CPC A61M 16/0605 (2014.02) [A61B 5/0836 (2013.01); A61B 5/097 (2013.01); A61M 16/06 (2013.01); A61M 16/0666 (2013.01); A61M 16/0683 (2013.01); A61M 16/085 (2014.02); A61M 16/0816 (2013.01); A61M 16/204 (2014.02); A61M 16/205 (2014.02); A61M 2016/0661 (2013.01); A61M 2202/0208 (2013.01); A61M 2202/0225 (2013.01); A61M 2230/432 (2013.01)] | 22 Claims |
1. An oxygen-capnography face mask comprising:
a mask body having an outer periphery defining a mask internal space, wherein the mask body is configured to be laid over a face of a subject;
an inner partition wall positioned in the mask internal space and defining, in the mask internal space, a subject respiration space and a subject oxygen reservoir, the inner partition wall comprising at least one opening extending through the inner partition wall connecting the subject respiration space and the subject oxygen reservoir, the at least one opening defining a bi-directional fluid flow channel between the subject respiration space and the subject oxygen reservoir; and
a carbon dioxide conduit defining a distal conduit end connected to the inner partition wall and in fluid communication with the subject respiration space,
wherein the inner partition wall is disposed within and spaced from the outer periphery of the mask body.
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