Implanted date: device was not implanted.Explanted date: device was not explanted.Based from the results of our investigation, the root cause of the complaint could not be identified.The condition of the actual sample was not confirmed since it was not returned for evaluation.Lot history file and retention samples were unable to confirm since the lot of this complaint is unknown.Moreover, representative samples from current lot production were subjected to simulation wherein the safety sheath was successfully activated without any difficulty and irregularity encountered.We have series of visual in-process inspection to detect abnormality on the sheath that may lead to problem during sheath activation.Molding condition of the components critical to the safety activation of the product is routinely checked to assure that no defects will be encountered that will lead to sheath activation problem.Similarly, the assembly status of the safety needle such as sheath collar fitting and damaged parts that will affect product function is being confirmed.Prior shipment, qc conducts outgoing visual, sensory, and functional inspection to assure lots are in good quality.All samples passed.(b)(4).
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