Surgery – Means for passing respiratory gas through body of liquid...
Patent
1981-08-27
1983-10-04
Recla, Henry J.
Surgery
Means for passing respiratory gas through body of liquid...
12820322, 12820326, A61M 1500
Patent
active
044072791
ABSTRACT:
Apparatus for inhalation comprising a single vacuum flask for holding a liquid and from which liquid vapor is to be inhaled, closure means for closing one end of the flask after the liquid has been introduced, air supply means, a connecting tube which passes through the closure means and via which air for inhalation is arranged to be fed from the air supply means to a region inside the flask adjacent the end remote from the closure means so as to bubble up through the liquid when contained therein, inhalation tube means which passes through the closure means for collecting the air after it has bubbled up through the liquid and which is adapted at one end thereof remote from the flask to fit to the nostrils whereby direct inhalation of air and vapor into the nostrils is facilitated, a thermometer which passes through the closure means and which is for measuring the temperature of the liquid in the flask, and a measuring cup which is for measuring the amount of liquid to be provided in the flask and which screws over the bottom of the flask.
REFERENCES:
patent: 47434 (1865-04-01), Lighthill
patent: 374402 (1887-12-01), Fell
patent: 2076461 (1937-04-01), Hipsley
patent: 2166574 (1939-07-01), Adolphsen
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