Publications

In this paper, we introduce StraightTrack, a mixed reality (MR) system developed to assist in orthopedic guiding wire placement and prevent K-wire bending in complex anatomical regions. The system incorporates a rigid access cannula with an integrated marker body to minimize bending caused by contact with soft tissue or bone. Leveraging an OST HMD with on-device optical tracking, StraightTrack provides real-time surgical guidance while addressing spatial navigation challenges and reducing entry point perception errors.

In this work, we explore how different visualization techniques for guiding attention toward objects outside a user's field of view impact responsiveness and cognitive workload in MR environments. We examine three visualization paradigms through a user study involving 24 participants. By analyzing Just Noticeable Differences (JNDs) and assessing mental load with the NASA Task Load Index, we aim to determine which technique best balances user perception and cognitive effort.