Surgery – Liquid medicament atomizer or sprayer – Gas stream aspirating medicament from reservoir
Patent
1995-06-05
1997-08-26
Millin, V.
Surgery
Liquid medicament atomizer or sprayer
Gas stream aspirating medicament from reservoir
12820014, 12820312, A61M 1100
Patent
active
056601670
ABSTRACT:
A device for entraining a liquid into a carrier gas comprises a hollow cylindrical body having an inlet chamber separated from the interior of the body by a partition. A first nozzle and second nozzle are each supported in the partition and interconnect the inlet chamber and the body interior. A passageway connects a reservoir to the first nozzle so that a first stream of carrier gas flowing through the first nozzle aspirates a liquid within the reservoir and entrains the liquid therein. A second stream of carrier gas flows through the second nozzle and mixes with the first steam in the interior of the body, thereby forming a resultant carrier gas mixture that is lower in liquid concentration than obtainable by having the first nozzle alone. An air inlet opening with an adjustable cover communicates between the interior of the body and its exterior. The air inlet opening is located adjacent the discharge ends of the nozzles to draw air into the resultant carrier gas mixture to dilute the concentration of carrier gas. The enclosure is V-shaped, the reservoir being a separable container that attaches thereto and, when empty, may be detached and replaced with a new reservoir. A drain opening is formed in the enclosure at its lowest point and aligns with a vent opening of the container when the container is fully engaged with the enclosure, thereby maintaining a constant pressure over the liquid in the container and allowing condensed liquid to drain back into the container.
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Millin V.
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