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Research development in real-scale model of antenna with high precision for Radio-wave-type endoscope

Research Project

Project/Area Number 18K04147
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 21020:Communication and network engineering-related
Research InstitutionNagasaki University

Principal Investigator

Fujimoto Takafumi  長崎大学, 工学研究科, 准教授 (40264204)

Co-Investigator(Kenkyū-buntansha) 田中 俊幸  長崎大学, 工学研究科, 教授 (50202172)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords電波型内視鏡 / アンテナ / 医療応用 / 血管検知 / ファントム / 内視鏡 / 血管検出 / 平面アンテナ / 合成開口処理 / 腹腔鏡
Outline of Final Research Achievements

The aim of this study is the development of an endoscope that can project an image of a blood vessel using radio waves in real time. In this study, the following results were obtained. By the measurement, it was confirmed that the blood vessel of 4mm diameter can be detected at a distance of 4mm from the top surface of the fatty tissue by the approach that combined the proposed antenna sensor with the proposed difference signal processing method. In the prototype of phantom, the permittivity of the fat and the dielectric tangent of the blood vessel agree with the theoretical values. However, the others are lower than the theoretical ones. The ratio of the components of the phantom has to be examined as our future works. In high-precision of the antenna, the wideband-antenna can detect the blood vessel at the deeper position compared with the narrow band antenna.

Academic Significance and Societal Importance of the Research Achievements

これまでに脂肪中に隠れた血管をリアルタイムで投影可能な内視鏡の研究,開発は世界的に見ても例はない.本課題は電波の医療応用としての学術的意義がある.
内視鏡手術は,切開される腹胸部が非常に小さいため,開腹手術に比べ患者にとって体への負担が非常に小さい. しかし脂肪に隠れた血管走行異常が手術の危険性を高めると言った大きな問題がある.本研究で開発を行う電波型内視鏡は,血管の位置情報を術中に得ることができ,飛躍的に内視鏡手術の安全性が高められる.本課題は医療分野の発展に大きく貢献するものである.

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (12 results)

All 2022 2021 2019 2018

All Journal Article (3 results) (of which Peer Reviewed: 1 results) Presentation (9 results) (of which Int'l Joint Research: 2 results)

  • [Journal Article] 電波型内視鏡アンテナシステムの実験的検証2022

    • Author(s)
      上戸新也,藤本孝文,グアンチャイユー,米満俊介,田中俊幸
    • Journal Title

      映像情報メディア学会技術報告

      Volume: 46 Pages: 2124-2124

    • Related Report
      2021 Annual Research Report
  • [Journal Article] Vivaldi Antenna for Radio-wave-type Endoscope2021

    • Author(s)
      Fujimoto Takafumi、Sasano Manaki、Kamito Shinya、Guan Chai-Eu
    • Journal Title

      Proceedings of IEEE Conference on Antenna Measurements & Applications

      Volume: - Pages: 89-89

    • DOI

      10.1109/cama49227.2021.9703484

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 電波型内視鏡アンテナシステムに関する研究2019

    • Author(s)
      川島慶也、藤本孝文、堀口元貴、田中俊幸
    • Journal Title

      映像情報メディア学会技術報告

      Volume: 43 Pages: 47-50

    • NAID

      130007787976

    • Related Report
      2018 Research-status Report
  • [Presentation] 電波型内視鏡アンテナシステムの実験的検証2022

    • Author(s)
      上戸新也, 藤本孝文, グアンチャイユー, 米満俊介, 田中俊幸
    • Organizer
      映像情報メディア学会放送技術研究会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Vivaldi Antenna for Radio-wave-type Endoscope2021

    • Author(s)
      Fujimoto Takafumi、Sasano Manaki、Kamito Shinya、Guan Chai-Eu
    • Organizer
      IEEE Conference on Antenna Measurements & Applications
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 等倍スケールモデルにおける電波型内視鏡アンテナの測定に関する検討2021

    • Author(s)
      上戸新也, 藤本孝文, グアンチャイユー, 米満俊介, 田中俊幸
    • Organizer
      電子情報通信学会学生会講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] ビバルディアンテナを用いた電波型内視鏡の検討2021

    • Author(s)
      笹野愛基, 藤本孝文, グアンチャイユー, 田中俊幸
    • Organizer
      電子情報通信学会学生会講演会
    • Related Report
      2021 Annual Research Report
  • [Presentation] Antenna Sensor for Radio-Wave Type Endoscope in Actual Scale Model2021

    • Author(s)
      Shinya Kamito, Takafumi Fujimoto, Chai-Eu Guan, Toshiyuki Tanaka
    • Organizer
      International Symposium on Antennas and Propagation
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 血管検知のための電波型内視鏡アンテナシステム2021

    • Author(s)
      内藤賢,藤本孝文,グアン チャイユー,田中俊幸
    • Organizer
      電子情報通信学会 宇宙・航行エレクトロニクス研究会
    • Related Report
      2020 Research-status Report
  • [Presentation] 電波型内視鏡アンテナセンサー2019

    • Author(s)
      藤本孝文,内藤 賢, グアン チャイ ユー, 田中俊幸
    • Organizer
      電気・情報関係学会九州支部連合大会
    • Related Report
      2019 Research-status Report
  • [Presentation] 電波型内視鏡アンテナシステムに関する研究2019

    • Author(s)
      川島慶也、藤本孝文、堀口元貴、田中俊幸
    • Organizer
      映像情報メディア学会
    • Related Report
      2018 Research-status Report
  • [Presentation] Antenna system for radio wave type endoscope2018

    • Author(s)
      K. Kawashima, Takafumi Fujimoto, Genki Horiguchi, Toshiyuki Tanaka
    • Organizer
      電気・情報関係学会九州支部連合大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2023-01-30  

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