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H.6.Investigation summary: thirty five samples and photos received by our quality team for investigation.Through visual evaluation, foreign matter such as embedded particles, black dots, and ink stains observed on 12 syringes, 10 observed with incomplete marking scale, 6 with damaged barrel, jammed stopper on 3 syringes, and 4 with molding defect at the tip of syringe.A device history review was performed for lot 2045798, no deviations or non-conformances were identified during the manufacturing process that could have contributed to scale marking, damaged barrel, jammed stopper, and molding defect.Based on the quality teams investigation, the root cause for jammed stopper is misalignment of plunger-stopper-barrel in the assembly station, damaged barrel and molding defect is due to poor condition of conveyor belt, scale marking is due to ink level sensor, and foreign matter is embedded burnt material from molding process.This defect appeared due to the injection of burnt material generated during molding process.Before the injection machine is restarted up it is purged until the material is acceptable rejecting the first pieces.Injection machines are periodically subjected to maintenance and cleaning program.Manufacturing personnel have been notified and additional training to reinforce proper assembly has been performed.Complaints received for this device and reported condition will continue to be tracked and trended.Information will be captured on trend reports and monitored monthly.Our business team regularly reviews the collected data for identification of emerging trends.H3 other text : see h10.
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