Electronic blood pressure monitor

Details Electronic blood pressure monitor Electronic blood pressure monitor

2006-01-17

2006-01-17

Hindenburg, Max F. (Department: 3736)

Surgery

Diagnostic testing

Cardiovascular

C600S485000, C600S500000

Reexamination Certificate

active

06986743

ABSTRACT:
At the time of measuring a blood pressure, when an MPU controls a pressure in a cuff, detects a pulse wave generated due to pressurizing of a cuff pressure via a band-pass filter or the like, calculates a wave feature value of the detected pulse wave and calculates the blood pressure so as to output it using the calculated wave feature value, the MPU detects the pulse wave in a range of the cuff pressure where the pule wave can be detected. Therefore, since a blood pressure measuring process constituted of detection of the pulse wave, calculation of the wave feature value and calculation of the blood pressure is executed within the range of the cuff pressure where the pulse wave can be detected, the process is prevented from being executed within a range where the pulse wave cannot be detected, thereby measuring the blood pressure with good accuracy.

REFERENCES:
patent: 4009709 (1977-03-01), Link et al.
patent: 4712563 (1987-12-01), Link
patent: 5156158 (1992-10-01), Shirasaki
patent: 6805670 (2004-10-01), Shirasaki
patent: 2002-53671 (2002-02-01), None

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