subject: Blood Pressure Monitor System [print this page] A blood pressure monitor manufacturers system, including a pulse wave detecting device detecting a pulse wave produced from an artery of a living subject, a blood pressure measuring device including a pressing device, for measuring a blood pressure of the subject by pressing a body portion of the subject with the pressing device, a relationship determining device determining a relationship between blood pressure and pulse wave magnitude, based on a pulse wave magnitude detected by the pulse wave detecting device and a blood pressure value measured by the blood pressure measuring device, a blood pressure monitor manufacturers device continuously determining, according to the relationship, blood pressure values of the subject based on magnitudes of the pulse wave detected by the pulse wave detecting device, the relationship determining device updating the relationship at intervals of time, based on blood pressure values measured by the blood pressure measuring device, a blood pressure variation determining device determining a variation of the blood pressure of the subject, based on at least two of the magnitudes of the pulse wave detected by the pulse wave detecting device, and an update-interval changing device changing the interval of updating based on the blood pressure maonitor manufacturers variation determined by the blood pressure variation determining device.
The blood pressure monitor manufacturers system as set forth in claim 1, wherein said blood pressure variation determining means determines (a) as a first variation of the blood pressure of said subject an absolute value of a difference between a maximum magnitude of each of said pulses of the pulse wave detected by said pulse wave detecting means and a maximum magnitude of a first prior one of said pulses detected a first predetermined time before said each pulse, determines (b) as a second variation of the blood pressure monitor manufacturers an absolute value of a difference between said maximum magnitude of said each pulse and a maximum magnitude of a second prior one of said pulses detected a second predetermined time before said each pulse, said second predetermined time being shorter than said first predetermined time, determines (c) as a third variation of the blood pressure an absolute value of a difference between an amplitude of said each pulse and an amplitude of said first prior one pulse, and determines (d) as a fourth variation of the blood pressure monitor manufacturers an absolute value of a difference between said amplitude of said each pulse and an amplitude of said second prior one pulse
The blood pressure monitor manufacturers system as set forth in claim 1, wherein said blood pressure variation determining means determines, as a first variation of the blood pressure of said subject, an absolute value of a difference between an amplitude of each of said pulses of the pulse wave detected by said pulse wave detecting means and an amplitude of a first prior one of said pulses detected a first predetermined time before said each pulse, and determines, as a second variation of the blood pressure monitor manufacturers, an absolute value of a difference between said amplitude of said each pulse and an amplitude of a second prior one of said pulses detected a second predetermined time before said each pulse, said second predetermined time being shorter than said first predetermined time,
