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

• DOI: 10.1038/s41467-021-25324-w
• Publication Date: 2021-08-24T10:05:20Z
• Authors: 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-G...; 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; John A. Rogers
• Keywords: Continuous monitoring

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