Fabrication of Magnetic Actuator for Use in a Capsule Endoscope

M. Sendoh, K. Ishiyama, K. I. Arai

研究成果: Article査読

178 被引用数 (Scopus)


In this paper, the authors propose applying a magnetic actuator to a capsule endoscope. Capsule-shaped magnetic actuators were fabricated and in vitro tests were examined. The magnetic actuator was composed of a capsule dummy, a permanent magnet inside the capsule, and a spiral structure. The actuator was rotated and propelled wirelessly by applying an external rotational magnetic field. It was demonstrated that the actuator with 1-mm height spiral could move at 5 mm/s. In addition, the torque required to start rotation was measured. The actuator has great potential for wireless operation of the capsule endoscope.

ジャーナルIEEE Transactions on Magnetics
5 II
出版ステータスPublished - 2003 9 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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