A review of the device history record, which includes verification of all steps in the manufacturing of the pump, verification of all final testing performed by/on the pump, verification of sterilization, and packaging for subject pump was performed.The review did not identify any non-conformances, issues or capas associated with pump function.Device remains implanted and was not returned for additional evaluation and investigation.As there was no additional investigation performed on the device and no additional information available, a definitive root cause could not be determined for the alleged issue.A supplemental mdr will be sent if new information is received.Internal complaint number: (b)(4).
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