Wearable hemodynamic sensor
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United States of America Patent
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Jun 30, 2020
Grant Date -
Dec 28, 2017
app pub date -
Jan 7, 2016
filing date -
Jan 8, 2015
priority date (Note) -
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Abstract
A wearable device and the accompanying method for the determination of continuous pulsatile BP are described. The absolute values can be obtained in the initial phase and how a transfer function can transform the BP-signal obtain at the finger or wrist to correct BP-values corresponding to the brachial artery and at heart level. The wearable device contains an orthostatic level-correcting element, which can measure the vertical distance between heart level and finger/wrist level, where the actual measurement takes places. The wearable device may be in the form of a ring, a watch, or a bracelet. Further, the wearable device has elements for wirelessly transmitting signals to host devices such as a smart phone, tablet or other computers.
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