Wireless, multimodal sensors for continuous measurement of pressure, temperature, and hydration of patients in wheelchair
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Published:2023-02-10
Issue:1
Volume:7
Page:
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ISSN:2397-4621
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Container-title:npj Flexible Electronics
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language:en
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Short-container-title:npj Flex Electron
Author:
Cho Seokjoo, Han Hyeonseok, Park Hyunwoo, Lee Sung-Uk, Kim Jae-Hwan, Jeon Sung Woo, Wang Mengqiu, Avila Raudel, Xi ZhaoqianORCID, Ko Kabseok, Park Minsu, Lee Jungyup, Choi Myungwoo, Lee Je-Sang, Min Weon Gi, Lee Byeong-Ju, Lee Soyeong, Choi Jungrak, Gu Jimin, Park Jaeho, Kim Min Seong, Ahn JunseongORCID, Gul Osman, Han Chankyu, Lee Gihun, Kim Seunghwan, Kim Kyuyoung, Kim Jeonghyun, Kang Chang-Mo, Koo JahyunORCID, Kwak Sung Soo, Kim Sungbong, Choi Dong Yun, Jeon Seokwoo, Sung Hyung Jin, Park Yong Bae, Je Minkyu, Cho Young Tae, Oh Yong SukORCID, Park InkyuORCID
Abstract
AbstractIndividuals who are unable to walk independently spend most of the day in a wheelchair. This population is at high risk for developing pressure injuries caused by sitting. However, early diagnosis and prevention of these injuries still remain challenging. Herein, we introduce battery-free, wireless, multimodal sensors and a movable system for continuous measurement of pressure, temperature, and hydration at skin interfaces. The device design includes a crack-activated pressure sensor with nanoscale encapsulations for enhanced sensitivity, a temperature sensor for measuring skin temperature, and a galvanic skin response sensor for measuring skin hydration levels. The movable system enables power harvesting, and data communication to multiple wireless devices mounted at skin-cushion interfaces of wheelchair users over full body coverage. Experimental evaluations and numerical simulations of the devices, together with clinical trials for wheelchair patients, demonstrate the feasibility and stability of the sensor system for preventing pressure injuries caused by sitting.
Funder
Ministry of Trade, Industry and Energy National Research Foundation of Korea MSIT(Ministry of Science and ICT), Korea
Publisher
Springer Science and Business Media LLC
Subject
Electrical and Electronic Engineering,General Materials Science
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