Respiratory analyzer calibration apparatus with controlled respi

Details Respiratory analyzer calibration apparatus with controlled respi Respiratory analyzer calibration apparatus with controlled respi

1986-03-24

1987-07-21

Noland, Tom

Measuring and testing

Instrument proving or calibrating

Volume of flow, speed of flow, volume rate of flow, or mass...

G01N 33497, G01D 2500

Patent

active

046809562

ABSTRACT:
A method and apparatus for the controlled simulation of respiratory gas exchange as it takes place in mammals, for the primary purpose of calibrating and checking the performance of laboratory and clinical test equipment systems. The method and apparatus can reproduce any range of respiratory performance by pumping and mixing atmospheric air with a gas mixture of carbon dioxide and nitrogen. The subject matter of the disclosure provides an accurate, economical and rapid means of on-line calibration of analytical respiratory test systems.

REFERENCES:
patent: 3943775 (1976-03-01), DeBaun
patent: 4448058 (1984-05-01), Jaffe et al.
patent: 4509359 (1985-04-01), Gedeon et al.
patent: 4516424 (1985-05-01), Rowland
patent: 4537058 (1985-08-01), Luper
"A Piston Pump for Respiration Simulation"; J. Appl. Physioli Respirat. Eron. Exercise Physiol.; 50(3); pp. 663-664, 1981, U. Boutellier et al.

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