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A Piezoresistive Sensor for Measuring tongue pressure

Chinese Journal of Electronics 2016年第1期25卷 77-80页

作者： WANG Shaojie FENG Yongjian CHEN Yifei ZHANG Rong HUANG Yuanqing Department of Mechanical and Electrical Engineering Xiamen University

Dysphagia is common after a cerebral vascular accident(or stroke), and it seriously affects the prognosis. Timely diagnosis in clinical, scientific assessment of dysphagia and correct treatment given to patients are essential. This study is aimed to develop a sensor for measuring tongue pressure during swallowing or other times,and to help doctors make a scientific assessment of dysphagia grade. It is a kind of miniaturization of piezoresistive pressure sensor with an outer diameter of 10 mm and a thickness of 3mm. A calibration and data acquisition ARM system is designed, which can continuously record tongue pressure in 8 hours. The sensor has a detection range from0 to 30 k Pa, and the measurement error can be controlled in 5%.

关键词： Piezoresistive Sensor tongue pressure Resistance strain chip

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Biting force and tongue muscle strength as useful indicators for eating and swallowing capability assessment among elderly patients

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Food Science and Human Wellness 2019年第2期8卷 149-155页

作者： Xinmiao Wang Gangying Zheng Mingsong Su Yanqiu Chen Hua Xie Weijia Han Qing Yang Jianqin Sun Jianshe Chen School of Food Science and Biotechnology Zhejiang Gongshang UniversityHangzhouZhejiang310018China Clinical Nutrition Center Huadong HospitalFudan UniversityShanghaiChina

Weakened capability of eating and swallowing is common among elderly population,affecting negatively on their health and *** work measured occlusal force and tongue muscle strength of elderly patients and then assessed whether correlations existed between oral physiological properties and the eating and swallowing capability.A total of 26 elderly patients with potential swallow disorder were recruited in this ***’denture status and daily diet texture were determined by a pre-questionnaire *** swallowing capability was assessed and rated by water drinking *** tongue pressure,incisor occlusal force and hand gripping force were measured for each *** was observed that participating subjects have on average a significantly lower biting force and maximum tongue pressure than that of normal *** swallowing grades assessed by water drinking test showed significant correlations with both the biting force(r=−0.498,Ptongue muscle strength(r=−0.544,Ptongue pressure and diet texture indicates that tongue muscle strength could be used as a reliable indicator of the eating and swallowing capability for elderly people.

关键词： Dysphagia Elderly Biting force tongue pressure Eating capability Swallowing Food texture Food oral processing

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tongue dysfunction in neurological and neuromuscular disorders: A narrative literature review

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World Journal of Otorhinolaryngology 2015年第2期5卷 58-64页

作者： George Umemoto Department of Oral and Maxillofacial Surgery Faculty of Medicine Fukuoka University

Evaluation of oral function is useful for tracking longitudinal changes in swallowing function. Using videofluoroscopic(VF) images, we can evaluate swallowing function, but it is extremely difficult to quantitatively evaluate the oral phase. Recently, several studies have tried to quantitatively assess tongue function by analyzing tongue movement on VF images, to measure tongue thickness by ultrasonography, and to measure tongue pressure as surrogate for tongue strength. In this review article,the current state of quantitative assessments of tongue function for identification and management of dysphagia in patients with neuromuscular and other neurological disorders(NNMD) has been outlined. Disturbed bolus transport in patients with NNMD has been quantitatively measured on VF images by analyzing tongue base movement and bolus transport from the mouth to the pharynx. Enlarged tongue in Duchenne muscular dystrophy patients were observed by measuring the transverse width of the tongue on ultrasound. tongue pressures that were measured using a handheld probe in NNMD patients were less than half of those in healthy subjects. More studies are needed to develop guidelines what types of tongue dysfunction give an indication of adjusting diet and introducing tube feeding to NNMD patients.

关键词： Videofluoroscopy Swallowing pressure tongue thickness tongue pressure Neuromuscular and other neurological disorders

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Continuous Gum Chewing Exercise Improves Perioral Muscle Strength

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Health 2024年第8期16卷 750-762页

作者： Mutsumi Takahashi Yogetsu Bando Takuya Fukui Department of Physiology The Nippon Dental University School of Life Dentistry at Niigata Niigata Japan Bando Dental Clinic Ishikawa Japan Department of Sport Science Kanazawa Gakuin University of Sport Science Ishikawa Japan Japan Gymnastics Association Trampoline Committee Tokyo Japan

Objective: The purpose of this study was to examine the effects of continuous gum chewing exercise on perioral muscle strength. Methods: Thirty healthy adults (24.1 ± 2.0 years) with normal occlusion performed gum chewing exercise 3 times daily for 3 months. Each exercise session lasted 5 min and involved alternating of chewing 10 times using the left molars and then 10 times using the right molars, with the mouth closed. The effect of the exercise on oral function was evaluated by measuring tongue pressure (TP), cheek pressure (CP), and labial closure strength (LCS) immediately before starting exercise, at 2 weeks and 1, 2, and 3 months after starting exercise, and at 3 months after cessation of exercise. Changes in TP, CP, and LCS according to sex and duration of exercise were analyzed by repeated two-way ANOVA. Results: Measurements for all muscles were significantly greater in men than in women at all time points. After starting exercise, TP was markedly increased at 2 months in men and women, and both CP and LCS were markedly increased at 2 weeks in men and at 1 month in women. These effects persisted for 3 months. Three months after cessation of exercise, TP, CP, and LCS tended to decrease, but were not significantly attenuated as compared with 3 months after beginning of exercise in either sex. Conclusion: The results of this study revealed that gum chewing exercise contributed to an improvement in perioral muscle strength, and that this effect was maintained for at least 3 months after discontinuation of exercise.

关键词： Oral Function Gum Chewing Exercise tongue pressure Cheek pressure Labial Closure Strength

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