H.6.Investigation: three samples and two photos were provided to our quality team for investigation.Through visual inspection of the product, a superficial black stain inside the syringe was observed which was identified to be ink from the marking process.The product was disassembled for further evaluation, there was no damage or molding defects noted in the plunger rod or other components that could have caused a leak and the stopper was verified to be properly assembled onto the plunger rod.A device history review was performed for the reported lot 2105003, no deviations or non-conformances were identified during the manufacturing process that could have contributed to the reported issues.Final products in this manufacturing line, for this reference are sampled and they are subjected to visual and functional inspections during the different manufacturing sub-processes according to procedures, including leakage testing.All returned samples underwent these tests and product was verified to meet required specifications, no leakages were observed.While we cannot identify a direct issue for either alleged defect at this time, the ink stain likely occurred during the marking process.
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