《英文msh詞典》Respirators,Negative Pressure
[入口詞] Respirators,Negative Pressure
[主題詞] Ventilators,Negative-Pressure
[英文釋義] Body ventilators that assist ventilation by applying intermittent subatmospheric pressure around the thorax,abdomen,or airway and periodically expand the chest wall and inflate the lungs. They are relatively simple to operate and do not require tracheostomy. These devices include the tank ventilators (iron lung),Portalung,Pneumowrap,and chest cuirass (tortoise shell).