Bionic artificial skin with a fully implantable wireless tactile sensory system for wound healing and restoring skin tactile function

Kyowon Kang, Seongryeol Ye, Chanho Jeong, Jinmo Jeong, Yeong-sinn Ye, Jin-Young Jeong, Yu-Jin Kim, Selin Lim, Tae Hee Kim, Kyung Yeun Kim, Jong Uk Kim, Gwan In Kim, Do Hoon Chun, Kiho Kim, Jaejin Park, Jung-Hoon Hong, Byeonghak Park, Kyubeen Kim, Sujin Jung, Kyeongrim Baek, Dongjun Cho, Jin Yoo, Kangwon Lee, Huanyu Cheng, Byung-Wook Min, Hyun Jae Kim, Hojeong Jeon, Hyunjung Yi (), Tae-il Kim (), Ki Jun Yu () and Youngmee Jung ()
Additional contact information
Kyowon Kang: Yonsei University
Seongryeol Ye: Korea Institute of Science and Technology (KIST)
Chanho Jeong: Sungkyunkwan University (SKKU)
Jinmo Jeong: Korea Institute of Science and Technology
Yeong-sinn Ye: Sungkyunkwan University (SKKU)
Jin-Young Jeong: Korea Institute of Science and Technology
Yu-Jin Kim: Korea Institute of Science and Technology (KIST)
Selin Lim: Yonsei University
Tae Hee Kim: Korea Institute of Science and Technology (KIST)
Kyung Yeun Kim: Korea Institute of Science and Technology
Jong Uk Kim: Northwestern University
Gwan In Kim: Yonsei University
Do Hoon Chun: Yonsei University
Kiho Kim: Yonsei University
Jaejin Park: Yonsei University
Jung-Hoon Hong: Yonsei University
Byeonghak Park: Stanford University
Kyubeen Kim: Yonsei University
Sujin Jung: Yonsei University
Kyeongrim Baek: Yonsei University
Dongjun Cho: Yonsei University
Jin Yoo: Korea Institute of Science and Technology (KIST)
Kangwon Lee: Seoul National University
Huanyu Cheng: The Pennsylvania State University
Byung-Wook Min: Yonsei University
Hyun Jae Kim: Yonsei University
Hojeong Jeon: Korea Institute of Science and Technology
Hyunjung Yi: Korea Institute of Science and Technology
Tae-il Kim: Sungkyunkwan University (SKKU)
Ki Jun Yu: Yonsei University
Youngmee Jung: Korea Institute of Science and Technology (KIST)

Nature Communications, 2024, vol. 15, issue 1, 1-15

Abstract: Abstract Tactile function is essential for human life as it enables us to recognize texture and respond to external stimuli, including potential threats with sharp objects that may result in punctures or lacerations. Severe skin damage caused by severe burns, skin cancer, chemical accidents, and industrial accidents damage the structure of the skin tissue as well as the nerve system, resulting in permanent tactile sensory dysfunction, which significantly impacts an individual’s daily life. Here, we introduce a fully-implantable wireless powered tactile sensory system embedded artificial skin (WTSA), with stable operation, to restore permanently damaged tactile function and promote wound healing for regenerating severely damaged skin. The fabricated WTSA facilitates (i) replacement of severely damaged tactile sensory with broad biocompatibility, (ii) promoting of skin wound healing and regeneration through collagen and fibrin-based artificial skin (CFAS), and (iii) minimization of foreign body reaction via hydrogel coating on neural interface electrodes. Furthermore, the WTSA shows a stable operation as a sensory system as evidenced by the quantitative analysis of leg movement angle and electromyogram (EMG) signals in response to varying intensities of applied pressures.

Date: 2024
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DOI: 10.1038/s41467-023-44064-7

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