Draeger Evita系列呼吸机工作原理与故障分析

摘要

Draeger Evita系列呼吸机主要包括Evita 2 Dura型、Evita 4型和Evita XL型等型号呼吸机,其工作原理和主要部件功能基本一致.本文在介绍Draeger Evita系列呼吸机工作原理的基础上,总结了Evita 2 Dura型和Evita XL型系列呼吸机的故障检修经验和分析思路,从气路故障和电路故障两方面排查故障,有助于维修工程师分析呼吸机故障原因,提高维修效率.%Draeger Evita series ventilators mainly include Evita 2 Dura, Evita 4, Evita XL and etc, with the similar operational principles and main functions. The author summarized the maintenance experiences and analysis mentality in Evita 2 Dura and Evita XL ventilators on the basis of the introdution to the ventilator operational principles. The method that the pneumatic and electronic malfunction were checked step by step was proved helpful for engineers and improved the efficiency.