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New Method of Moving Control for Wireless Endoscopic Capsule Using Electrical Stimuli

Hee-Joon PARK, Jyung-Hyun LEE, Yeon-Kwan MOON, Young-Ho YOON, Chul-Ho WON, Hyun-Chul CHOI, Jin-Ho CHO

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Summary :

In order to control the moving speed of an endoscopic capsule in the human intestine, electrical stimulation method is proposed in this paper. The miniaturized endoscopic capsule with the function of various electrical stimulations has been designed and implemented. An in-vivo animal experiment has been performed to show the ability of controlling the movement speed of the endoscopic capsule according to the level of electrical stimulation. In-vivo experiments were performed by inserting the implemented capsule into a pig's intestinal tract. From the experimental results, the activation of peristaltic movement and the relationship between the moving speed of capsule and the stimulation amplitude could be found. It is shown that the moving speed of capsule in the intestine can be controlled by adjustment of the stimulation level applied in the capsule electrodes. The results of the in-vivo experiment verify that the degree of contraction in the intestinal tract is closely related with the level of stimulating electrical voltage, suggesting that the moving speed of capsule in the human gastrointestinal tract can be controlled by externally adjusting the amplitude of stimulating pulse signal.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E88-A No.6 pp.1476-1480
Publication Date
2005/06/01
Publicized
Online ISSN
DOI
10.1093/ietfec/e88-a.6.1476
Type of Manuscript
Special Section PAPER (Special Section on Papers Selected from 2004 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC 2004))
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