No sample was returned for the report of a blunt, defective knife.The final customer lot was identified as 985431m, mfg on 10/29/2014.For this final lot, one component knife lot, 981769m mfg in september 2014, was used to make up the final lot.A device history record review for each of the knife lots was conducted.No anomaly was found during the device history record reviews.The prod was released based on the mfr's acceptance criteria.No add'l investigation is required based on device history review.A complaint history review indicates no add'l complaints were associated with the knife lots.The root cause for the defect experienced by the customer cannot be determined.All knives are 100% inspected by trained operators using a minimum of 10x magnification during mfg.Nonconformances, such as a damaged tip or cutting edge described in the complaint, are removed from the lot and scrapped.Functional testing is performed and monitored during the finishing process to ensure the sharpness of the prod.(b)(4).
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