Emergency breathing bag
OwnerRobert E. Stewartinventor
Life of this patent
Estimating the term…
Abstract
The breathing bag has an upper region; a lower region; a conduit for delivering exhaled air to the lower region and a conduit for withdrawing breathable air from the upper region. The device also has a baffle mounted therein for entrapping exhaled air in the lower region and for causing the exhaled air to remain in a low turbulence mode, for promoting a separation of oxygen and carbon dioxide from the exhaust air by stratification and for causing carbon dioxide to accumulate in the lower region of the bag. Consequently, the breathable air rising from the lower region of the bag has a higher oxygen content. In another aspect of the invention, a method for separating carbon dioxide and oxygen by stratification from exhaled air is also described.
Claims11
An emergency breathing bag containing breathable air and comprising;
- an inverted U-shaped configuration with two leg portions and an upper connector joining said leg portions;
- said upper connector having a mouthpiece connected thereto;
- each of said leg portions including;
- an upper region;
- a lower region;
- and an elongated intermediate segment extending between said lower region and said upper region;
- a passage for delivering exhaled air from said mouthpiece and into said lower region;
- a baffle mounted in said lower region for causing said exhaled air to be restrained in a still mode in said lower region, for promoting a separation of carbon dioxide and oxygen from said exhaled air by stratification, and;
- each of said leg portions, and a connection of each of said leg portions to said upper connector having a same and uniform hollow cross-section there along, for allowing said oxygen from said exhaled air to rise to said upper connector with reduced turbulence.
A breathing bag containing breathable air and having;
- a mouthpiece;
- an inverted U-shaped bag having two spaced apart leg portions extending vertically and an upper connector extending horizontally and connecting said leg portions together;
- each of said leg portions having a lower region and an elongated intermediate segment extending between said lower region and said upper connector;
- exhaled air hoses connected to said inverted U-shaped bag and to said mouthpiece for delivering exhaled air in said lower regions;
- an outlet hose connected to said upper connector and to said mouthpiece for withdrawing said breathable air therefrom;
- a baffle mounted in each of said leg portions in said lower regions for causing said exhaled air to be restrained in a still mode in said lower regions for promoting a separation of carbon dioxide and oxygen from said exhaust air by stratification and
- each of said leg portions and a connection of each of said leg portions to said upper connector having a same and uniform hollow cross-section there along for allowing said oxygen from said exhaled air to rise to said upper connector with reduced turbulence.
Dependencies are inferred from the claim text.