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Dhr review: the complaint lot 4171437, sku is 383323, assembly in suzhou plant 1 on 2024.Jul.5, lot quantity is (b)(4) ea.Review the in-process test record and outgoing test report, all test results meet the product specifications, no abnormal found.Review the product assembly record, no non-conformities, deviations or rework activities for this lot.Return sample analysis: no pictures provided to show defect feature.Retain sample analysis: sampling 2ea from the retain sample of the same lot to check catheter status and tubing status, no defect detected, leakage test result is within specification as well.Possible cause analysis: based on the reported information, damage is detected on catheter and cause a leakage, the possible reason is as below: 1.The raw material has defect.2.Component damage happened during assembly.Current manufacture process has taken control procedures as below to protect this kind of possible risk: 1.100% common inspection is performed during each process station start from tubing bonding process.2.Common inspection is performed during packaging process.3.Qc sampling check will inspect the component appearance and do leakage test.Conclusion(s): we cannot identify which step causes the damage or it's a raw material defect.The retained sample appearance inspection and leakage test is performed, no defect detected.With this we cannot decide the root cause.
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