Experimental investigation of frictional and viscoelastic properties of intestine for microendoscope application
作者： J.-S. Kim , I.-H. Sung , Y.-T. Kim , E.-Y. Kwon , D.-E. Kim
DOI: 10.1007/S11249-006-9073-0
关键词:
摘要: The information on the frictional resistance of a self-propelled robotic capsule endoscope moving inside body is very important for design and performance enhancement such parameters as power consumption, motion control positioning accuracy. Based this motivation, ultimate goal research was to develop an analytical model that can predict living body. In work, experimental investigations fundamental characteristics viscoelastic behaviors small intestine were performed by using custom-built testers various dummies. pig used experiments. Experimental results showed average force 10–50 mN higher speed dummy resulted in larger capsule. addition, friction coefficient did not change significantly with respect apparent area contact between intestine, also coefficients decreased increase normal load varied from 0.08 0.2. Such could be explained lubrication surface typical material. Also, based results, viscoelasticity stress relaxation derived.
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