Portable Spirometer
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Oct 19, 2010
filing date -
Dec 24, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is a portable spirometer which comprises: a small breath tube for measuring a unidirectional flow, to which the breath flow of a patient is inputted; a breath signal processing unit which generates a breath signal from the breath flow, removes the noise contained in the breath signal and amplifies the signal level so as to generate a target signal of analysis; a breath signal analysis unit for analyzing the target signal of analysis to calculate diagnosis parameters; and a display unit for displaying the analysis result of the breath signal.
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