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http://dx.doi.org/10.5369/JSST.2008.17.1.001

Relationship between electrical stimulus strength and contraction force from the inside of small intestine  

Woo, S.H. (School of Electronic Engineering and Computer Science, Kyungpook National University)
Kim, T.W. (College of Veterinary Medicine Dept. of physiology, Kynugpook National University)
Lee, J.H. (Dept. of Medical Informatics, School of Medicine, Keimyung University)
Park, H.J. (Dept. of Medical Informatics, School of Medicine, Keimyung University)
Moon, Y.K. (School of Electronic Engineering and Computer Science, Kyungpook National University)
Won, C.H. (Dept. of Computer Control & Electrical Engineering, Kyungil University)
Lee, S.H. (Dept. of Biomedical Engineering, Dankook University)
Park, I.Y. (Advanced Research Center for Recovery of Human Sensibility, Kyungpook National University)
Cho, Jin-Ho (School of Electronic Engineering and Computer Science, Kyungpook National University)
Publication Information
Journal of Sensor Science and Technology / v.17, no.1, 2008 , pp. 1-8 More about this Journal
Abstract
Recently, capsule endoscope was developed to observe small intestine in human body. However, the capsule does not have any locomotive ability, which reduces the benefit of the capsule endoscope. Many researches have done to give locomotion to the capsule, still it consumes too much power to generate the motion by small battery. One of the moving method is electrical stimulus that consumes less power than many methods. The electrical stimulus method causes contraction in the small intestine, and it moves the capsule. Some of papers showed it is possible to guide the capsule by electrical stimulus, however the relationship between electrical stimulus at the mucous and contraction force in the small intestine is not reported, yet. In this paper, the mucous in the small intestine was stimulated, and measured the contraction force in the small intestine is shown. The result shows, the relationship between electrical stimulus parameters (voltage, duration) and contraction force. Also, equation between electrical stimulus parameters and contraction force is roughly induced.
Keywords
electrical stimulus capsule; stimuli pattern; capsule endoscopes;
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