A crawling and drilling microrobot driven by an external oscillating or precessional magnetic field in tubular environments

We propose a crawling and drilling microrobot actuated by an external precessional magnetic field (EPMF) to effectively unclog obstructed blood vessels. Conventional crawling microrobots can only generate crawling motions using an external oscillating magnetic field. The proposed microrobot can gene...

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Bibliographic Details
Published in:Journal of applied physics 2015-05, Vol.117 (17)
Main Authors: Kim, S. J., Jang, G. H., Jeon, S. M., Nam, J. K.
Format: Article
Language:English
Subjects:
Blood vessels
Drilling
Magnetic fields
Microrobots
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Summary:We propose a crawling and drilling microrobot actuated by an external precessional magnetic field (EPMF) to effectively unclog obstructed blood vessels. Conventional crawling microrobots can only generate crawling motions using an external oscillating magnetic field. The proposed microrobot can generate navigating (crawling) and drilling motions selectively or simultaneously by controlling the EPMFs. We prototyped the proposed microrobot, and conducted several experiments to verify the efficacy of the crawling and drilling ability of the microrobot in a tubular environment.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4906446