BREAST PUMP Russian patent published in 2021 - IPC A61M1/06 

FIELD: medical equipment.

SUBSTANCE: breast pump for pumping out human breast milk contains a case with a drive unit, a pumping chamber with a flexible pump membrane driven by the drive unit to create vacuum, and a breast pad with an internal cavity for receiving the breast. In the internal cavity, using the pumping chamber, it is possible to create cyclically varying reduced pressure. From the internal cavity, a milk-conducting channel passes through the first inlet into the pumping chamber. There is a possibility for the pumped milk to flow from the internal cavity of the breast pad through the milk-conducting channel to the pumping chamber. The pumping chamber contains an outlet through which it is possible for the pumped milk to flow from the pumping chamber into the milk collection container. A hygienic module is provided, which is made in the form of a multicomponent module and which contains the first part with a flow hole for connection to the internal cavity, a valve case with at least one valve and the second part with a rigid shell for forming the pumping chamber. The valve case is located between the first and second parts. Being in the assembled state, the hygiene module has the possibility of sealing connection to the breast pump case and the possibility of disconnection. Options of the design of the breast pump, a milk collection container, a breast pad and a method for activating the breast pump are disclosed.

EFFECT: providing an economical, miniature and hand-free breast pump.

55 cl, 23 dwg