Characteristic Analysis of LLaser Guidance and Development of its Monolithic Integrated System with a Three-dimensional Position Sensor

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  • Nakajima Yoshikazu
    Depertment of Interdisciplinary Image Analysis, Graduate School of Medicine, Osaka University Graduate School of Information Science and Technology, Osaka University
  • Sugano Nobuhiko
    Depertment of Orthopaedic Surger, Graduate School of Medicine, Osaka University
  • Momoi Yasuyuki
    Hitachi, Ltd.
  • Koyama Tsuyoshi
    Depertment of Robotic Surgery, Graduate School of Medicine, Osaka University
  • Yamamoto Hiroyuki
    Depertment of Interdisciplinary Image Analysis, Graduate School of Medicine, Osaka University Graduate School of Information Science and Technology, Osaka University
  • Sasama Toshihiko
    Graduate School of Engineering, Tottori University
  • Tamura Yuichi
    Osaka Minami Medical Center
  • Yonenobu Kazuo
    Osaka Minami Medical Center
  • Sato Yoshinobu
    Depertment of Interdisciplinary Image Analysis, Graduate School of Medicine, Osaka University Graduate School of Information Science and Technology, Osaka University
  • Sakuma Ichiro
    Graduate School of Frontier Science, the University of Tokyo
  • Yoshikawa Hideki
    Depertment of Orthopaedic Surger, Graduate School of Medicine, Osaka University
  • Ochi Tarahiro
    Sagamihara National Hospital
  • Tamura Shinichi
    Depertment of Interdisciplinary Image Analysis, Graduate School of Medicine, Osaka University Graduate School of Information Science and Technology, Osaka University

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Other Title
  • レーザガイダンスの特性解析と三次元位置センサ・一体型システムの開発
  • レーザガイダンス ノ トクセイ カイセキ ト 3ジゲン イチ センサ イッタイガタ システム ノ カイハツ

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We present a direct display method of surgical tool position and orientation in the surgical field by drawing twolaser beam planes, which is called “laser guidance method”. In this paper, the characteristic analysis of laser guidancewas also presented. The experimental results show the accuracy of laser guidance which the error was within 1.0mm forposition and within 1.0 degree for orientation. The theoretical analysis of laser guidance found out interesting behavior inthe tool adjustment procedure. Further, a monolithic integration of two laser devices with a three-dimensional positionsensor was designed using the result of workspace analysis. By the monolithic integration, feasibility of the system isexpected to be greatly improved since the monolithic integrated laser device requires no calibration and can be intraoperativelyrelocated. The details of the monolithic integrated system design were reported.

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