Combination intra-veinous flow-meter and low level fluid mechani

Details Combination intra-veinous flow-meter and low level fluid mechani Combination intra-veinous flow-meter and low level fluid mechani

1979-02-23

1981-01-13

Truluck, Dalton L.

Surgery

Respiratory method or device

Ozone or ion generation

128DIG13, 222 67, 340624, A61M 514

Patent

active

042443644

ABSTRACT:
This combination device consists primarily of a stem with a pointed float with plate means at one end, which is freely received in an opaque walled sensing chamber, that removably receives a sensing plug, which is attached to an alerting device, for indicating the ceasing of flow, of intra-venous fluid to a patient. The pointed float also serves as a means, for easy insertion of the flow-meter stylus of the assembly, during insertion, into a bottle of intra-venous fluid. The sensing plug includes a pair of prongs, one of which, has a light emitting diode therein, and the other prong includes a photo-sensitive transistor, and the plate end of the float stem, when lowered between the prongs by low fluid level, will activate the circuitry of an alerting device.

REFERENCES:
patent: 2850211 (1958-09-01), Fernandez
patent: 3553583 (1971-01-01), Wiley
patent: 3631437 (1971-12-01), Campbell et al.
patent: 3942526 (1976-03-01), Wilder et al.
patent: 4014010 (1977-03-01), Jinotti

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