Liquid drainage system with vertical movable light emitter and d

Details Liquid drainage system with vertical movable light emitter and d Liquid drainage system with vertical movable light emitter and d

1983-01-29

1986-08-05

Yasko, John D.

Surgery

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

Treating material introduced into or removed from body...

604260, 128771, 73293, A61M 5005

Patent

active

046040927

ABSTRACT:
A liquid drainage system comprising, a container having a cavity to receive the liquid. The system has an associated light emitter and light detector being changeable between a first state with the light from the emitter impinging upon the detector, and a second state with the light from the emitter passing away from the detector dependent upon the presence of liquid in the container between the emitter and detector. The system has a device for moving the emitter and detector vertically along the container.

REFERENCES:
patent: 2948186 (1960-08-01), Kendall
patent: 3511572 (1970-05-01), Peube et al.
patent: 4014010 (1977-03-01), Jinotti
patent: 4193004 (1980-03-01), Lobdell et al.
patent: 4223231 (1980-09-01), Sugiyama
patent: 4300552 (1981-11-01), Cannon
patent: 4343316 (1982-08-01), Jespersen
patent: 4383252 (1983-05-01), Purcell et al.
patent: 4448207 (1984-05-01), Parrish

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