Surgery – Respiratory method or device – Ozone or ion generation
Patent
1975-04-08
1976-06-15
Mancene, Louis G.
Surgery
Respiratory method or device
Ozone or ion generation
128214C, 128214F, A61M 516
Patent
active
039630242
ABSTRACT:
A fluid flow regulator is inexpensively constructed in a unitary system with a rigid and transparent drip chamber overlying a rigid float chamber. The purpose of the regulator is to control the dispensing of physiological fluids or the like to be infused into the circulatory system of a patient. The unitary structure is essentially cylindrical in shape divided by a median wall into a top cylindrical portion functioning as a drip chamber and a bottom cylindrical portion functioning as a float chamber. The two chambers are connected by a pressure equalizing air tube and neither chamber is vented to the outside atmosphere. Such pressure equalization makes the system self-compensating for the purpose of maintaining a constant head for the fluid between the drip chamber and the float chamber. The float chamber includes a float which is buoyed by liquid entering the float chamber and the float and the float chamber function as a valve to selectively open and close a port leading to the infusion needle of the apparatus. The two chambers are connected by tubing which provides a flow path between the liquid in the drip chamber and the float chamber. A relatively small head is maintained across a variable restriction device in that flow path, with the arrangement providing a valve opening many times larger than the expected particulate matter size. Thus, there is no clogging over long periods of time.
REFERENCES:
patent: 3512748 (1970-05-01), Wilson
patent: 3587313 (1971-01-01), Smith
patent: 3690318 (1972-09-01), Gorsuch
patent: 3756233 (1973-09-01), Goldowsky
Cutting Robert F.
Mancene Louis G.
Yavner Stanley J.
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