Patent ID: 6491643
Filing Date: 2002-12-10
Classification: A61B,G01N,Y10S

Abstract:
A breath test analyzer which collects samples of a subject's exhaled breath for analysis for a product of an isotope labeled substance ingested by said subject, comprising:a breath analysis chamber; a breath inlet conduit for conveying said exhaled breath from said subject to said breath analysis chamber; and a gas analyzer operative to analyze gas in said breath analysis chamber and to conduct a first analyzing of a first sample collected from at least a first exhaled breath of said subject, and a second analyzing of a second sample collected from at least a second exhaled breath of said subject, at least said second breath being collected following ingestion by the subject of said isotope labeled substance; wherein said analyzer determines the gastric emptying rate of the subject from a change in the level of said product of an isotope labeled substance ingested by the subject.