The complaint device was not returned for analysis; however, companion samples from the distribution center were made available to the manufacturer for physical evaluation.A visual examination was performed on the tubing set of one companion sample; no defects were identified.One companion sample was then tested using a 2008t hemodialysis machine for simulated use.The bloodline was able to be primed with no visible issues.During the simulated use test, fluid flowed through the lines without issue.There were no observations of a leak or separation from the main line tubing to the venous din connector.The device worked as intended with no noted abnormalities and no defects identified.A records review was performed on the reported lot.An investigation of the device manufacturing records was conducted by the manufacturer.There were no deviations or non-conformances identified during the manufacturing process which could be associated with the reported event.In addition, the batch record review confirmed the labeling, material, and process controls were within specification.The lot passed all release criteria.The investigation into the cause of the reported problem was able to confirm the failure mode.Although the evaluation of the companion sample confirmed that the device functioned fully as designed and met specification, a picture was received from the customer confirming the separation from the main line tubing to the venous din connector.Therefore, the complaint has been deemed confirmed.
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