Self‐Powered Real‐Time Arterial Pulse Monitoring Using Ultrathin Epidermal Piezoelectric Sensors
By Dae Yong Park, D. Joe, Dong Hyun Kim, Hyewon Park, J. Han, Chang Kyu Jeong, Hyelim Park, Jung Gyu Park, Boyoung Joung, Keon Jae Lee. Advances in Materials, 2017
600 citations recorded by the source corpus.
Continuous monitoring of an arterial pulse using a pressure sensor attached on the epidermis is an important technology for detecting the early onset of cardiovascular disease and assessing personal health status. Conventional pulse sensors have the capability of detecting human biosignals, but have significant drawbacks of power consumption issues that limit sustainable operation of wearable medical devices. Here, a self‐powered piezoelectric pulse sensor is demonstrated to enable in vivo measurement of radial/carotid pulse signals in near‐surface arteries. The inorganic piezoelectric sensor on an ultrathin plastic achieves conformal contact with the complex texture of the rugged skin, which allows to respond to the tiny pulse changes arising on the surface of epidermis. Experimental studies provide characteristics of the sensor with a sensitivity (≈0.018 kPa−1), response time (≈60 ms), and good mechanical stability. Wireless transmission of detected arterial pressure signals to a smart phone demonstrates the possibility of self‐powered and real‐time pulse monitoring system.
Subfields: Biomedical Engineering, Cognitive Neuroscience
View Paper: https://www.semanticscholar.org/paper/8aad6696c2babc4099c5994da17175d80974c064
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In Biomedical Engineering
Citations in the corpus
- Evolution of Wearable Devices with Real-Time Disease Monitoring for Personalized Healthcare (2019, background): “present a self-powered, flexible piezoelectric pulse sensor based on high-quality lead zirconate titanate (PZT) thin film for a real-time arterial pulse monitoring system [64].”
- A review of flexible perovskite oxide ferroelectric films and their application (2020, background): “The kinds of mechanical sources that stimulate electrical signal generating [84,85] can be vibration, pressure, stretch [86,87] or even acoustic waves [88,89], succeeding in versatile small-scale flexible sensors in a wealth kinds of operating environment for general and special adhibitions [84,85].”