Qn#(b)(4).A device history record review was performed on the flat filter with no relevant findings.The customer reported the rotatable collar detached from the filter.The customer returned one snaplock assembly, one flat filter, and one catheter piece approximately 12cm.The components were received connected together; however, the rotation collar is actually not intact to the male lock connector (reference attached files (b)(4)).The returned components were visually examined with and without magnification.Visual exanimation of the returned snaplock assembly revealed the snaplock appears typical with no observed defects or anomalies.Visual inspection of the returned filter revealed the filter was received with the rotation collar detached from the filter.Microscopic examination of the male lock connection showed the lip that holds the collar in place is tapered which can allow the collar to be removed easier.The customer also provided photos that show the collar detached from the male lock connector.Functional testing was performed on the returned sample.The rotating collar was reattached to the male lock connector of the returned filter.Using hand pressure, the rotating collar could be removed from the male lock connector with little effort.This was also attempted on a lab inventory filter.Using hand pressure, the rotating collar could not be removed even with much effort.Again, using hand pressure, the returned filter was connected to the returned snaplock assembly.Upon hand tightening the rotating collar, the collar detached from the male lock connector and remained attached to the female connector of the snaplock.The same test was performed using a lab inventory filter with the returned snaplock with no issues.The reported complaint of the rotating collar being detached from the filter was confirmed based on the sample received.Visual inspection of the returned filter revealed the rotating collar was detached from the male lock connector.Microscopic inspection revealed the lip that holds the collar was tapered which can allow the collar to be removed easier.Functional testing performed on the returned sample revealed the rotating collar can be detected from the male lock connector with hand pressure, where a lab inventory filter's collar could not be removed even with much effort.Also, when connecting the returned filter to the returned snaplock assembly, the collar would detach from the male lock connector when hand tightening.A device history record review was performed on the flat filter with no relevant findings.However, based on the functional testing of the returned sample, the potential root cause of this issue is supplier related.A scar was initiated to further investigate this complaint issue.
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