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    Soft tissue modelling through autowaves for surgery simulation

    Access Status
    Fulltext not available
    Authors
    Zhong, Yongmin
    Shirinzadeh, B.
    Alici, G.
    Smith, J.
    Date
    2006
    Type
    Journal Article
    
    Metadata
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    Citation
    Zhong, Yongmin and Shirinzadeh, Bijian and Alici, Gursel and Smith, Julian. 2006. Soft tissue modelling through autowaves for surgery simulation. Medical and Biological Engineering and Computing 44 (9): pp. 805-821.
    Source Title
    Medical and Biological Engineering and Computing
    DOI
    10.1007/s11517-006-0084-7
    ISSN
    0140-0118
    URI
    http://hdl.handle.net/20.500.11937/15050
    Collection
    • Curtin Research Publications
    Abstract

    Modelling of soft tissue deformation is of great importance to virtual reality based surgery simulation. This paper presents a new methodology for simulation of soft tissue deformation by drawing an analogy between autowaves and soft tissue deformation. The potential energy stored in a soft tissue as a result of a deformation caused by an external force is propagated among mass points of the soft tissue by non-linear autowaves. The novelty of the methodology is that (i) autowave techniques are established to describe the potential energy distribution of a deformation for extrapolating internal forces, and (ii) non-linear materials are modelled with non-linear autowaves other than geometric non-linearity. Integration with a haptic device has been achieved to simulate soft tissue deformation with force feedback. The proposed methodology not only deals with large-range deformations, but also accommodates isotropic, anisotropic and inhomogeneous materials by simply changing diffusion coefficients.

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