EXPIRED GAS ANALYTICAL METHOD AND DEVICE

摘要

An expired gas analytical device using as sample an expired gas of a patient for measuring rapidly and accurately a plurality of trace amounts of gas components contained in the expired gas. The expired gas analytical device does, for separating accurately and in a short time a plurality of gas components in expired gas samples, include a plurality of columns having different gas-separation conditions such as column structures and temperatures, inject and develop expired gas samples in the columns, and process output signals from a detector to compute concentrations of the gas components by use of previously memorized calibration curves for the gas components, thereby providing clinical examination data.