Catalog number is unknown.Udi information is unknown.Premarket (510k) number is unknown no lot number was provided; therefore, device history record review could not be completed.Samples were received for investigation in plastic bag without its original packaging.After visual inspection, it was noticed that luer lock connector is separated from filter body.Each flat filter have retention ring which is designed to hold luer lock connected with filter.Retention ring on the sample which was returned was found to be without any damage.Luer lock connector was found to be without any damage as well.The reported event of detachment of luer lock connector from filter body.Complaint samples which were historically received had damaged retention ring or luer lock connector which indicates supplier investigation outcome (over tightening).Based on complaint description customers believe that they do not use excessive force.This remediation mdr was generated under protocol (b)(4), as a result of warning letter cms# (b)(4).
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