BREAST PUMP INSERT Russian patent published in 2015 - IPC A61M1/06 

FIELD: medicine.

SUBSTANCE: group of inventions refers to medical equipment. A breast funnel of the breast pump comprises an output section, a nipple cavity, a main insert comprising an elongated inflated cylinder forming a pressure cavity, and an additional insert with a full-circle elastically deformable wall provided in the input section, and extending above a front end of the cylinder so that the above front end is out of contact with the user's nipple when the user's nipple is in the above funnel. The elongated inflated cylinder is configured to be integrated in the nipple cavity so that the cylinder extends from an inner end of the above funnel towards an outer end of the above funnel and is positioned between the user's nipple and funnel, when the breast is placed into the above funnel so that the elongated inflated cylinder is configured to be deformed towards the user's nipple enclosed in the nipple cavity as specified before, when a pressure difference is generated between the nipple cavity and pressure cavity so that to apply a peristaltic effort to the user's nipple to facilitate the expression of breast milk. What is disclosed is a breast pump using this funnel.

EFFECT: simplifying the structure and facilitating the peristaltic effect on the breast similar to nursing infant's motions.

14 cl, 4 dwg