
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