Evaluating Visual and Haptic Feedback on a Virtual Reality Simulator for Orthopedic Bone Pinning

Abstract

The Simulation-Based Open Surgery Training System (SOSTS) is a virtual reality simulator designed to provide training on a simulated orthopedic bone pinning procedure. The present version of SOSTS offers five distinct combinations of multi-sensory feedback during training. The purpose of this study was to investigate the effects of visual and haptic feedback on participants' ability to place a pin through a fractured tibia on the simulator. Enhanced visual feedback resulted in a significant reduction of pin alignment error, although participants in these conditions took five times longer to achieve proficiency than those in the moderate visual feedback conditions. Any form of haptic feedback resulted in significantly greater pin placement error than no haptic feedback. The results provide partial support for the proximity compatibility principle for display design.

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