University of Florida Research Foundation, Inc.;XHALE ASSURANCE, INC.
发明人:
Richard J. Melker,Sean Cohen
申请号：
US16867071
公开号：
US20200268262A1
申请日:
2020.05.05
申请国别(地区):
US
年份:
2020
代理人:
摘要：
Provided according to embodiments of the invention are methods of monitoring the direction of blood flow that include processing with a computer photoplethysmography (PPG) signal streams from a sensor array on a body site of the individual to determine the direction and/or velocity of the blood flow at the body site of the individual. In some embodiments, direction of the blood flow at the body site is determined by the phase difference between at least three PPG signal streams from the sensor array, wherein the at least three PPG signal streams are generated from emissions of the at least three emitters.
