Expiration collecting method and automatic expiration collector

Details Expiration collecting method and automatic expiration collector Expiration collecting method and automatic expiration collector

A - Human Necessities

61

B

A61B 5/097 (2006.01) A61B 5/083 (2006.01) G01N 1/24 (2006.01) G01N 33/497 (2006.01)

Patent

CA 2134135

ABSTRACT OF THE DISCLOSURE A syringe for collecting expiration is switched to be connected to by a three-way electromagnetic valve between an expiration blowing part and a measuring part, so that expiration blown from the expiration blowing part is collected in the syringe while replacing old expiration, and a switching valve is closed upon completion of exhalation so that end-tidal air is collected in the syringe. Thereafter the expiration sample is introduced into the measuring part from the syringe so that a constant amount of the expiration sample is collected by the measuring part to be introduced into a column. - 28 -

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