Breast pump is corrected to depressed nipple

The utility model discloses a breast pump is corrected to depressed nipple, including the cylinder sleeve pipe, the cartridge is the piston of sleeve pipe horizontal slip in the sleeve pipe cavity and relatively, and the pole is taken out to the negative pressure that is connected with the piston, sheathed tube left end fixedly connected with sucking disc, be equipped with the milk cuvette that is used for holding milk under the sheathed tube on the lateral wall, sheathed tube right-hand member detachably cartridge has the member, the negative pressure is taken out and is formed with the through-hole that supplies the member to pass on the pole. The utility model discloses can prevent effectively that the negative pressure from taking out the phenomenon that the pole takes place the suck-back, show and improving the correction effect who corrects the breast pump, simultaneously, the cross section of sucking disc is the adduction arc from a left side to the right side to have certain area of contact, can guarantee the adsorption effect of sucking disc betterly, in addition, be equipped with respectively on the inside wall about the sheathed tube and carry out spacing first spacing portion and the spacing portion of second to the member, under the effect of spacing with the second in first spacing portion, can guarantee betterly that the member inserts to overlapping the steadiness after intraductal