Pivotable foot operated breast pump

Details Pivotable foot operated breast pump Pivotable foot operated breast pump

1993-07-12

1994-04-19

Kruter, Jerome L.

Surgery

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

Treating material introduced into or removed from body...

417473, A61M 106

Patent

active

053041291

ABSTRACT:
A breast pump includes a platform resting on the floor or other support and a treadle having a convex surface resting on the platform, permitting a pivoting or see-saw motion of the treadle. A bellows is connected between the treadle and the platform, forming a variable displacement chamber. A flexible hose connects the chamber to a reservoir including a container, such as a baby bottle, and an adaptor attached to the bottle as a cap. There is no valve controlling the flow of air to or from the reservoir, thereby providing complete and precise control of the pressure in the reservoir.

REFERENCES:
patent: 11135 (1854-06-01), Needham
patent: 1056865 (1913-03-01), Webster
patent: 4187845 (1980-02-01), Dror
patent: 4680028 (1987-07-01), Stuart
patent: 4892517 (1990-01-01), Yuan et al.

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