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Medical device expiration date: unknown.Device manufacture date: unknown.Investigation summary: one used primary set, model 2232-0007, was received by the customer for investigation.Upon visual inspection, a piece of tape was applied to the silicon segment of the tubing.No defects were visually observed.The tape was removed and the sample was primed with a blue dye solution and a leak could clearly be seen.A device history record review could not be performed on model 2232-0007 because a lot number was not provided by the customer.Visual inspection under magnification was performed on the tubing and a tear was observed in the silicon pumping segment where it connects with the upper fitment.The customer's complaint of a small hole/slit in the tubing was verified.Investigation conclusion: this incident has been added to our database of reported incidents.Our business team regularly reviews the collected data for identification of emerging trends.Root cause description: the root cause of the tear cannot be determined.However, we encourage the customer to load the pumping segment top first before the bottom, as doing the opposite is a known cause of this failure.
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