机械通气 (ｖｅｎｔｉｌａｔｉｏｎ)是利用呼吸机 (ｖｅｎｔｉｌａｔｏｒ)为呼吸衰竭 (呼衰 )患者提供强制通气以代替或加强自主呼吸 ,增加通气量 ,扩张肺泡 ,改善通气 血流比例 ,减少呼吸运动功耗 ,达到纠正或缓解缺氧和二氧化碳潴留的治疗方法。呼吸机大致可分为常频呼吸机和 Mechanical ventilation is the use of ventilators to provide forced ventilation to patients with respiratory failure (respiratory failure) instead of or to strengthen spontaneous breathing, increase ventilation, expansion of alveoli, improve the proportion of ventilation and blood flow, reduce respiratory motor power, to achieve Correct or alleviate the treatment of hypoxia and carbon dioxide retention. Ventilator can be divided into regular frequency ventilator and