Device and method for expiratory air examination

Details Device and method for expiratory air examination Device and method for expiratory air examination

1993-06-03

1995-06-20

Kamm, William E.

Surgery

Truss

Pad

128716, 73 233, 422 84, A61B 500

Patent

active

054253748

ABSTRACT:
A portable type clinical examination device using expiratory air of a patient as a sample and measuring with high accuracy and rapidity concentration of trace amounts of aimed gas components contained in the expiratory air. The clinical examination device feeds an expiratory air sample provided by a patient, fed through an expiratory air sucking portion and separated in a column to a detector which detects trace amounts of aimed gas components contained in the expiratory air sample by ionizing the aimed gas components through application of ultraviolet or radiation, so that output signals from the detector are processed and concentration of the aimed gas components is computed by use of a previously memorized working curve to provide a clinical examination data which is output on a recording device or the like.

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K. M. Dubowski, Breath Analysis as a Technique in Clinical Chemistry, Clin. Chem. 20.966-972 (1974).
A. Manolis, the Diagnostic Potential of Breath Analysis, Clin. Chem. 29.5-15 (1983).
M. Phillips, Breath Tests in Medicine, Scientific American, Jul., 1992.

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