On-line linear tonometer

Details On-line linear tonometer On-line linear tonometer

1984-07-19

1986-02-04

Levy, Stewart J.

Measuring and testing

Instrument proving or calibrating

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

422 50, 422 68, 422 99, 436 11, 436 16, G01N 3396, G01N 3350

Patent

active

045677484

ABSTRACT:
A tonometer having vessels for producing and maintaining multi-levels of tonometerd aqueous buffered solutions and whole blood available for use in the quality controlling of a blood-gas analyzer. A water bath maintains all vessels at a predetermined temperature and gas mixtures are supplied at a very low rate thereby permitting continuous operation of the tonometer.

REFERENCES:
patent: 3639830 (1972-02-01), Harnoncourt
patent: 3885414 (1975-05-01), Reville
patent: 3920396 (1975-11-01), Schuy
patent: 3973915 (1976-08-01), Raffaele et al.
patent: 4108607 (1978-08-01), Pearson et al.
patent: 4209300 (1980-06-01), Thibault
patent: 4251483 (1981-02-01), Carroll
patent: 4256461 (1981-03-01), Wallace et al.
patent: 4301117 (1981-11-01), Smernoff
patent: 4358424 (1982-11-01), Weber et al.
patent: 4403038 (1983-09-01), Asakura et al.
patent: 4424276 (1984-01-01), Clark et al.
"Quality Control in Blood pH and Gas Analysis by Use of a Tonometered Bicarbonate Solution and Duplicate Gas Analysis"; Clin. Chem.; vol. 27; No. 10; pp. 1761-1764; Robert W. Burnett; 1981.

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