Dhr review: the complaint lot# is 3048128, sku is 383319, assembly in suzhou plant on 2023.Mar.29, lot quantity is 38466ea review the in process test record and outgoing test report for above two lots, 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 returned sample analysis: no sample returned, and there is one picture to show the defect sample which stylet/needle component has been withdrawn out from the inner sheath retain sample analysis: sampling 2ea from the each retain sample of the same lot to check assembly status for each component, and do safety function test, all test results are within product specification.Refer to the attachment for retain sample test report.Possible cause analysis: based on the reported information, stylet/needle component is pulled out from the inner sheath, possible reasons for this type of failure is: the size of the end hole of the molding parts inner sheath is abnormal, stylet/needle component pull out force is out of specification current manufacture already has control procedures as below to detect and prevent this kind of defect: 1.Qc sampling in-process check will test pull out force test for this feature during assembly.2.Finish goods measurement will check this pull force with these information we cannot identify the actual defect feature, the retain sample check results are all within product specifications, so we cannot identify the root cause for this case.
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