Investigation: observations and testing could not be performed because units were not received for investigation.Device history record review was performed on the following lot number: 7080821 ¿ the lot number was built on afa line 1, from march 25, 2017 thru march 30, 2017.Per review of the dhr it was concluded that all required challenges samples and testing was performed per specifications (b)(4), in accordance with the in-process sampling plans.Per review it was noted that there were no reject activity findings throughout the build of this lot that would impact upon the quality of the product.The defect of needle stick injury, as stated in the subject of the pir could not be identified or confirmed and cause could not be determined, as the unit described in the product incident report was not returned for evaluation and testing.Without a sample, an absolute root cause for this incident cannot be determined.(b)(4).
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