Battery-free, wireless soft sensors for continuous multi-site measurements of pressure and temperature from patients at risk for pressure injuries

Yong Suk Oh, Jae-Hwan Kim, Zhaoqian Xie, Seokjoo Cho, Hyeonseok Han, Sung Woo Jeon, Minsu Park, Myeong Namkoong, Raudel Avila, Zhen Song, Sung-Uk Lee, Kabseok Ko, Jungyup Lee, Je-Sang Lee, Weon Gi Min, Byeong-Ju Lee, Myungwoo Choi, Ha Uk Chung, Jongwon Kim, Mengdi Han, Jahyun Koo, Yeon Sik Choi, Sung Soo Kwak, Sung Bong Kim, Jeonghyun Kim, Jungil Choi, Chang-Mo Kang, Jong Uk Kim, Kyeongha Kwon, Sang Min Won, Janice Mihyun Baek, Yujin Lee, So Young Kim, Wei Lu, Abraham Vazquez-Guardado, Hyoyoung Jeong, Hanjun Ryu, Geumbee Lee, Kyuyoung Kim, Seunghwan Kim, Min Seong Kim, Jungrak Choi, Dong Yun Choi, Quansan Yang, Hangbo Zhao, Wubin Bai, Hokyung Jang, Yongjoon Yu, Jaeman Lim, Xu Guo, Bong Hoon Kim, Seokwoo Jeon, Charles Davies, Anthony Banks, Hyung Jin Sung, Yonggang Huang (), Inkyu Park () and John A. Rogers ()
Additional contact information
Yong Suk Oh: Northwestern University
Jae-Hwan Kim: University of Illinois at Urbana–Champaign
Zhaoqian Xie: Dalian University of Technology
Seokjoo Cho: Korea Advanced Institute of Science and Technology
Hyeonseok Han: Korea Advanced Institute of Science and Technology
Sung Woo Jeon: University of Illinois at Urbana–Champaign
Minsu Park: Northwestern University
Myeong Namkoong: Texas A&M University
Raudel Avila: Northwestern University
Zhen Song: Dalian University of Technology
Sung-Uk Lee: Korea Atomic Energy Research Institute
Kabseok Ko: Qualcomm Institute
Jungyup Lee: Sibel Health Inc
Je-Sang Lee: Gimhae Hansol Rehabilitation & Convalescent Hospital
Weon Gi Min: Gimhae Hansol Rehabilitation & Convalescent Hospital
Byeong-Ju Lee: Pusan national university hospital
Myungwoo Choi: Korea Advanced Institute of Science and Technology
Ha Uk Chung: Sibel Health Inc
Jongwon Kim: Sibel Health Inc
Mengdi Han: Peking University
Jahyun Koo: Korea University
Yeon Sik Choi: Northwestern University
Sung Soo Kwak: Northwestern University
Sung Bong Kim: University of Illinois at Urbana Champaign
Jeonghyun Kim: Kwangwoon University
Jungil Choi: Kookmin University
Chang-Mo Kang: Northwestern University
Jong Uk Kim: Northwestern University
Kyeongha Kwon: Korea Advanced Institute of Science and Technology
Sang Min Won: Sungkyunkwan University
Janice Mihyun Baek: University of Illinois at Urbana Champaign
Yujin Lee: University of Illinois at Urbana Champaign
So Young Kim: University of Illinois at Urbana Champaign
Wei Lu: Northwestern University
Abraham Vazquez-Guardado: Northwestern University
Hyoyoung Jeong: Northwestern University
Hanjun Ryu: Northwestern University
Geumbee Lee: Northwestern University
Kyuyoung Kim: Korea Advanced Institute of Science and Technology
Seunghwan Kim: Korea Advanced Institute of Science and Technology
Min Seong Kim: Korea Advanced Institute of Science and Technology
Jungrak Choi: Korea Advanced Institute of Science and Technology
Dong Yun Choi: Korea Institute of Industrial Technology (KITECH)
Quansan Yang: Northwestern University
Hangbo Zhao: University of Southern California
Wubin Bai: University of North Carolina at Chapel Hill
Hokyung Jang: University of Wisconsin-Madison
Yongjoon Yu: NeuroLux, Inc
Jaeman Lim: Northwestern University
Xu Guo: Dalian University of Technology
Bong Hoon Kim: Soongsil University
Seokwoo Jeon: Korea Advanced Institute of Science and Technology
Charles Davies: Carle, Physician Group
Anthony Banks: Northwestern University
Hyung Jin Sung: Korea Advanced Institute of Science and Technology
Yonggang Huang: Northwestern University
Inkyu Park: Korea Advanced Institute of Science and Technology
John A. Rogers: Northwestern University

Nature Communications, 2021, vol. 12, issue 1, 1-16

Abstract: Abstract Capabilities for continuous monitoring of pressures and temperatures at critical skin interfaces can help to guide care strategies that minimize the potential for pressure injuries in hospitalized patients or in individuals confined to the bed. This paper introduces a soft, skin-mountable class of sensor system for this purpose. The design includes a pressure-responsive element based on membrane deflection and a battery-free, wireless mode of operation capable of multi-site measurements at strategic locations across the body. Such devices yield continuous, simultaneous readings of pressure and temperature in a sequential readout scheme from a pair of primary antennas mounted under the bedding and connected to a wireless reader and a multiplexer located at the bedside. Experimental evaluation of the sensor and the complete system includes benchtop measurements and numerical simulations of the key features. Clinical trials involving two hemiplegic patients and a tetraplegic patient demonstrate the feasibility, functionality and long-term stability of this technology in operating hospital settings.

Date: 2021
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DOI: 10.1038/s41467-021-25324-w

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