Investigation summary: customer returned two 1cc, 8mm, 30g syringes in an open polybag from lot # 6291998.Customer states that the plunger rod is very stiff and difficult to move.Both returned syringes were tested and both plunger rods were able to be exercised in the barrel easily.As per manufacturing, a review of the device history record was completed for batch# 6291998.All inspections were performed per the applicable operations qc specifications.There was one notification noted that did not pertain to the complaint investigation conclusion: based on the samples / photo(s) received the investigation concluded: unconfirmed: bd was not able to duplicate or confirm the customer¿s indicated failure.Root cause cannot be determined at this time as the issue is unconfirmed.
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