G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 33/98 (2006.01)
Patent
CA 2083571
ABSTRACT The suggested invention, presents itself as a two part device, which can be attached by friction joins, to existing reactive ampoules relating to the detection of the presence and concentration of alcohol in the human body through breath analysis. The novel effect of the invention becomes apparent in that when used in conjunction with existing devices, significant improvements in the specificity and accuracy of results are met. These are occasioned by decreasing the range of false detection of like substances, which can overlay and otherwise cause an incorrect positive results. Additionally the suggested device allows one to control the sample volume as well as the speed in which the sample is introduced to the detective reaction. Finally, the device introduces a new reagent to the process, which reacts specifically with a single by-product of existing reactions, namely acetaldehydes and provides a colourmetric response from which it is possible to determine the degree of alcohol intoxication in an accuracy heretofore only possible by blood analysis. The net result of the improvements is a significant improvement in sensitivity and specificity over methods and devices presently in use. The time needed for use of the suggested invention, inclusive of device, reagent and method is just 1.5-2 minutes, and the accuracy and specificity correlate with such a high degree of certainty to results obtained during blood control comparisons, that this device will eliminate the need for any other device inclusive of the extant corroborative blood analysis. The more accurate results are complemented not only by cost savings to law enforcement agencies by the elimination of corroborative measures but also by the absence of any need for transportation from the road-site.
Caldwell Roseann B.
Khartchenko Serguei V.
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