Circulation-condition monitoring apparatus
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United States of America Patent
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Dec 10, 2002
Issued Date -
N/A
app pub date -
Mar 20, 2001
filing date -
Jun 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blood-circulation monitor including a heartbeat-synchronous-wave sensor, a first judging device for judging whether an arrhythmia has occurred to a living subject, based on a heartbeat-synchronous wave detected by the sensor, a first determining device including a cuff and determining a first blood pressure of the subject based on a first pulse wave produced in the cuff, an information obtaining device for iteratively obtaining a piece of blood-pressure-relating information which changes in relation with blood pressure of the subject, a relationship determining device for determining a relationship between blood pressure and blood-pressure-relating information, a second determining device for iteratively determining, according to the relationship, a second blood pressure of the subject based on each of the pieces of blood-pressure-relating information, a calculating device for calculating a change value of the second blood pressure values, and a second judging device for judging that the condition of blood circulation of the subject is abnormal, when the first judging device judges that the arrhythmia has occurred to the subject and when the change value does not fall within a reference range.
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