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Validation of the RobotiX Mentor Robotic Surgery Simulator
George Whittaker1, Abdullatif Aydin2, Nicholas Raison2
11 School of Medical Education, King's College London , London, United Kingdom .
Journal of Endourology
|November 19, 2015
Summary
The RobotiX Mentor virtual reality simulator is a valid and acceptable tool for robotic surgery training. It demonstrates construct validity and feasibility for training and assessing surgical skills.
Area of Science:
- Medical Simulation
- Surgical Education
- Robotic Surgery
Background:
- Robotic surgery requires specialized training.
- Virtual reality simulators offer a potential solution for surgical training.
- The RobotiX Mentor is a virtual reality simulator for robotic surgery.
Purpose of the Study:
- To assess the validity (face, content, construct) of the RobotiX Mentor simulator.
- To evaluate the acceptability and feasibility of the RobotiX Mentor for surgical training.
- To develop a supplementary training curriculum for the RobotiX Mentor.
Main Methods:
- Prospective, observational, comparative study with 46 robotic surgeons (novice, intermediate, expert).
- Participants completed nine surgical tasks on the RobotiX Mentor simulator.
- Questionnaires assessed face validity, content validity, feasibility, and acceptability; construct validity was assessed by comparing performance metrics across skill groups.
Main Results:
- Construct validity was demonstrated in 17/25 performance metrics (p < 0.001).
- Experts outperformed intermediates in several key performance indicators, including time, instrument collisions, and suture accuracy.
- Participants rated the simulator highly for realism (3.7/5), importance (4.5/5), acceptability (4.3/5), and feasibility (4.3/5).
Conclusions:
- The RobotiX Mentor simulator possesses established construct, face, and content validity.
- The simulator is an acceptable and feasible tool for robotic surgical training.
- Further investigation into concurrent/predictive validity and learning curves is recommended to fully establish its training value.
