(b)(4).Device 1: lot: 2101372324, dom: 05 nov 2020, udi: (b)(4).Device 2: lot: 2101235192, dom: 07 aug 2020, udi: (b)(4).Method: the two complaint rt330 optiflow junior tubing kits were not returned to fisher & paykel healthcare (f&p) for evaluation.Our investigation is thus based on the information and photograph provided by the customer, and our knowledge of the product.Results: visual inspection of the photograph provided revealed that the oxygen monitoring port cap of the pressure manifold of one of the subject devices was missing.However, it is unclear if the packaging of the rt330 optiflow junior tubing kits was sealed at the time of this reported event.Conclusion: we are unable to determine the cause of the reported event.All rt330 optiflow junior tubing kits including the pressure relief valve are pressure and leak tested prior to being released for distribution.The pressure and leak test is followed by a visual inspection of the devices.Any circuits or pressure relief valves that fail are rejected.The user instructions that accompany the rt330 optiflow junior tubing kit state the following: check all connections, caps and/or plugs are tight before use.Patient monitoring is recommended.Discard product if the pressure relief valve is damaged or damage is suspected.Discard product if the blue cover on the pressure relief valve has been removed or is missing.
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