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A novel master-slave intraocular surgical robot with force feedback
Siyang Zuo1, Zhen Wang1, Tianci Zhang1
1Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, Tianjin University, Tianjin, China.
Summary
This study introduces a novel master-slave robotic system with force feedback to enhance safety in intraocular surgery. The system significantly reduced surgical contact forces, demonstrating its potential for improved outcomes.
Area of Science:
- Robotics in Medicine
- Surgical Technology
- Ophthalmology
Background:
- Intraocular surgery presents significant challenges due to human hand tremors and the absence of tactile feedback.
- These limitations can compromise patient safety during delicate microsurgical procedures.
Purpose of the Study:
- To develop and evaluate a novel master-slave robotic system designed to assist with intraocular surgeries.
- The system aims to improve surgical safety by incorporating force feedback capabilities.
Main Methods:
- A master-slave robotic system was engineered with an isomorphism design for intuitive control.
- A custom-developed force sensor measured contact forces, with real-time feedback provided via a voice coil motor and magnetic particle brakes.
Main Results:
- Experiments demonstrated the system's effectiveness in reducing contact forces during simulated surgical tasks.
- Specifically, a phantom experiment showed over a 30% reduction in contact force when peeling eggshell membranes with force feedback enabled.
Conclusions:
- The experimental findings validate the efficacy of the implemented force feedback mechanism.
- The developed master-slave robotic system shows significant promise for enhancing the safety and precision of intraocular surgeries.
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