误吸是人工呼吸的一种可能致命的并发症。现在普遍应用一种带套囊的气管导管防止误吸,但这种气管导管能引起严重的并发症及其它不利影响。高频喷射呼吸(HFJV)是防止误吸的一种新方法。暴露经麻醉的6只狗的气管后,在第1和第2气管环状软骨之间插入一根用作喷射呼吸的导管,另用一根导管测量气管内压力。在其下低位处插入内窥镜至气管内约2时。从下向上直接观察声带。然后采 Aspiration is a potentially fatal complication of artificial respiration. A cuffed endotracheal tube is now commonly used to prevent aspiration, but this type of endotracheal tube can cause serious complications and other adverse effects. High-frequency jet breathing (HFJV) is a new way to prevent aspiration. After exposing the trachea of ​​the anesthetized 6 dogs, a catheter for jet breathing was inserted between the first and second tracheal rings, and a catheter was used to measure the endotracheal pressure. Insert the endoscope into the trachea about 2 o’clock below it. Watch the vocal cords directly from the bottom up. Then mining