Controlling flow of exhaled breath during analysis
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United States of America Patent
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Jan 13, 2015
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app pub date -
Feb 6, 2006
filing date -
Feb 7, 2005
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Abstract
The flow rate of a gaseous sample of exhaled breath through an analytical device is controlled by a pump, and in certain embodiments two pumps. Placement of the analyte sensor in a secondary stream branching off of the primary stream through the device offers further control over the manner, duration, and quantity of the breath that is placed in contact with the sensor.
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