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 full functional testing, multiple defib charge and shock testing without duplicating the report.An internal inspection of the device found no discrepancies.The battery terminal lugs were reassembled as a precaution.The device was recertified and returned to the customer.The battery used was not returned for evaluation.Analysis of reports of this type has not identified an increase in trend.
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