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Investigation summary: 2 pictures were received.The leak is confirmed.In pictures received the leak is confirmed.However, it is no possible to confirm the point of leak.Drops are shown in the bag containing the protector and vial.2 retained samples were taken for evaluation: visual inspection shows no defects.The 2 samples were connected to the vials using the m12 assembly fixture.The samples fitted properly the vial.No leak was found in any of the 2 cases.Withdraw of the liquid (colored water) was performed without issues.No leak was found through membrane (test performed according to (b)(4).In previous complaint from the same hospital (b)(4).3 retained samples were taken for investigation as well.No defects were found in that experience neither.In total, 5 retained samples were used and no leak was found.Inspections and tests in manufacturing area for protectors: protector housing were manufactured by nolato supplier.Currently, they are molded in bd san agustin plant.Visual inspections and critical dimensions for protector housing parts are performed according to ph-300 current version.Protector highness is measured at the beginning of the lot, after a machine stop (longer than 2 hours) and after a mold repair.During assembly process, the operator performs the following inspections and tests according to ph-302 current version: it is verified that expansion film of the bladder is centered in the protector housing, correctly sealed and free of holes or damages.Visual inspection of the filter is performed to verify that is centered in the protector cavity, welded in a right position and free of holes between the filter and filter cover.Overpressure test is performed to verify that the expansion film of the bladder can resist certain pressure.Film breakage test: the expansion film of the bladder must break at minimum pressure (0,8 bar).It is verify if the break is produced in the sealing area or at the film.Functionality test is performed to ensure properly work of the protector.Hydrophobic filter leakage is performed to verify that no leaks are present in the filter.Leakage test is performed in all manufactured lots according to (b)(4).Conclusion: there is no evidence of failure during the process.No non-conformances were found during dhr review and no issues were found in retained samples.It is no possible to establish the root cause.The defect couldn¿t be duplicated using the retained samples.
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