Disposable sputum aspirator

The utility model discloses a disposable sputum aspirator, become including pipette, check valve no. 1, check valve no. 2, negative -pressure ball body group, the negative -pressure ball body comprises last spheroid and spheroid down, within check valve no. 1 lies in the lower spheroid junction of the pipette and the negative -pressure ball body, check valve no. 2 lie in on the last spheroid that negative -pressure ball personally experienced sth. Part of the body with a check valve relative other end, two archs on the check valve are higher than the spheroid, have the venthole on two lateral walls on the check valve, negative -pressure ball is internal to have the strengthening rib, pipette end port has the bothrium of preventing. The utility model discloses a press sputum aspirator alone or simultaneously from the top and to the side of holding, press the convenience, press that to reset elasticity big, reset completely, the difficult pipette of blockking up of clinical operation, clinical convenient operat