H.6.Investigation summary: lot 7323650 was provided, yet it is not a lot number for material 382534.Correct lot number 7223650.Device/batch history record review was performed on the lot number: 7223650.The product was built on afa line 11, from august 17, 2017 thru august 21, 2017.Review of the dhr revealed all required challenges samples and testing was performed per specification in accordance with the setup and in-process sampling plans.Setup and in-process samples for needle retraction by button activation were performed on various stages throughout the process, all the inspections passed per specifications.No significant discoveries were found.Qn / sap database review findings: there were no reject activity findings relevant to the defect stated in the pir associated with the lot number provided for this incident.The peura (end user risk analysis) was analyzed to determine the risk to customer.The analysis showed that due to low occurrence, current risk is acceptable.Observations and testing: received two iag /bc 20ga units from the lot number 7223650.One unit was used and taped to the paper top web (unit label).One was unused and in a sealed package.Visual/microscopic examination: used unit: the needle was not retracted, and the white button was not depressed.Observed there was no mechanical/physical damage to any of the components (spring, needle hub, grips) or evidence of adhesive on the button or hub.Unused unit: removed from sealed unit package for evaluation.Observed there was no mechanical/physical damage to any of the components (spring, needle hub, grips) or evidence of adhesive on the button or hub.Functional test (needle retraction) was performed: performed the hub twist test on both units then depressed the buttons.The retraction was successful, no delayed reaction was observed.Conclusions: the defect needle retraction failure, as stated in the description of the complaint, was not confirmed with the returned units.The returned units did not display any adverse characteristics that would contribute to the reported defect.The defect described in the incident report could not be confirmed or replicated with the returned units.There was no definite physical or mechanical evidence that confirmed and supported manufacturing process related issues for the defect observed in this incident.A formal corrective action will not be initiated at this time.A manufacturing related root cause could not be identified.Customer complaint trends are evaluated monthly.If the trend of a specific type of complaint warrants a formal corrective action, resources will be assigned at that time.
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