Novel virtual reality based training system for fine motor skills: Towards developing a robotic surgery training
Madhan Kumar Vasudevan1, Joseph H R Isaac1,2, Venkatraman Sadanand3
1Touch Lab, Department of Applied Mechanics, Indian Institute of Technology Madras, Chennai, Tamil Nadu, India.
Summary
Virtual reality (VR) training for robot-assisted surgery, incorporating vibrotactile feedback (VTFB), significantly enhances surgeons' fine-motor skills. This novel approach improves speed, precision, and accuracy in tasks like the Microscopic Selection Task (MST).
Area of Science:
- Robotics
- Medical Simulation
- Human-Computer Interaction
Background:
- Surgical robot training is increasingly integrated into medical curricula.
- Developing effective methods for training fine-motor skills in robot-assisted surgery is crucial.
- Virtual reality (VR) offers a promising platform for surgical skill acquisition and objective performance assessment.
Purpose of the Study:
- To introduce a novel virtual reality (VR) method for training fine-motor skills in robot-assisted surgery.
- To evaluate the impact of vibrotactile feedback (VTFB) on surgical training performance.
- To establish objective performance metrics for surgical skill assessment in VR.
Main Methods:
- Utilized a VR environment to conduct the Microscopic Selection Task (MST) at varying difficulty levels.
- Incorporated vibrotactile feedback (VTFB) within the VR simulation.
- Quantified trainee performance based on speed, precision, and accuracy using established human-computer interaction paradigms.
Main Results:
- The Microscopic Selection Task (MST) performed with vibrotactile feedback (VTFB) demonstrated statistically significant improvements in all key performance metrics.
- Participants training with VTFB completed the MST faster and with greater precision and accuracy compared to those without VTFB.
- Objective quantification of performance metrics revealed the efficacy of VTFB in enhancing surgical skill acquisition.
Conclusions:
- The integration of vibrotactile feedback (VTFB) into VR-based training for robot-assisted surgery can enhance performance outcomes.
- VTFB, coupled with objective performance metrics, provides a valuable tool for surgical training curricula.
- This approach holds potential for improving real-world robotic surgery performance through enhanced training methodologies.


