Expiration collector

Details Expiration collector Expiration collector

1994-10-24

1996-07-09

Cohen, Lee S.

Surgery

Truss

Pad

128730, 73 233, 422 84, A61B 5097

Patent

active

055335136

ABSTRACT:
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 O.sub.2 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.

REFERENCES:
patent: 3890967 (1975-06-01), Elam et al.
patent: 4818489 (1989-04-01), Gonner et al.
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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