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Date of event: unknown.The date received by manufacturer has been used for this field.There were multiple lot numbers reported to be involved.The information for each lot number is as follows: medical device lot #: 0248548, medical device expiration date: 2025-09-30, device manufacture date: 2021-03-04.Medical device lot #: unknown, medical device expiration date: unknown, device manufacture date: unknown, investigation summary: no samples (including photos) were returned therefore the complaint could not be confirmed and the root cause is undetermined.This is the 1st complaint for the reported lot number.A review of the manufacturing records was performed and no non-conformances were raised in association with this type of event for this lot.Complaints received for this device and reported condition will continue to be tracked and trended.If samples are received in the future the complaint will be reopened for further investigation.Lot#0248548 dhr was reviewed and no qn found.Manufacture records were reviewed, no abnormality was found.Pen needle product has 100% clog test in flowguru station, and defect part will be rejected by flowguru station automatically.Clog test was conducted on 7 retention samples and no needle clog fail was found.No samples were returned for further investigation.Unconfirmed bd was not able to duplicate or confirm the customer¿s indicated failure mode based on the above, no additional investigation and no corrective/preventative action (capa) or situational analysis (sa) is required at this time.
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