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A METHOD FOR CALIBRATING A BLOOD PRESSURE MONITOR, AND A WEARABLE DEVICE THEREOF
A METHOD FOR CALIBRATING A BLOOD PRESSURE MONITOR, AND A WEARABLE DEVICE THEREOF
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机译：一种校准血压监测器的方法及其可穿戴设备
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摘要
Methods and related devices (100) for obtaining the blood pressure of a person (300) in two different ways. The first way comprising steps of providing a light source (101), and an optical sensor （103） configured to detect light from the light source （101） which has propagated through the wrist of a wearer of such a device (100). The amount of light propagating through the wrist depends on the amount of blood in the wrist. Blood pressure is then observed by monitoring the difference in the amplitude of blood pulsation within the wrist when the wrist is lifted above heart level, and when the wrist is lowered below heart level. The second way comprising mathematically analysing light transmission signals though a body part of the same person (300). Blood pressure readings obtained by the first way are used to calibrate blood pressure readings by the second way.
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