(b)(4).All rt265 infant dual heated evaqua2 breathing circuits are visually inspected and pressure and flow tested during production, and those that fail are rejected.The subject infant breathing circuit would have met the required specifications at the time of production.Our user instructions that accompany the rt265 infant dual heated evaqua2 breathing circuit state the following: "check all connections are tight before use." "perform a pressure and leak test on the breathing system and check for occlusions before connecting to a patient." "set appropriate ventilator alarms.'.
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