(b)(4).Method: the complaint rt265 infant dual-heated evaqua2 breathing circuit was returned to fisher and paykel healthcare in (b)(4) for evaluation, where it was visually inspected.Results: visual inspection revealed a cut to the expiratory limb of the subject breathing circuit.A lot check was not performed as lot information was not made available by the customer.Conclusion: based on the investigation conducted, the expiratory limb appears to have been cut with a sharp object, such as a knife or boxcutter during opening of the box or device bag.All rt265 infant dual heated evaqua2 breathing circuits are visually inspected and pressure and flow tested during production, and those that fail are rejected.This suggests that the subject breathing circuit was damaged after it was released for distribution.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.".
|