Alignment‐Free Liquid‐Capsule Pressure Sensor for Cardiovascular Monitoring
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摘要Wearable pressure sensors enable long‐term real‐time health monitoring in a noninvasive and power‐efficient way; however, the sensors are often required to be precisely applied at the optimal measurement spot, e.g., nearby radial artery, for signal acquisition, causing inconvenience for untrained users or the elders. In this paper, a wearable liquid‐capsule sensor platform embedded with a piezo‐resistive pressure sensor is presented for continuous, accurate, and alignment‐relaxed physiological monitoring, i.e., heart rate (HR) and blood pressure (BP) tracking. The flexible capsule design ensures comfort and good device conformation to any skin regions. For HR and BP measurements, experiments are performed on 12 human subjects. The results show that the capsuled sensor can continuously track: 1) HR with a mean absolute difference (MAD) of 0.88 beats per minute (bpm) and 2) BP with a MAD<3 mmHg for both diastolic and systolic blood pressure. The new liquid‐capsule‐based sensor platform may help to realize an accurate, flexible, robust, and low‐power solution for next‐generation wearable health monitoring devices.
著者Xiangyu Fan, Yan Huang, Xiaorong Ding, Ningqi Luo, Chenglin Li, Ni Zhao, Shih‐Chi Chen
期刊名稱Advanced Functional Materials
出版年份2018
出版社Wiley
國際標準期刊號1616-301X
電子國際標準期刊號1616-3028
語言美式英語

上次更新時間 2020-16-09 於 03:33