journal article·2023-03-28

High-Precision Wearable Displacement Sensing System for Clinical Diagnosis of Anterior Cruciate Ligament Tears

Lanxin Yang, Chengyu Li, Wenhao Lu, Jie An, Di Liu, Jianzhe Luo, Yusheng Li, Zhong Lin Wang, Wei Tang, Bo Meng

ACS Nano· Volume 17· Issue 6
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Abstract

An anterior cruciate ligament (ACL) tear is a common musculoskeletal injury with a high incidence. Traditional diagnosis employs magnetic response imaging (MRI), physical testing, or other clinical examination, which relies on complex and expensive medical instruments, or individual doctoral experience. Herein, we propose a wearable displacement sensing system based on a grating-structured triboelectric stretch sensor to diagnose the ACL injuries. The stretch sensor exhibits a high resolution (0.2 mm) and outstanding robustness (over 1,000,000 continuous operation cycles). This system is employed in clinical trial to diagnose ACL injuries. It measures the displacement difference between the affected leg and the healthy leg during Lachman test. And when such a difference is greater than 3 mm, the ACL is considered to be at risk for injury or tear. Compared with the gold standard of arthroscopy, the consistency rate of this wearable diagnostic system reached about 85.7%, which is higher than that of the Kneelax3 arthrometer (78.6%) with a large volume. This shows that the wearable system possesses the feasibility to supplement and improve existing arthrometers for facile diagnosing ACL injuries. It may take a promising step for wearable healthcare.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Advanced Sensor and Energy Harvesting Materials · Advanced Fiber Optic Sensors · Adhesion, Friction, and Surface Interactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

CAS Center for Excellence in Nanoscience, Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, Beijing 100083, China

School of Nanoscience and Technology, University of Chinese Academy of Sciences, Beijing 100049, China

Department of Orthopedics Xiangya Hospital, Central South University, Changsha 410008, China

National Clinical Research Center for Geriatric Disorders Xiangya Hospital, Central South University, Changsha 410008, China

Institute of Applied Nanotechnology, Jiaxing, Zhejiang 314031, China

CUSPEA Institute of Technology, Wenzhou, Zhejiang 325024, China

School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, United States

Funding

Science, Technology and Innovation Commission of Shenzhen Municipality · National Natural Science Foundation of China · Natural Science Foundation of Guangdong Province

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