Patent ID: 9265869
Filing Date: 2016-02-23
CPC Classification: A61J,A61M

Claim Text:
1. A breast pump comprising: a funnel for receiving a breast of a user, an insert receivable in the funnel and having a plurality of deformable regions spaced from each other, each of said plurality of deformable regions forming a chamber between the insert and the funnel when the insert is received in the funnel, wherein said deformable regions are deformed relative to the breast of the user in response to a negative pressure in the chamber, a cavity in which said negative pressure is generated by a source of negative pressure to draw milk through the cavity wherein an end of the insert seals against the funnel to separate the chamber from the cavity; and a channel in and at an upper end of the funnel to connect all of the chambers with the cavity, wherein the channel is disposed above a nipple of the user, and wherein the channel is formed inside a wall of the funnel.