Additional information: a batch review was conducted and there were no deviations found related to this reported condition during the manufacture of this lot.Four (4) samples were received for investigation.Sample analysis revealed that all samples had an incorrect assembly of the effluent and pbp lines, the lines are reversed.One (1) sample was tested via simulated conditions on a prismaflex machine.Aside from the reversed lines, no visual anomalies were detected.No leak and no air intake were detected during the priming test, and during the final self test, no alarm was triggered.The reported condition was verified for all four returned samples.The cause of the condition was determined to be a manufacturing issue.The involved operator was retrained and awareness training has provided to all operators.The batch involved in this report was manufactured prior to these actions.Should additional relevant information become available, a supplemental report will be submitted.
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