Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1986-08-29
1988-05-10
Coven, Edward M.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820325, A61M 1500
Patent
active
047428236
ABSTRACT:
Liquid injector for wetting mechanically delivered intrapulmonary gases having a reservoir adapted to contain a quantity of liquid. A tube extends downwardly into the reservoir to a level below the level of the liquid in the reservoir. A one-way check valve controls the flow of liquid from the tube. Tubing including an additional one-way check valve is provided for delivering gas under pressure to the reservoir above the liquid in the reservoir to apply pressure to the liquid in the reservoir to force the liquid up through the tube. An orifice is provided which is in communication with the first named one-way check valve means. A body is provided forming a chamber surrounding the orifice. A valve is provided for adjusting the flow of liquid from the orifice. Gas under pressure is supplied to the chamber to cause the gas to come in contact with the liquid passing through the orifice means. Gas is withdrawn from the chamber after liquid has been introduced into the gas.
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patent: 4101611 (1978-07-01), Williams
patent: 4508117 (1985-04-01), Rodari
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Coven Edward M.
Lacyk J. P.
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