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 was discarded and not returned for additional evaluation and investigation.As additional physical investigation was not performed, a definitive root cause could not be determined for the alleged issue.Internal complaint number: (b)(4).
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Physician contacted technical solutions reporting overinfusion volume discrepancies for their patient's last three refill dates.The physician did not have specific values for these discrepancies.Physician reported that the patient stated that they felt as though they were going through withdrawal.Upon volume check, the doctor stated that they pulled nothing out of the reservoir when they expected to pull 9ml.A week later, another overinfusion was observed with another excess loss of 5ml being observed.Approximately two months later, the patient's pump was explanted and replaced with a medtronic device.The pump was discarded.
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