BREASTSHIELD UNIT Russian patent published in 2017 - IPC A61M1/06 

FIELD: medical equipment.

SUBSTANCE: group of inventions relates to medical equipment, namely, to versions of breastshield units, as well as to a breast pump. Breastshield unit comprises: receiving part for receiving a human nipple, underpressure chamber, wherein the receiving part opens into this underpressure chamber, membrane generating an underpressure in the underpressure chamber designed in the form of one or more pieces. Membrane surrounds the receiving part, breastshield unit comprises a membrane housing part, arranged on the side of the breast, and the membrane housing part, facing from the breast. Said membrane housing parts form a common membrane housing, and wherein the membrane between these two membrane housing parts is movable and held. Breast pump is performed with three versions of breastshield units and includes a vacuum pump and a vacuum line connecting the vacuum pump with a vacuum port. Alternative versions of breastshield units are disclosed, wherein one version comprises the receiving part which sets the central axis (A) and membrane is on the side of the underpressure chamber, which faces the nipple, and in the other version, a milk port for connecting the underpressure chamber with a milk collection vessel is disclosed.

EFFECT: inventions facilitate assembly and cleaning of the device, provide separation of air/vacuum and milk, and ensure uniform delivery of a pump during its operation.

14 cl, 11 dwg