The following were reviewed as part of this investigation: patient severity, applicable previous investigation(s), sample (if available), applicable fmea documents, labeling, and applicable manufacture records.Based on a review of this information, the following was concluded: the device was returned to the service facility for evaluation.During evaluation, the reported issue of the battery will not hold a charge is confirmed.The root cause is due to the internal lithium-ion battery.No other functionality issues with the equipment were found during evaluation/servicing.The device was serviced, tested and returned to the customer.The manufacturer has received the sample and is pending evaluation.Results are expected soon.A history review of serial number dybxq500 showed no other similar complaint(s) from this serial number.
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