Development of magnetically driven multifunctional connection modules suitable for next generation capsule endoscope

2021 Fiscal Year Final Research Report

• Project/Area Number: 19K04353
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 21010:Power engineering-related
• Research Institution: Kyushu Institute of Technology
• Principal Investigator: Honda Takashi 九州工業大学, 大学院工学研究院, 教授 (70295004)
• Project Period (FY): 2019-04-01 – 2022-03-31
• Keywords: カプセル内視鏡 / 永久磁石 / 磁気アクチュエータ / 細胞診 / 生検 / 穿刺 / ワイヤレス駆動

Outline of Final Research Achievements

In this study, magnetically driven multifunctional modules for connecting to an existing capsule endoscope were proposed with the aim of realizing a next-generation capsule endoscope with diagnostic and therapeutic functions. The modules have a built-in actuator including a permanent magnet and can be wirelessly driven by external magnetic fields. In addition to the main functions of cytopathology, biopsy, and puncture injection, this research attempted to provide the function of staying in the small intestine and the function of alignment. As a result of the drive test in an environment close to the actual environment, the desired operation was confirmed and the effectiveness of the proposed method was demonstrated.

Free Research Field

磁気応用

Academic Significance and Societal Importance of the Research Achievements

カプセル内に組み込んだ磁気アクチュエータを外部磁界でワイヤレス駆動する手法は、単一の機能であれば技術的には難しくなく、すでに多くの文献で有用性が示されている。一方、本研究で実施したような複数機能を外部磁界だけで制御した報告は皆無であり、本研究の提案手法は診断・治療を行うカプセル内視鏡の実現に大きく貢献すると期待される。また、より小型で体内に埋め込む医療機器の多機能化にも有用な技術であり、ミクロの決死圏のようなインプランタブルデバイスへとつながる基本技術になると期待される。