Dropper-controller with an automatically sealing means

Details Dropper-controller with an automatically sealing means Dropper-controller with an automatically sealing means

1994-08-09

1995-05-16

Kashnikow, Andres

Dispensing

Automatic control

Material level control

604254, 604127, 137399, A61M 516

Patent

active

054153255

ABSTRACT:
A dropper-controller including a reservoir connected with a dropper bottle containing a liquid medicine, and an automatically sealing member formed by a cup-like buoyage and disposed in the reservoir. When the liquid medicine gradually drops from the dropper bottle into the reservoir, the buoyage is buoyed up and automatically open a lower discharging opening of the reservoir, permitting the liquid medicine to flow through a hose to an injection needle for injection. When the liquid medicine in the dropper bottle is about exhausted, the level of the liquid medicine in the reservoir descends, making the buoyage together move downward onto the discharging opening of the reservoir and seal the same so as to interrupt the passage of the liquid medicine.

REFERENCES:
patent: 2074927 (1937-03-01), Logette et al.
patent: 3216419 (1965-11-01), Scislowicz
patent: 3227173 (1966-01-01), Bernstein
patent: 4640306 (1987-02-01), Fan
patent: 4870987 (1989-10-01), Cheng
patent: 4959053 (1990-09-01), Jang
patent: 5234414 (1993-08-01), Hung

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