Method and apparatus for inhalation of treating gas and...

Details Method and apparatus for inhalation of treating gas and... Method and apparatus for inhalation of treating gas and...

A - Human Necessities

61

B

150/12, 128/71

A61B 5/08 (2006.01) A61B 5/097 (2006.01) A61M 16/06 (2006.01) G01N 33/497 (2006.01)

Patent

CA 1340050

A nasal cannulae is described for insufflating a treating gas into one nostril and measuring at least one gaseous component of exhaled breath in the other nostril of a living body. The cannulae includes a wall member cooperating with a hollow body of the cannulae to define inhalation and exhalation manifolds and sealingly engaging the hollow body to provide a gas-tight seal for positively preventing fluid communication between these manifolds. A hollow nasal prong communicates with each manifold and is positioned and shaped to be received in a corresponding nostril. The wall member may be integrally molded with the body of the cannulae when it is made or a conventional cannulae may be modified by insertion of a wall member to create separate manifolds. The nasal prongs may have the same or different lengths.

596624

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