Methods of detecting gaseous component levels in a breath

Details Methods of detecting gaseous component levels in a breath Methods of detecting gaseous component levels in a breath

G - Physics

01

N

G01N 33/98 (2006.01) A61B 5/087 (2006.01) G01N 27/416 (2006.01) G01N 33/497 (2006.01) G01N 37/00 (2006.01) G01F 1/34 (2006.01) G01F 1/68 (2006.01)

Patent

CA 2552130

Method for detecting gaseous component levels in a breath, comprising: receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor; measuring a flow rate of the breath received through the breath channel; measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel; and calculating a current gaseous component level utilizing the flow rate, first time and an output from the gas sensor. Methods for detecting an error condition while measuring gaseous component levels in a breath comprising: determining if the peak output occurs while breath is still being received in the breath channel; and if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition.

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