Udi - not yet covered by the udi implementation cut-off.The actual device was not returned to the manufacturing facility.Therefore, the investigation was based upon evaluation of the user facility information, and retention samples of the involved product/lot number combination.Visual inspection revealed no defects.Functional testing was conducted: sheath activation and sheath deactivation force were evaluated on the retention samples and confirmed all samples met manufacturer specifications.Retention samples were used in the simulation through manual sheath activation.The syringe was securely tightened into needle by pushing and turning the syringe clockwise.The safety sheath was moved away from the needle and towards the syringe barrel to the angle, and the needle cap was removed in a straight manner.The safety mechanism was activated by surface activation.The safety sheath was successfully activated.A review of the lot history files were conducted with no relevant findings.Prior to shipment, qc conducts outgoing visual, sensory and functional inspections and all samples for the complaint lot passed.The investigation revealed that the retention samples were the normal product.There is no evidence that this event was related to a device defect or malfunction.Without the return of the actual sample the exact cause cannot be determined.Event problem and evaluation codes are unable to be selected at this time, esubmitter support has been notified.(b)(4).All available information has been placed on file in quality assurance for appropriate tracking, trending and follow-up.
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