Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1990-04-06
1991-02-19
Burr, Edgar S.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820016, 12820014, 12820312, 261DIG65, A61M 1100
Patent
active
049934112
ABSTRACT:
A closed vertical mixing chamber is defined above a predetermined plan area of a body of water and an upright tubular member including open upper and lower ends is supported over a central zone of the area spaced slightly above the water level. Structure is provided defining a closed inlet chamber above lower end of the tubular member and about the latter into which gas to be humidified is admitted. The gas is discharged downwardly from the inlet chamber about the lower end of the tubular member toward the water level and at locations spaced outwardly from and about the tubular and electro-acoustical transducer structure is operatively associated with the water in the zone for generating a column of water projecting upwardly above the level and having finely divided particles of water emanating therefrom. The gas moves inwardly over the surface of the water toward the water column and thereafter upwardly into the tubular member about the water column. The upper end of the tubular member opens into the upper end portion of the mixing chamber for discharging humidified gas thereinto and a gas outlet is provided opening outwardly of a lower portion of the mixing chamber adjacent the lower end of the tubular member.
REFERENCES:
patent: 2852022 (1958-09-01), Netteland
patent: 3387607 (1968-06-01), Gauthier et al.
patent: 3593712 (1971-07-01), Weaver
patent: 3901443 (1975-08-01), Mitsui et al.
patent: 4243396 (1981-01-01), Cronenberg
patent: 4319155 (1982-03-01), Nakai et al.
patent: 4463708 (1984-08-01), Gerry
patent: 4776990 (1988-10-01), Verity
New Riverside University Dictionary; 1984 Ed., Houghton Mifflin, Co.
Burr Edgar S.
Medway
Raciti Eric P.
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