Respiratory analyzer calibration apparatus with controlled respiratory gas exchange simulation
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United States of America Patent
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Jul 21, 1987
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N/A
app pub date -
Mar 24, 1986
filing date -
Nov 17, 1983
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Expired
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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.
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