The following fields were updated due to additional information: d9: device available for eval yes, d9: returned to manufacturer on: 30-jun-2022.: investigation summary one protector attached to a vial along with one syringe connected to a injector were returned to our quality team for investigation.The product was visually inspected, no defects or damage observed on the protector, the protector fit securely to the vial, however it was noted to be attached at an incline and the stopper of the vial appeared to have been penetrated multiple times.During our evaluation, a foreign particle was observed.Characterization testing was performed and found the particles were mainly butyl rubber and silicic acid compounds, which is not consistent material from the rubber stopper of the vial nor our product membranes.Fragmentation testing is performed according to procedure, to evaluate any particulates generated by the injector when mated to other components after ten activations.As a lot number was unavailable for this incident, a device history record review could not be completed.While phaseal needles are designed to reduce coring, there are several factors that may impact coring tendency.Coring from the membrane may occur due to fragmentation caused by multiple injections or excessive welding of the membrane.Coring of the rubber stopper may result depending on the stopper quality, the design and dimensions of the needles used, or if a poor connection of the protector occurs.It is important to ensure the vial is not expired as that can impact the quality of the rubber stopper.Based on the available we are not able to identify a definitive root cause at this time.
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