Patent ID: 8684961

Claim:
An insert for a breast receiving funnel of a breast pump comprising: a primary insert portion having an elongate inflatable bladder which defines a pressure chamber; and a secondary insert portion having an outer part for contacting a breast of a user in a mouth section of the breast receiving funnel, and an inner part extending from a portion of the outer part into a first side of a throat section of the breast receiving funnel, wherein the elongate inflatable bladder is configured to fit in a teat receiving space in a second side of the throat of said breast receiving funnel so that the bladder extends from the second side of the throat of said funnel towards the mouth of said funnel, and lies between a user's teat and the funnel at the second side of the throat when the breast is inserted in said funnel, such that the elongate inflatable bladder is configured to deform towards a user'teat located in the teat receiving space in a predetermined manner when a pressure difference is applied between the teat receiving space and the pressures chamber such that a peristaltic action is applied to said user's teat, to aid the expression of milk therefrom, wherein the throat section has a cylindrical shape, wherein the first side and the second side are equal parts that together form the cylindrical shape, and wherein the inner part of the secondary insert portion is arced to continuously cover a majority of the first side of the throat and the elongate inflatable bladder at least partially covers the second side of the throat so that the inner part of the secondary insert portion is diametrically opposite the elongate inflatable bladder in the throat and the first side is devoid of the elongate inflatable bladder, and wherein the secondary insert portion is not inflatable.