G - Physics
01
N
G01N 1/00 (2006.01) A61B 5/083 (2006.01) G01N 33/497 (2006.01) G01N 1/22 (2006.01) G01N 1/40 (2006.01)
Patent
CA 2045595
2045595 9009572 PCTABS00001 An apparatus (200) for sampling volumetric quantities of human exhaled breath has three conduits and may be provided in a Y- or T-shaped configuration. The free end of conduits (262) is adapted to connect with the mouth of the subject being tested. Another of the conduits (214) is adapted to pass air to the subject, this conduit being provided with a suitable filtering mechanism (230) such as a charcoal inhalation canister, and an inlet check valve (215). The third (218) of the three conduits supports an appropriate sampling canister (250) for receiving exhaled breath from the subject, and this conduit is also provided with a one way check valve (217).
Glaser Robert A.
Gowling Lafleur Henderson Llp
U.s. Department Of Commerce United States Of America Represented By The Secretary
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