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D9.Date returned to mfg: 18-nov-2024.Investigation summary: received for investigation twenty unopened packages product 4598p-2 lot # 6029284 and three packages of 4598p-2, lot # 6020214.The actual syringe and filter-pro device, used by the customer at the time of the complaint, was not returned for investigation.To evaluate the customer's reported claim, the needle assemblies were removed from the syringes and the filter-pros attached.The syringes were filled with a dye solution and while continuing to hold the syringe with luer uppermost, the filter-pro device was seated onto the syringe luer according to ifu (instructions for use) using a push and twist motion to fully seat the components together.The syringe was gently tapped to move all trapped air towards the luer of the syringe.The syringe and filter-pro assembly was placed into the test fixture and an axial force was applied to the plunger of the syringe, creating an internal pressure.While maintaining the pressure for 30 seconds, all aspects of the assembly were observed for signs of leakage between the components or for disengagement of the filter-pro device from the syringe luer.Leakage was observed with lot # 6029284.In-process, filter-pro devices are automatically assembled and glued from supplied components.Maintenance log review found no entries relevant to the reported problem on the date of manufacture.While the allegation was confirmed, it could not be stated with confidence whether the area was damaged, had a short fill or was not properly sealed.The exact problem source for the compromised filter-pro could not be identified.No further action will be conducted at this time.Complaint information will continue to be monitored for any new information or adverse trends and further actions taken accordingly.A device history record could not be completed as no lot number was received.
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