(b)(4).A device history record review was performed with a potentially relevant finding.For material # s-02200-003n (flat filter), lot # 23p17e0431, according to incoming inspection records, the rotating collar popped off 3 of 315 pc sample size during inspection.This is outside of the parameter for this defect.The customer reported the filter was unable to connect to a pump because the connection was loose.The customer returned one snaplock assembly nr fit, one flat filter nr fit, and catheter.The components were received connected together.The returned components were visually examined with and without magnification.Visual examination of the returned filter and snaplock assembly revealed they both appear typical with no observed defects or anomalies.Visual examination of the returned catheter revealed that the catheter appears used as adhesive can be seen on the outer extrusion.No other defects or anomalies were observed.Functional inspection was performed on the returned filter.A lab inventory glass lor syringe was connected to the female lock connector of the returned filter with no issue.Then the returned snaplock assembly was connected to the male lock connector of the returned filter and hand tightening the rotating collar to the snaplock assembly with no issues.A manual leak test was performed on the components with the returned epidural catheter and a closed snaplock adapter.Water was injected into the filter and no leaks were observed.A corrective action is not required at this time as no issues were found with the returned sample.The reported complaint of the filter having connection issues could not be determined based on the sample received.During functional inspection, both ends of the returned filter connected to a lor syringe and snaplock assembly respectively with no issues.Also, no leaks were observed during a manual leak test.A device history record review was performed with a potentially relevant finding on the filter.However, no issues were found with the returned sample.
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