Fetus electrocardiogram signal measuring method and its device
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United States of America Patent
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Dec 25, 2012
Grant Date -
Mar 25, 2010
app pub date -
Jan 22, 2008
filing date -
Jan 23, 2007
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section.
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Family
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