(b)(4).Five used caresite y-extension sets, and one opened package identifying the reported lot # 0061276549, were received for evaluation.The y-extension set (catalog #470106) contains two caresite valves per set.On the first sample, one of the caresite valves was observed to be broken off at the bonded joint of the female adapter.It appears the valve was subjected to an excessive force which likely caused the valve to break off.On the second, third, and fourth samples, a crack was observed on the female luer threads of the molded caresite valve body on one of the two caresite valves contained on each set.On the fifth sample, no cracks were observed on either caresite valve of the set.However, a separate caresite valve was attached to the spinlock adapter at the distal end of the set.This valve contained a crack on the female luer thread of the molded caresite valve body.The dhr record for the reported lot number was reviewed and no nonconformances or abnormalities were noted during in-process or final product inspection.Although the duration of use for the caresite valve could not be confirmed, it is indicated on the instructions for use (ifu) for the reported product catalog number, "the caresite luer access device is compatible with lipid emulsion and cytotoxic agents containing cremophor (e.G.Pacitaxel) for 24 hours." based on the results of this investigation, no conclusions can be made regarding the cause of the reported events.If additional pertinent info becomes available, a follow-up report will be filed.
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