Breast pump insert

Details Breast pump insert Breast pump insert

1987-02-24

1989-01-24

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604346, 119 1449, A61M 106

Patent

active

047999225

ABSTRACT:
A breast pump insert formed of a soft, resilient and translucent polymer material, such as a silicon polymer, that is inert against boiling water has a monolithic self-supporting structure consisting of a first or funnel-shaped portion for contact with a nipple-encompassing breast area and for providing a deformable sealing connection between the nipple-encompassing area and the suction bell of the breast pump when the pressure is reduced therein; and of a second or thimble-shaped portion for maintaining an enclosure around the nipple-encompassing area when the pressure is reduced within the pump; the thimble-shaped portion of the insert has an elongated and essentially tubular longitudinal wall section and an essentially transverse end wall section that provides a helmet-shaped end of the structure and includes at least one perforation for permitting passage of milk; the timble-shaped portion is formed and dimensioned to prevent axial collapse thereof under normal use conditions.

REFERENCES:
patent: 3822703 (1974-07-01), Davisson
patent: 4200058 (1980-04-01), Happel
patent: 4263912 (1981-04-01), Adams
patent: 4680028 (1987-07-01), Stuart

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