Investigation summary: in response to the event reported by the facility a device history review was conducted for lot number 0063932.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.A sample could not be obtained for evaluation and testing; in lieu of the affected device, functional testing was performed on retention samples for this lot, the results of these show that the tested units performed within product specifications.Unfortunately without the ability to investigate the affected unit our quality engineers were unable to determine the root cause for this complaint.Bd will continue to monitor this issue.Investigation conclusion: 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.Reviewed the in-process test and outgoing test report for this lot product, all test results meet the product specifications, no abnormality for it.Reviewed the production records and machine troubleshooting records for this lot product.No abnormality, deviation or rework activities found.No actual sample and picture returned, the exact leakage point of the indwelling needle junction cannot be confirmed.Leakage test the 2 retained samples, all passed.No same complaint was received from the complaint lot.No abnormality found on process, as no defective sample returned.Further analysis could not be done.The root cause of the leakage of the indwelling needle junction could not be determined.
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