The invention discloses a negative pressure
nose washing device with a
backflow prevention function. The negative pressure
nose washing device comprises a cleaning part, a negative pressure part and a
backflow prevention part. The cleaning part is connected with the negative pressure part, and the
backflow preventing part is arranged in the negative pressure part; an integrated liquid outlet
pipe is arranged on the cleaning part, a plug is arranged on the side edge of the liquid outlet
pipe, and a connecting
assembly is connected between the plug and the liquid outlet
pipe; the connecting
assembly is composed of a first plate body, a second plate body, a connecting screw rod and a spring. The negative pressure is manually adjusted, the problem of
suction force matching can be well solved, backflow of gas and liquid can be completely avoided, the comfort of a patient is improved, the cleaning effect is guaranteed, potential
sanitation hazards are eliminated, the
infection risk of a user is greatly reduced, meanwhile, the additionally-arranged connecting
assembly facilitates matching of the patient with any nasal washing equipment, and the nasal washing effect is improved. The
economic pressure of a patient is relieved, and the position of the plug can be flexibly adjusted through the
nose washing device.