• Conf Proc IEEE Eng Med Biol Soc · Jan 2011

    Towards an augmented ultrasound guided spinal needle insertion system.

    • Colin Sutherland, Keyvan Hashtrudi-Zaad, Purang Abolmaesumi, and Parvin Mousavi.
    • Queen’s Univeristy. colin.sutherland@queensu.ca
    • Conf Proc IEEE Eng Med Biol Soc. 2011 Jan 1;2011:3459-62.

    AbstractWe propose a haptic-based simulator for ultrasound-guided percutaneous spinal interventions. The system is composed of a haptic device to provide force feedback, a camera system to display video and augmented computed tomography (CT) overlay, a finite element model for tissue deformation and US simulation from a CT volume. The proposed system is able to run a large finite element model at the required haptic rate for smooth force feedback, and uses haptic device position measurements for a steady response. The simulated US images from CT closely resemble the vertebrae images captured in vivo. This is the first report of a system that provides a training environment to couple haptic feedback with a tracked mannequin, and a CT volume overlaid on a visual feed of the mannequin.

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