Sputum aspirator

The utility model relates to the technical field of medical instruments, and discloses a sputum aspirator which comprises a tube body made of transparent materials. A volume graduated scale is arranged on the side wall of the front end of the pipe body, and a closing-up structure is formed at the inlet end of the pipe body. When the sputum aspirator is used for aspirating sputum, medical staff canvisually read the amount of sputum according to the graduated scale, meanwhile, the outlet end of the sputum aspirator is of a closing-in structure, and the stability and reliability of connection can be improved. 本实用新型涉及医疗器械技术领域，且公开了一种吸痰器，包括透明材料制作的管体；所述管体前端的侧壁上设有体积刻度尺，所述管体的进口端形成收口结构；采用本实用新型的吸痰器在吸痰时，医务人员可以根据刻度尺直观的读取痰液的量，同时吸痰器的出口端为收口结构，可以提高连接的稳定性和可靠性。