Milk suction device

Details Milk suction device Milk suction device

1985-05-23

1986-04-22

Truluck, Dalton L.

Surgery

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

Treating material introduced into or removed from body...

604184, A61M 106

Patent

active

045839700

ABSTRACT:
A milk suction device consisting of a funnel and a piston pump connected thereto which can be operated easily as a hand-operated pump or as a motor driven pump. A hollow piston rod is constructed as an outwardly guided aeration duct and has a return valve as its opening located in the suction space of a cylinder of the pump, which return valve is closed during the suction stroke of the piston pump and is constructed as an aeration valve. A ventilation valve is arranged in a front face of the pump cylinder opposite the piston rod and in order to connect a motor driven pump, it is only necessary to slide its tube onto the free end of the piston rod.

REFERENCES:
patent: 3782385 (1974-01-01), Loyd
patent: 4287819 (1981-09-01), Emerit
patent: 4311141 (1982-01-01), Diamond
patent: 4457755 (1984-07-01), Wilson

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