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Proceedings Paper

Manipulation of permanent magnetic polymer micro-robots: a new approach towards guided wireless capsule endoscopy
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Paper Abstract

We present the initial experimental results for manipulating micro-robots featuring permanent magnetic polymer magnets for guided wireless endoscopy applications. The magnetic polymers are fabricated by doping polydimethylsiloxane (PDMS) with permanent isotropic rare earth magnetic powder (MQFP 12-5) with an average particle size of 6 μm. The prepared magnetic nanocomposite polymer (M-NCP) is patterned in the desired shape against a plexiglass mold via soft lithography techniques. It is observed that the fabricated micro-robot magnets have a magnetic field strength of 50 mT and can easily be actuated by applying a field of 8.3 mT (field measured at the capsule’s position) and moved at a rate of 5 inches/second.

Paper Details

Date Published: 24 October 2012
PDF: 7 pages
Proc. SPIE 8548, Nanosystems in Engineering and Medicine, 85482I (24 October 2012); doi: 10.1117/12.979250
Show Author Affiliations
D. Hilbich, Simon Fraser Univ. (Canada)
A. Rahbar, Simon Fraser Univ. (Canada)
A. Khosla, Simon Fraser Univ. (Canada)
B. L. Gray, Simon Fraser Univ. (Canada)


Published in SPIE Proceedings Vol. 8548:
Nanosystems in Engineering and Medicine
Sang H. Choi; Jin-Ho Choy; Uhn Lee; Vijay K. Varadan, Editor(s)

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