Disposable tube core for laryngoscope

The invention discloses a disposable tube core for a laryngoscope, and relates to the technical field of medical instruments, the disposable tube core comprises a tube body, a positioning part is arranged on the tube body, the positioning part comprises a groove formed in the wall part of the tube body and an air bag arranged in the groove, and the air bag can be communicated with an air supply device. The positioning part is arranged on the tube body, the tube body is inserted into the breathing tube during use, and when the tube body reaches a proper position, the positioning part is adopted, specifically, the air bag blows air to be fixedly connected with the breathing tube in an abutting mode, and it is avoided that the air bag slides relative to the breathing tube, and detection is affected. 本发明公布了一种用于喉镜的一次性管芯，涉及医疗器械技术领域，其包括管体，所述管体上设置有定位部，所述定位部包括设置于所述管体壁部的凹槽和置于凹槽内部的气囊，所述气囊能够与供气装置连通。本发明通过在管体上设置定位部，在使用时，将其插入呼吸管内，管体到达合适位置时，采用定位部，具体地将气囊鼓气与呼吸管抵接固定，避免其与呼吸管相对滑动，影响检测。