Tracheal intubation guide wire, tracheal catheter and application of the guide wire

The invention discloses a tracheal intubation guide wire, and belongs to medical equipment; the guide wire includes a shell body, a first channel for injecting drugs, such as anesthetics, is axially arranged in the shell body, the first channel includes a drug administration end extending out from the shell body, the drug administration end is provided with a nozzle in a sliding connection with the first channel in a sleeved mode, the periphery of the nozzle is coated with a soft capsule for storing drugs, the soft capsule is connected to the first channel through first through holes arrangedon the nozzle, and the nozzle is also provided with second through holes for spraying drugs in patient's inspiration state. The guide wire can cooperate with the patient's spontaneous breathing to administer drugs, and can enter the airway, with a good administration effect. 本申请公开了一种气管插管导丝，属于医疗器械；该导丝包括壳体，壳体内轴向设置有用于注入药物，如麻醉药，的第一通道，第一通道包括伸出壳体的给药端，给药端套设有与第一通道滑动连接的喷头，喷头外周包覆有用于储存药物的软囊，软囊通过设置在喷头上的第一通孔与第一通道连通，喷头还设有用于在患者吸气状态下喷出药物