Otitis media drainage pipe capable of adjusting pressure difference

The utility model discloses an otitis media drainage pipe capable of adjusting pressure difference, and mainly relates to the technical field of otitis media. Comprising a liquid discharging pipe, a flexible piece corresponding to the size of the section of the liquid discharging pipe is arranged in the middle of a pipe cavity of the liquid discharging pipe, the flexible piece is rotationally connected with the liquid discharging pipe, and a gap is formed between the side of the flexible piece and the inner wall of the liquid discharging pipe based on deformation. The beneficial effects of the utility model lie in that the middle ear can be shielded, and the pressure difference between the inner ear and the outer ear can be balanced. 本实用新型公开了一种可调节压差的中耳炎排液管，主要涉及中耳炎技术领域。包括排液管，所述排液管的管腔中部设有与其截面大小相对应的柔性片，所述柔性片与排液管转动连接，且所述柔性片的边侧基于形变而与排液管内壁构成缝隙。本实用新型的有益效果在于：它能够为中耳起到屏蔽作用，并能够平衡内外耳的压差。