A device history record review was completed for provided material number 306572 and lot number 3250005.The review did not reveal any detected non-conformances during the production process that could have contributed to this reported incident.To aid in the investigation of this issue, three (3) picture samples were received for evaluation by our quality team.Through examination of the pictures, the print was observed missing on the barrel label.Following our investigation the most possible root cause was related to the vision system on the plunger rod.At the time of manufacturing, the vision system was tracking the variable print on the barrel label and not the pre-printed data.This meant that if the variable print on the barrel label drifted downwards the camera would follow and disposition as a pass.This process has now been changed where we now track the pre-printed data on the barrel label.If the print moves downwards off the label, the vision system will not follow and therefore disposition as a fail.At this time, further action has not been determined necessary.Our quality team will continue to closely monitor the manufacturing process for signs of this potential defect and any emerging trends.
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