Title |
Experimental measurement on movement of spiral-type capsule endoscope
|
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Published in |
Medical Devices : Evidence and Research, January 2016
|
DOI | 10.2147/mder.s93168 |
Pubmed ID | |
Authors |
Wanan Yang, Houde Dai, Yong He, Fengqing Qin |
Abstract |
Wireless capsule endoscope achieved great success, however, the maneuvering of wireless capsule endoscope is challenging at present. A magnetic driving instrument, including two bar magnets, a stepper motor, a motor driver, a motor controller, and a power supplier, was developed to generate rotational magnetic fields. Permanent magnet ring, magnetized as S and N poles radially and mounted spiral structure on the surface, acted as a capsule. The maximum torque passing to the capsule, rotational synchronization of capsule and motor, and the translational speed of capsule, were measured in ex vivo porcine large intestine. The experimental results illustrate that the rotational movement of the spiral-type capsule in the intestine is feasible and the cost of the magnetic driving equipment is low. As a result, the solution is promising in the future controllability. |
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