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Development of a training support system for operating a walker when using a walking assistance robot for people with spinal cord injuries

Research Project

Project/Area Number 21K11178
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59010:Rehabilitation science-related
Research InstitutionFujita Health University

Principal Investigator

Tanabe Shigeo  藤田医科大学, 保健学研究科, 教授 (50398632)

Co-Investigator(Kenkyū-buntansha) 小山 総市朗  藤田医科大学, 保健学研究科, 准教授 (90754705)
井伊 卓真  藤田医科大学, 保健衛生学部, 講師 (50815074)
Project Period (FY) 2021-04-01 – 2025-03-31
Project Status Completed (Fiscal Year 2024)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2024: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Keywordsロボット / 脊髄損傷 / リハビリテーション / 歩行
Outline of Research at the Start

歩行器を併用する,脊髄損傷者のための歩行再建ロボットWPALを用いた自立歩行には,残存する上肢および体幹の随意筋収縮を用いた,自身の重心移動と歩行器の前方移動が必要である.歩行器の前方移動は,歩行周期の決められた時期に行うため難易度が高く,その練習支援システムの開発が望まれている.本研究の目的は,ロボット使用時の歩行器操作の練習支援システムを考案し,その有用性を明らかにすることである.

Outline of Final Research Achievements

The purpose of this study was to develop a training support system for operating a walker when using a walking assistance robot for people with spinal cord injuries. First, we clarified the effect of walking speed on walker operation during robot-assisted walking. Next, based on the results, we developed a system that indicates the timing and range of walker operation. Finally, we evaluated the usefulness of the proposed system. The findings showed that skilled users tended to adjust the timing of pushing the walker according to walking speed, whereas unskilled users exhibited significant variability in the timing of walker operation. In the evaluations using the support system, the group that maintained a distal position relative to the reference position in static standing showed a tendency for foot contact timing to approach a lower-risk period during the gait cycle.

Academic Significance and Societal Importance of the Research Achievements

脊髄損傷者において,車いすのみでの日常生活活動は,身体的または心理的な問題を引き起こすとされている.そのため,脊髄損傷者の歩行再建は重要な医療的課題と認識されている.この社会的背景に対して,国内外問わず脊髄損傷者のためのさまざまな歩行補助ロボットが開発・実用化されてきた.本研究課題である,歩行補助ロボット使用時の歩行器操作の練習支援システムが今後臨床現場で活用されることによって,効率的,効果的,かつ安全な歩行練習が可能となるため,より広い機能残存レベルの脊髄損傷者において,より早期のロボット補助歩行自立が期待できると考えられる.

Report

(5 results)
  • 2024 Annual Research Report   Final Research Report ( PDF )
  • 2023 Research-status Report
  • 2022 Research-status Report
  • 2021 Research-status Report

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Published: 2021-04-28   Modified: 2026-01-16  

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