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This report has been identified as b.Braun medical internal report number (b)(4).One used sample was provided for evaluation.Upon visual inspection of the returned sample, the sample was leak tested and no leakage was detected.To replicate the reported defect, the sample was attached to the pump and then tested by running therapy while staggering the flow rate throughout the therapy.No alarms occurred during the testing of the returned sample.Based on the data from the investigation, the reported defect was unable to be confirmed.Although the reported defect of the airline was not confirmed the most likely cause is related to incomplete priming of the iv-line, infusion of cold solutions which may exhibit air bubbles coming out of the solution as the fluid warms, incomplete filling of the drip chamber during priming, etc.A review of the discrepancy management system (dsms) database was performed for the reported lot number and no abnormalities or non-conformances were noted during the in process or final product inspection.We will maintain this report for further references and continue to monitor other reports for similar occurrences.If any additional pertinent information becomes available, a follow up will be submitted.
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