Method and Device for Express Analysis of Acetone Traces in Gases

Abstract

A device apparatus for measuring acetone levels exhaled air in order to determine the content of glucose in the blood is provided. The device includes a chemical sensor cell having a vertically oriented hollow truncated cone with one end having a first diameter and an opposite end having a second diameter that is larger than the first diameter and also a solution housed within the chemical sensor cell.

We claim: 
     
         1 . A device for measuring the concentration of acetone in exhaled air in order to determine the content of glucose in the blood, comprising:
 a chemical sensor cell comprising a vertically oriented hollow truncated cone with one end having a first diameter and an opposite end having a second diameter that is larger than the first diameter; and,   a solution housed within the chemical sensor cell.   
     
     
         2 . The device of  claim 1 , wherein the chemical sensor cell further comprises an outlet positioned proximal to the one end of the chemical sensor cell having the first diameter and an inlet positioned proximal to the opposite end of the chemical sensor cell having the second diameter. 
     
     
         3 . The device of  claim 1 , wherein the chemical sensor cell is made of transparent plastic. 
     
     
         4 . The device of  claim 2 , wherein the outlet of the chemical sensor cell is coupled to a valve. 
     
     
         5 . The device of  claim 1 , wherein the solution contains a solute selected from the group consisting of Sodium Iodate, Sodium Nitroprusside, Metadiamine, Phenyl-hydrazone, Furfural, o-Nitrobenzaldehyde, and combinations thereof. 
     
     
         6 . The device of  claim 2 , further comprising:
 a dosator coupled to the inlet of the chemical sensor cell;   a light emitter coupled to the chemical sensor cell;   an optical sensor coupled to the chemical sensor cell; and,   a microprocessor coupled to the optical sensor.   
     
     
         7 . The device of  claim 6 , wherein the dosator is coupled to an actuator. 
     
     
         8 . The device of  claim 7 , wherein the actuator is coupled to a valve. 
     
     
         9 . The device of  claim 6 , further comprises a numerical value output computed by the microprocessor, the number value output correlates the difference in optical absorbance of an unreacted solution with a solution reacted with acetone from exhaled air to produce an output congruous with blood glucose concentration. 
     
     
         10 . The device of  claim 9 , wherein the numerical value output is displayed on a screen.