Control of fracture reduction robot using force/torque measurement.

T. Douke, Y. Nakajima, Y. Mori, S. Onogi, N. Sugita, M. Mitsuishi, M. Bessho, S. Ohhashi, K. Tobita, I. Ohnishi, I. Sakuma, T. Dohi, Y. Maeda, T. Koyama, N. Sugano, K. Yonenobu, Y. Matsumoto, K. Nakamura

研究成果: ジャーナルへの寄稿学術誌査読


We have developed a surgical robotic system for femoral fracture reduction employing indirect traction. Indirect traction in fracture reduction is a generally used surgical method for preventing complications such as bone splits caused by high stress on bones. For traction, a patient's foot is gripped by a jig and pulled to the distal side. Indirect traction has the advantage of distributing bone stress by utilizing a strong traction force; however, this procedure does not accurately control the proper positioning of fractured fragments when a surgical robot is used. The human leg has knee and an ankle joints, and thus robotic motion presents problems in not being able to directly propagate reduction motion to a fractured femoral fragment, rendering control of bone position difficult. We propose a control method for fracture reduction robots using external force/torque measurements of the human leg to achieve precise fracture reduction. Results showed that the proposed method reduced repositioning error from 6.8 mm and 15.9 degrees to 0.7 mm and 5.3 degrees, respectively.

ジャーナルConference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference
出版ステータス出版済み - 12月 1 2008

!!!All Science Journal Classification (ASJC) codes

  • 信号処理
  • 生体医工学
  • コンピュータ ビジョンおよびパターン認識
  • 健康情報学


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