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    • 3. 发明申请
    • BLOOD PRESSURE MEASUREMENT SYSTEM
    • 血压测量系统
    • WO2012027613A1
    • 2012-03-01
    • PCT/US2011/049225
    • 2011-08-25
    • MASIMO CORPORATIONLAMEGO, MarceloKIANI, Massi Joe E.LAM, KenDALVI, CristianoVO, Hung
    • LAMEGO, MarceloKIANI, Massi Joe E.LAM, KenDALVI, CristianoVO, Hung
    • A61B5/1455A61B5/022A61B5/021
    • A61B5/1455A61B5/021A61B5/022A61B5/14532A61B5/721
    • A blood pressure measurement system that non-invasively determines an individual's blood pressure can include a noninvasive blood pressure sensor having an optical sensor and a motion sensor. The optical sensor can provide a photoplethysmograph signal obtained from a patient to a processor. The motion sensor can provide a motion signal to the processor responsive to motion of the patient. In one embodiment, the processor calculates or estimates the blood pressure of the patient based on the photoplethysmograph signal and the motion signal. Advantageously, the system can obtain this blood pressure measurement without an occlusive cuff, thereby reducing patient discomfort. In other implementations, the processor calculates a blood pressure-related parameter from the photoplethysmograph and motion signal. The processor can occasionally trigger an occlusive cuff measurement as this parameter changes, thereby reducing the frequency of occlusive cuff measurements.
    • 非侵入性地确定个人血压的血压测量系统可以包括具有光学传感器和运动传感器的无创血压传感器。 光学传感器可以提供从患者获得的光电体积描记器信号到处理器。 运动传感器可以响应于患者的运动而向处理器提供运动信号。 在一个实施例中,处理器基于光电容积描记器信号和运动信号来计算或估计患者的血压。 有利地,该系统可以在没有闭塞的袖带的情况下获得该血压测量,从而减少患者的不适。 在其他实施方式中,处理器根据光电体积描记器和运动信号计算血压相关参数。 随着该参数的变化,处理器可以偶尔触发闭塞袖带测量,从而降低闭塞袖带测量的频率。