The following were reviewed as part of this investigation: patient severity, applicable previous investigation(s), sample analysis, applicable fmea documents, and labeling.Based on a review of this information, the following was concluded: the complaint that the safety mechanism did not engage was inconclusive since the affected sample was not returned for investigation.Unused samples from the same lot and one unused sample from another lot were returned for investigation.A functional test of each sample showed that the safety mechanism was advanced and locked over the needle without difficulty.Since the affected sample was apparently not returned, the complaint was inconclusive.A lot history review (lhr) of asdss0145 showed no other similar product complaint(s) from this lot number.
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