H.6.Investigation summary: one sample was received for evaluation.The plunger rod-rubber stopper is all the way down.The plunger rod is not assembled to the rubber stopper, therefore failure mode is verified.They were removed to perform a visual inspection.The plunger rod threads show no damages or any other defect, the rubber stopper inner threads are also not defective, nor damaged.They were assembled just two threads out of the five and pulled up, they stayed together.Root cause is undetermined.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.A device history record review was completed with zero defects found.No quality notifications were written for this batch, nor for the associated assembly batches.
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