Expiration collecting method and automatic expiration collector

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

1994-10-24

1996-11-12

Cohen, Lee S.

Surgery

Truss

Pad

128719, 73 233, 422 84, A61B 5097

Patent

active

055730051

ABSTRACT:
A syringe for collecting expiration is switched, to be connected 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. 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.

REFERENCES:
patent: 3306283 (1967-02-01), Arp
patent: 3613665 (1971-10-01), Gorsuch
patent: 4793358 (1988-12-01), Kimura
patent: 4818489 (1989-04-01), Gonner et al.
patent: 4947861 (1990-08-01), Hamilton
patent: 5042501 (1991-08-01), Kenny et al.
patent: 5060656 (1991-10-01), Howard
patent: 5425374 (1995-06-01), Ueda et al.

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