Automatically configurable minute ventilation sensor
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United States of America Patent
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Sep 18, 2007
Grant Date -
Sep 23, 2004
app pub date -
Dec 12, 2003
filing date -
Dec 30, 2002
priority date (Note) -
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Abstract
A minute ventilation sensing device in which transthoracic impedance is measured with voltage sense electrodes during injection of current by excitation current electrodes. The device is capable of operating with different configurations of voltage sense and excitation current electrodes. By computing a signal and/or noise level for a number of available configurations, the electrodes resulting in the highest signal-to-noise ratio may be selected for use by the device.
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