Towards an augmented ultrasound guided spinal needle insertion system.
Identifieur interne : 000D15 ( PubMed/Corpus ); précédent : 000D14; suivant : 000D16Towards an augmented ultrasound guided spinal needle insertion system.
Auteurs : Colin Sutherland ; Keyvan Hashtrudi-Zaad ; Purang Abolmaesumi ; Parvin MousaviSource :
- Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference [ 1557-170X ] ; 2011.
English descriptors
- KwdEn :
- MESH :
- instrumentation : Injections, Spinal.
- Finite Element Analysis, Needles, Ultrasonics.
Abstract
We 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.
DOI: 10.1109/IEMBS.2011.6090935
PubMed: 22255084
Links to Exploration step
pubmed:22255084Le document en format XML
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<author><name sortKey="Hashtrudi Zaad, Keyvan" sort="Hashtrudi Zaad, Keyvan" uniqKey="Hashtrudi Zaad K" first="Keyvan" last="Hashtrudi-Zaad">Keyvan Hashtrudi-Zaad</name>
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<front><div type="abstract" xml:lang="en">We 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.</div>
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<Abstract><AbstractText>We 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.</AbstractText>
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