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Zhenyu Li
School of Mechanical Engineering, Chonnam National University, Gwangju 61186, Korea

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Journal article
Published: 12 July 2021 in Actuators
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As wireless capsule endoscope (WCE) technology has advanced, various studies were published on WCEs with functional modules for the diagnosis and treatment of problems in the digestive system. However, when additional functional modules are added the physical size of the WCEs will increase, making them more difficult for patients to comfortably swallow. Moreover, there are limitations when it comes to adding multi-functional modules to the WCEs due to the size of the digestive tract itself. This article introduces a controllable modular capsule endoscope driven by an electromagnetic actuation (EMA) system. The modular capsules are divided into a driving capsule and a functional capsule. Capsules with different functions are swallowed in sequence and then recombination, transportation and separation functions are carried out under the control of the EMA system while in the stomach, this approach solves the size limitation issues faced by multi-functional capsule endoscopes. The recombination and separation functions make use of a characteristic of soft magnetic materials so that their magnetization direction can be changed easily. These functions are made possible by the addition of a soft magnet to the capsule together with the precise control of magnetic fields provided by the EMA system.

ACS Style

Zhenyu Li; Manh Hoang; Chang-Sei Kim; Eunpyo Choi; Doyeon Bang; Jong-Oh Park; Byungjeon Kang. Modular Capsules with Assembly and Separation Mechanism: Proof of Concept. Actuators 2021, 10, 159 .

AMA Style

Zhenyu Li, Manh Hoang, Chang-Sei Kim, Eunpyo Choi, Doyeon Bang, Jong-Oh Park, Byungjeon Kang. Modular Capsules with Assembly and Separation Mechanism: Proof of Concept. Actuators. 2021; 10 (7):159.

Chicago/Turabian Style

Zhenyu Li; Manh Hoang; Chang-Sei Kim; Eunpyo Choi; Doyeon Bang; Jong-Oh Park; Byungjeon Kang. 2021. "Modular Capsules with Assembly and Separation Mechanism: Proof of Concept." Actuators 10, no. 7: 159.