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Please use this identifier to cite or link to this item: http://hdl.handle.net/10525/1102

Title: On the Feasibility of Steering Swallowable Microsystem Capsules Using Computer-Aided Magnetic Levitation
Authors: Wu, Billy
Mintchev, Martin
Keywords: Computer-Aided Magnetic Levitation
Capsule Endoscopy
Real-Time Image Transmission
Computer-Aided Engineering
Issue Date: 2008
Publisher: Institute of Information Theories and Applications FOI ITHEA
Abstract: Swallowable capsule endoscopy is used for non-invasive diagnosis of some gastrointestinal (GI) organs. However, control over the position of the capsule is a major unresolved issue. This study presents a design for steering the capsule based on magnetic levitation. The levitation is stabilized with the aid of a computer-aided feedback control system and diamagnetism. Peristaltic and gravitational forces to be overcome were calculated. A levitation setup was built to analyze the feasibility of using Hall Effect sensors to locate the in- vivo capsule. CAD software Maxwell 3D (Ansoft, Pittsburgh, PA) was used to determine the dimensions of the resistive electromagnets required for levitation and the feasibility of building them was examined. Comparison based on design complexity was made between positioning the patient supinely and upright.
URI: http://hdl.handle.net/10525/1102
ISSN: 1313-0455
Appears in Collections:Book 5 Intelligent Technologies and Applications

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