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SmartArm: Integration and validation of a versatile surgical robotic system for constrained workspaces
Murilo Marques Marinho1, Kanako Harada1, Akio Morita2
1Department of Mechanical Engineering, The University of Tokyo, Tokyo, Japan.
Summary
A new robotic system, SmartArm, offers versatile control for minimally invasive surgery in deep, narrow spaces. It enables proficient task completion with speed and accuracy comparable to surgeons.
Area of Science:
- Robotics
- Minimally Invasive Surgery
- Surgical Systems
Background:
- Increasing use of surgical robots necessitates versatile systems for deep and narrow surgical workspaces.
- Current robotic systems may lack the dexterity required for complex anatomical regions.
Purpose of the Study:
- To develop and validate a versatile robotic system, SmartArm, designed for constrained surgical environments.
- To enable safe and intuitive teleoperation for complex surgical tasks.
Main Methods:
- Development of the SmartArm system featuring two industrial robotic arms with flexible tools and nine active degrees-of-freedom.
- Implementation of a control algorithm based on constrained optimization for safe task constraint generation and teleoperation.
Main Results:
- SmartArm system successfully evaluated in a master-slave experiment using a realistic head phantom.
- A non-medically trained user performed dura mater suturing with speed and accuracy comparable to experienced surgeons.
Conclusions:
- Demonstrated the successful integration and validation of the SmartArm robotic system.
- SmartArm shows potential for enhancing surgical capabilities in deep and narrow workspaces.
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