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The cmo conducted an investigation of the reported issue on product#: 26044, lot#: 240903 and the findings are summarized below: retention samples inspection- one hundred retained samples were individually examined.No abnormalities were observed.Retention samples testing- five retained samples were randomly selected and tested.The samples were unpacked, and the connection between the injection needle and the needle hub was inspected.No needle detachment was observed.Additionally, through careful observation of the separated needle of the retained product, all needle hubs and the syringe cone heads were found to be intact and tightly fitted.The connections appeared to be normal, with no signs of needle detachment or looseness.Production process review: the batch record, factory inspection, reports and finished product documentation were reviewed.All documentations were found to be adequate compliant for product release.No non conformities were identified.The complainant refused to provide additional information or documentary evidence such as photos or video.The defective devices in were not returned for evaluation.The incoming inspection has been conducted on product#: 26044, lot#: 240903 at exelint in accordance with sop-11 incoming inspection procedure.This batch passed the inspection with no related nonconformities noted.All retained samples were tested, production process documentation was reviewed, and the incoming inspection was evaluated.All findings met the product release criteria, and no nonconformities were identified.Based on available information, we were not able to determine a root cause or replicate the reported issue during our investigation.(b)(4).
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