Medical device expiration date: unknown.Device manufacture date: unknown.Investigation summary: one photo and one sample were received by our quality team for evaluation.From the photo, it was observed that the plunger rod detaches from the stopper and the plunger head is missing.From the returned sample, the plunger was observed to be separated from the stopper due to plunger head chip off.A device history record could not be evaluated as the lot number is unknown.The probable root cause of the plunger head chip off could have be due to the molded plunger tip hitting against the molded plunger target box when transferring from the molding machine to the assembly line.A curtain has been installed at the molded plunger target box in order to act as a cushion and reduce impulse.Communication with the production technicians to raise awareness of the reported defect will occur.This incident has been added to our database of reported incidents.Our business team regularly reviews the collected data for identification of emerging trends.
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