(b)(4).Method: the complaint rt330 infant optiflow circuit was received at fisher & paykel healthcare (fph) in (b)(4) for evaluation.The rt330 circuit was visually inspected and electrically tested.Result: visual inspection revealed that there was no damage to the circuit.The electrical testing revealed that the heater wire resistance of the circuit was within specification.Conclusion: the rt330 has not caused or contributed to the event.The hospital confirmed that the incubator lid was open for a considerable period of time for a longline procedure and when the incubator lid was closed water came out of the prongs and into the nares of the baby.A nurse monitoring the baby after the incident noticed that the baby was stable and discontinued the high flow therapy.It is likely that the condensation entered the baby's airpath as a result of the lid of the incubator being open for a lengthy period, allowing the incubator to cool.Condensate in the humidification system, is an expected side effect of heated pass-over humidification systems in many conditions, and may vary between light misting to water droplets that form on the wall of cool breathing circuit tubing.The amount of condensate in the ventilation system is influenced by a number of multiple setup and environmental factors.The user instructions that accompany the rt330 include the following statements: attention: - patient monitoring is recommended.Warning: - when mounting a humidifier adjacent to a patient ensure that the humidifier is always positioned lower than the patient.
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