(b)(4).Method: the complaint rt266 infant dual-heated evaqua2 breathing circuit was not returned to fisher & paykel healthcare (f&p) in new zealand.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 by the customer revealed a cut on the expiratory limb of a rt266 infant dual-heated evaqua2 breathing circuit.Conclusion: without the return of the complaint device, we are unable to determine the cause of the reported event.However, the cut appeared to have been punctured and cut with a sharp object.All rt266 infant dual-heated evaqua2 breathing circuits are visually inspected, and pressure and flow tested during production, and those that fail are rejected.The subject breathing circuit would have met the required specifications at the time of production.Our user instructions that accompany the rt266 infant dual-heated evaqua2 breathing circuit show in pictorial format the correct set-up of the circuit and also states the following: "visually inspect breathing sets for damage (e.G.A crushed tube or cracked connector) before use, and replace if damaged." "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.".
|