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Development of a Prototype Robotic System for Radiosurgery with Upper Hemispherical Workspace.

Sun Young Noh1, Kyungmin Jeong1, Yong-Chil Seo1

  • 1Korea Atomic Energy Research Institute, Daejeon, Republic of Korea.

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|October 26, 2017
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Summary

A new robotic system is being developed for radiosurgery, featuring a 5-degree-of-freedom manipulator designed for precise linear accelerator positioning. This specialized system aims to optimize the workspace for enhanced radiosurgery procedures.

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Area of Science:

  • Robotics
  • Medical Engineering
  • Radiosurgery

Background:

  • Radiosurgery requires precise targeting and delivery of radiation.
  • Existing robotic systems may not be optimally designed for radiosurgery's specific workspace requirements.
  • Small-sized linear accelerators offer potential for improved radiosurgery delivery systems.

Purpose of the Study:

  • To introduce a specialized 5-DOF robotic manipulator for radiosurgery applications.
  • To design a robotic system with an optimal workspace for a small-sized linear accelerator.
  • To develop a kinematic structure suitable for radiosurgery procedures.

Main Methods:

  • Kinematic analysis to determine optimal link lengths based on workspace requirements.
  • Proposal of a novel kinematic structure distinct from conventional industrial manipulators.
  • Implementation of a graphic simulator for dynamic analysis of the robotic system.

Main Results:

  • The study considered radiosurgery workspace requirements to optimize manipulator link lengths.
  • A new kinematic structure was proposed and analyzed for suitability in radiosurgery.
  • Dynamic analysis was performed using a graphic simulator.

Conclusions:

  • A specialized robotic system is under development for radiosurgery using a small linear accelerator.
  • The proposed 5-DOF manipulator design aims to provide an optimal upper hemispherical workspace.
  • Further development includes a prototype manipulator and its control system.