(b)(4).Method: the complaint device was not available for evaluation.Therefore, our investigation is based on the information provided by the hospital, previous similar investigations and our knowledge of the product.Results: the hospital reported that there was rainout in the swivel adaptor of an rt266 infant evaqua2 breathing circuit.Conclusion: without the return of the complaint device we are unable to determine what may have caused the reported rainout.If the complaint device was returned it would have been performance tested to check for any excessive condensation.Furthermore, the inspiratory and expiratory heater wires would have been resistance tested with a calibrated multimeter.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 are accompanied with the rt266 state: "set appropriate ventilator alarms." "check breathing circuit for condensation every 6 hours and drain if required." since the reported incident a fisher & paykel healthcare representative has visited the hospital to discuss the correct set up and use of the rt266 infant evaqua2 breathing circuit.The fph rep is working with the hospital to address the reported condensation issue.
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