Surgery – Instruments – Orthopedic instrumentation
Patent
1990-11-01
1992-03-31
Hafer, Robert A.
Surgery
Instruments
Orthopedic instrumentation
604 75, A61M 106
Patent
active
051004062
ABSTRACT:
A liner for a breast pump which results in increased milk pumped from the female breast having a bell-shaped, flexible body which flares outwardly at one end to a size sufficient to fit over the female breast and narrows at the opposite end to an opening of a size sufficient to permit the flow of milk and which is provided with a circular extension to be connected to the pumping head. The body is provided on its outer surface with recesses providing a membranous wall portion thinner than the body.
REFERENCES:
patent: 1509226 (1924-09-01), Brown
patent: 1670610 (1928-05-01), Colby
patent: 2542505 (1951-02-01), Gascoigne
patent: 4573969 (1986-03-01), Schlensog
patent: 4772262 (1988-09-01), Grant
patent: 4794915 (1989-01-01), Larsson
patent: 4799922 (1989-01-01), Beer
patent: 4813932 (1989-03-01), Hobbs
Brown Michael
Graham-Field, Inc.
Hafer Robert A.
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