Drive unit adapted for use with manual piston pump

Details Drive unit adapted for use with manual piston pump Drive unit adapted for use with manual piston pump

1988-02-29

1991-04-16

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604120, 604154, A61M 106

Patent

active

050078992

ABSTRACT:
An improved breast pump assembly, including a manually operable breast pump that can be used in a manual mode by hand-driving the breast pump, provides a motor drive unit which is adapted to receive and hold the manually operable piston pump of the breast pump, with a pump drive for reciprocating the piston rod of the piston pump in substantially the same stroke as would occur in optimum manual driving of the breast pump.

REFERENCES:
patent: 1509226 (1924-09-01), Brown
patent: 1644257 (1927-10-01), Lasker
patent: 1966498 (1934-07-01), Gross
patent: 2419795 (1947-04-01), Saunders
patent: 4067332 (1978-01-01), O'Leary
patent: 4583970 (1986-04-01), Kirchner
patent: 4759747 (1988-07-01), Aida et al.
Lawrence, "Breastfeeding", pp. 467-469 (4-16-86).

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