Results: bd received representative samples and two photographs of the actual defective sample from the customer for evaluation.The failure mode was observed in the photographs provided, but not in the representative samples.A review of the device history record revealed no irregularities during the manufacture of the reported lot number.Because the photograph was not clear enough to conduct and inspection on the actual defective sample and the actual sample was not available for review the failure mode could not be duplicated by the investigator.Additionally, retention samples were selected for evaluation, and the customer's indicated failure mode for package integrity was not observed as all samples met specifications.Without the ability to investigate the defect reported the root cause could not be determined.Conclusion: unable to determine a root cause.The returned representative samples were checked ok, no open seal found.The actual defect samples were not returned.It was not sure whether it was related to sz plant.
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