Multicannular fluid delivery system with attached manifold rings

Details Multicannular fluid delivery system with attached manifold rings Multicannular fluid delivery system with attached manifold rings

1997-12-05

1999-02-02

Ferensic, Denise L.

Pipes and tubular conduits

Combined

With end structure

138113, 138115, F16L 900

Patent

active

058652159

ABSTRACT:
The instant invention consists of an inner cannula of hosing amenable to transport of a liquid coupled with an outer cannula of hosing amenable to transport of a gas. As respects two embodiments, affixed to outer walling of the inner cannula and to inner walling of the outer cannula are rigid struts, typically three or four, at 120.degree. or at right angles with respect to one another at various points along the respective lengths of the hosing that serve to maintain separation of the cannulae from one another at times when the inner cannula is filled with a liquid and the outer cannula is filled with a gas. A third embodiment is strut free. Each cannula has an ingress end whereat a liquid is introduced into the inner cannula and whereat a gas is introduced via an extrusion found on the outer side of the first manifold ring into the outer cannula. Each cannula likewise has an egress end characterized by the presence of a second manifold ring component whereat the liquid is expelled typically from a nozzle thereat located and affixed thereto and the gas is amenable to discharge via the opening of a valve component affixed to an extrusion found on the outer side of the second manifold ring component of the instant invention.

REFERENCES:
patent: 1736923 (1929-11-01), Lalonde
patent: 3464450 (1969-09-01), Steffenini
patent: 4754782 (1988-07-01), Grantham
patent: 5277242 (1994-01-01), Arrington
patent: 5611373 (1997-03-01), Ashcraft

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