Blood-pressure-waveform monitoring apparatus
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United States of America Patent
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-
Nov 11, 2003
Grant Date -
Oct 31, 2002
app pub date -
Dec 28, 2001
filing date -
Apr 27, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus for monitoring a blood-pressure waveform representing a blood pressure of a living subject, including a cuff which is around a portion of the subject, a blood-pressure determining device which determines a blood pressure of the subject based on a signal obtained while a pressure in the cuff is changed, a blood-pressure-waveform detecting device which continuously detects the blood-pressure waveform, a display device which displays the blood-pressure waveform, a cuff-using-blood-pressure-measurement starting device for operating, when a prescribed blood-pressure-measurement-starting condition is satisfied, the blood-pressure determining device to determine the blood pressure of the subject, a pulse-wave detecting device which is adapted to be worn on a portion of the subject that is not located on a downstream side of the portion around which the cuff is wound, an estimated-blood-pressure-waveform determining device for continuously determining, based on the pulse wave detected by the pulse-wave detecting device, a estimated blood-pressure waveform representing an estimated blood pressure of the subject, according to a predetermined relationship between blood-pressure waveform and pulse wave, and a waveform-displaying control device for operating, when the blood-pressure waveform is not abnormal, the display device to display the blood-pressure waveform, and operating, when the blood-pressure waveform is abnormal, the display device to display the estimated blood-pressure waveform.
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