US Patent:
20110098590, Apr 28, 2011
Inventors:
Ian Garbutt - Camas WA, US
David Urman - Portland OR, US
John Hunt - Madison VA, US
Stephen H. Mastin - Gresham OR, US
Wes Spiegel - Richardson TX, US
Chris Marsh - Lake Oswego OR, US
International Classification:
A61B 5/08
Abstract:
An apparatus for measuring a quantity of an analyte, such as an aldehyde, contained in a breath sample includes a breath collection device and a measurement device. The breath collection device includes a breath inlet area, a breath outlet area, and a reaction chamber. The reaction chamber can include a reagent that is colorimetrically reactive with one or more aldehydes. The measurement device includes a light emitting device and a light measuring device and is configured to provide a quantitative value indicative of the amount of aldehydes present in the breath sample.