Qn# (b)(4).A device history record review was performed on the flat filter and snaplock assembly with no relevant findings.The customer reported the filter disconnected from the snaplock.The customer returned one flat filter, one snaplock assembly, and an epidural catheter.The filter and snaplock were received connected.The returned components were visually examined with and without magnification.Visual examination of the returned filter and snaplock assembly revealed both components were typical with no observed defects or anomalies.Visual examination of the returned catheter revealed that the catheter appears used as biological material can be seen on the inner coils and adhesive can be seen on the outer extrusion.No other defects or anomalies were observed.Functional inspection was performed on the returned sample.The male lock connector of the returned filter was connected to the returned snaplock assembly and hand tightening the rotating collar to the snaplock assembly with no issues.An attempt to remove the rotating collar from the male lock connector of the returned filter was performed.Using hand pressure, the rotating collar could not be removed even with much effort.In summary, the reported complaint of the filter disconnecting from the snaplock could not be confirmed based on the sample received.A flat filter and snaplock assembly were returned.Using hand pressure, the returned filter's collar could not be removed from the male lock connector even with much effort.Also, there were no connection issues when connecting the returned filter to the returned snaplock assembly.A device history record review was performed on the epidural catheter and snaplock assembly with no relevant findings.The investigation found no evidence to suggest a manufacturing related cause.Based on the functional testing, there was no issues found with the returned sample.No further action is required at this time.
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