A - Human Necessities – 61 – G
Patent
A - Human Necessities
61
G
128/54
A61G 13/00 (2006.01) A61M 1/00 (2006.01)
Patent
CA 1038714
ABSTRACT OF THE DISCLOSURE A transparent arcuate panel structure is provided including a pair of spaced generally parallel panel sections having corresponding marginal edge portions sealed relative to each other to define a closed vacuum cavity between the panel sections. The panel structure includes an outlet neck portion at one marginal edge thereof opening into the vacuum cavity and the inlet end of a vacuum line is connected to the outlet neck portion. An adjustable support is provided for positioning the panel structure in a downwardly opening posi- tion above the head of a patient to which anesthesia is being administered and the lower panel section is provided with a plurality of small inlet openings spaced apart throughout substantially the entire plan area of the lower panel section. When the vacuum line has its outlet end communicated with a source of vacuum gases exhaled by a patient to which anesthesia is being administered or drawn upwardly toward the panel structure and into the vacuum cavity through the small diameter openings or apertures formed in the lower panel section of the panel structure. The panel structure is constructed of transparent material and the operation of the panel structure to draw exhaled gases into the closed vacuum cavity for subsequent venting to a remote location through the vacuum line serves to eliminate the possibility of an anesthetist inhaling exhaled gases.
219315
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