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Theses/Dissertations

Mechanical Engineering Graduate Theses & Dissertations

Capsule endoscopy

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Evaluation Of Small Bowel Lumen Friction Forces For Applications In In Vivo Robotic Capsule Endoscopy, Allison B. Lyle Jan 2012

Evaluation Of Small Bowel Lumen Friction Forces For Applications In In Vivo Robotic Capsule Endoscopy, Allison B. Lyle

Mechanical Engineering Graduate Theses & Dissertations

To optimize the design of a robotic capsule endoscope (RCE) capable of exploring and delivering targeted medical therapy to the gastrointestinal tract, it is necessary to quantify the mechanical properties of the aforementioned environment. This research aims to empirically determine a coefficient of friction (COF) between the small bowel lumen and several potential RCE materials and to study how the friction response varies with velocity and contact area along the length of the bowel, specifically when eliminating edge effects from the testing coupon (sled).

To obtain friction force measurements, a novel tribometer was designed and experiments were conducted to measure ...