Automatic shutting-off sealing and alarming device for dripping

Details Automatic shutting-off sealing and alarming device for dripping Automatic shutting-off sealing and alarming device for dripping

1987-03-25

1988-09-06

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604251, 604256, A61M 100

Patent

active

047690070

ABSTRACT:
Present disclosure relates to an automatic shutting-off and alarming device for dripping injection use, which comprises of a closed container, a buoyant cylinder, a ring magnet, a magnetically actuated contactor, and an alarming system. The ring magnet is furnished on the bottom end of the buoyant cylinder and the buoyant cylinder is placed into the closed container, the magnetically actuated contactor is pivotally clamped to the bottom edge of the closed container. When injection fluid comes into the closed container, buoyant force keeps the buoyant cylinder afloat, and when the injection fluid is almost used up, the fluid level of the closed container is lowered down, and the magnetic forces between the ring magnet on the bottom end of the buoyant cylinder and the magnet on the magnetically-actuated contactor attracts each other for shutting-off the injection fluid to stop the injection as well as to activate an alarming system for alerting the nurse or medical care personnel in the nursing shift center to take proper action. The device not only can secure the injection safety, it also saves manpower for patient's care, saves time for subsequent injections, and promotes to hospital management.

REFERENCES:
patent: 3216419 (1965-11-01), Scislowicz
patent: 3227173 (1966-01-01), Berstein
patent: 4203463 (1980-05-01), Ponlot et al.
patent: 4244364 (1981-01-01), Grushkin
patent: 4449976 (1984-05-01), Kamen

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