(b)(4).Method: the complaint rt380 adult dual-heated evaqua2 breathing circuit along with its mr290v vented auto-filled humidification chamber was returned to fisher & paykel healthcare (f&p) in (b)(6) for evaluation, where it was visually inspected and tested.Results: visual inspection revealed that no damage was found to the mr290 ports or the dryline connectors.Both chamber ports formed a tight connection with the dryline connectors.Conclusion: the disconnection was most likely due to the customer not connecting the dryline correctly.The customer further reported that the dry line was likely pulled by the nurse.All rt380 adult dual-heated evaqua2 breathing circuits are visually inspected and pressure and flow tested during production, and those that fail are rejected.The user instructions that accompany the rt380 adult dual-heated evaqua2 breathing circuit state: "perform a pressure and leak test on the breathing system and check for occlusions before connecting to a patient." " ensure appropriate ventilator or flow source alarms are set before connecting breathing set to patient." "check all connections are tight.".
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A distributor in (b)(4) reported on behalf of a healthcare facility, via a fisher & paykel healthcare (f&p) field representative, that the dryline of a rt380 adult dual-heated evaqua 2 breathing circuit was found disconnected from the f&p mr290v vented auto-filled humidification chamber during use.There was no patient consequences.
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