Breast pump

Details Breast pump Breast pump

1988-04-11

1990-01-09

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

A61M 106

Patent

active

048925179

ABSTRACT:
An improved breast pump comprised of a manifold having a cavity and plurality of openings. A horn is positioned in one of the openings for coupling the mother's breast with the cavity. A first fixed cylinder is formed integrally with a second opening of the manifold with a second cylinder slidingly received over the first cylinder for effecting a pumping action therebetween to create a reduced pressure within the horn, cavity and cylinders. A third opening is for the coupling of a baby bottle therewith. A ball valve is located within the third opening whereby when the second cylinder is reciprocated with respect to the first cylinder and a vacuum created in the horn, cavity and cylinders, the ball valve will seal the third opening and the bottle from the cavity and suck milk from a mother's breast located in association with the horn.

REFERENCES:
patent: 108882 (1870-11-01), Colvin
patent: 3977405 (1976-08-01), Yanase
patent: 4573969 (1986-03-01), Schlensog et al.

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