Investigation summary: dhr review: the complaint gauge is 24g,assembly at auto line 3 in apr.2020,packaging at cfs packing machine in apr.2020, lot quantity is 136k.Review the in process test and outgoing test report for this lot product, all test results meet the product specifications, no abnormal for it.Review the production record and machine troubleshooting records for this lot product, no abnormality, deviation or rework activities.No actual sample and picture was returned, and the defects of indwelling needles cannot be determined due to unclear description of complaint.Examined the retained sample from the complained batch and there is no abnormality.Conclusion(s): as no defective sample returned, no abnormal found on process, and the usage situation was unknown, the root cause of the finger injury could not be confirmed." investigation conclusion: in response to the event reported by your facility a device history review was conducted for lot number 0063927.Our records show that this is the only instance of this issue occurring in this production batch.According to the sampling plan applied for product performance, this lot was accepted and released without defects being noted during the final assembly or visual inspections.Unfortunately, a sample could not be obtained for evaluation and testing.Without the ability to investigate the affected unit our quality engineers were unable to determine the root cause for this complaint.
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