Expiration collector

Details Expiration collector Expiration collector

G - Physics

01

N

G01N 1/24 (2006.01) A61B 5/083 (2006.01) G01N 33/497 (2006.01) G01N 33/98 (2006.01)

Patent

CA 2134136

ABSTRACT OF THE DISCLOSURE An expiration suction passage communicating with an expiration blowing part provided with a non-airtight mask is connected to a forward end surface of a syringe through a two-way on-off electromagnetic valve, while an expiration transmission passage communicating with a sample outlet is also connected to the forward end surface of the syringe. A two-way on-off electromagnetic valve is provided in the expiration transmission passage, and an 02 sensor is provided between the electromagnetic valve and the sample outlet as a standard gas sensor. The syringe has a capacity capable of collecting several breaths, and a sucking operation is driven at a speed for collecting several breaths in single suction. - 25 -

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