Investigation results: the complaint that the safety mechanism did not work when the needle was removed was confirmed and the cause appeared to be manufacturing related.Tool wear, incorrect setup on changeover, operator handling, and insufficient product separation barrier may cause the bump to be out of specification (small or missing).Preventative maintenance and 100% vision, product separation barrier is performed to mitigate the occurrence of this defect.It is very unlikely that this occurred in the clinician environment.It takes a significant amount of force to remove the cannula from the tip shield.Most likely the bump is not within specification or nonexistent, causing the cannula to completely be removed and the washer to fall out.Four photographs and one 24ga nexiva unit from lot #3146707 were provided for investigation.The photographs and physical sample showed the cannula completely separated from the tip shield safety mechanism.The outside diameter of the needle was within specification; however, it appeared that needle was allowed to separate from the tip shield due to manufacturing defect.No other similar complaints were reported from this lot.Complaints received for this device and reported condition will continue to be tracked and trended.Information will be captured on trend reports and monitored.The bd business team regularly reviews the collected data for identification of emerging trends.
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