In recent years, brain-computer interface (BCI) is expected to solve the physiological and psychological needs of patients with motor dysfunction with great individual differences. However, the classification method based on feature extraction requires a lot of prior knowledge when extracting data features and lacks a good measurement standard, which makes the development of BCI. In particular, the development of a multiclassification brain-computer interface is facing a bottleneck. To avoid the blindness and complexity of electroencephalogram (EEG) feature extraction, the deep learning method is applied to the automatic feature extraction of EEG signals. It is necessary to design a classification model with strong robustness and high accuracy for EEG signals. Based on the research and implementation of a BCI system based on a convolutional neural network, this article aims to design a brain-computer interface system that can automatically extract features of EEG signals and classify EEG signals accurately. It can avoid the blindness and time-consuming problems caused by the machine learning method based on feature extraction of EEG data due to the lack of a large amount of prior knowledge.
Ankle-joint sports injuries with poor rehabilitation results can seriously affect a patient’s quality of life. Nanobamboo charcoal has a strong adsorbability and disinfection effect. It has been used in ankle guards, but the effect of nanometer-sized bamboo charcoal has not been
reported thus far. In this study, 98 patients with an ankle-joint motor injury were divided into a Regular Group and Joint Group (49 cases, each) using the random number table method. The Regular Group received the conventional treatment, and the Joint Group received nano-bamboo charcoal ankle
guard combined with ankle-joint rehabilitation treatment. The analysis showed that ankle function, balance function, dorsiflexion range of motion, American Orthopedic Foot Ankle Society score, and total effective rate (91.84% vs. 73.47%) in the Joint Group were all higher than those in the
Regular Group, while the Visual Analog Scale and Clinical Symptom Score scores were all lower than those of the conventional group (P < 0.05). This indicates that a nano-bamboo charcoal ankle guard combined with ankle-joint rehabilitation treatment can effectively reduce pain and
improve ankle-joint balance, movement, dorsiflexion range of motion, and other functioning parameters of the patients, with a significant curative effect and high clinical application value.
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