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    Support for the calculation of stent fatigue fracture in peripheral arteries

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    Authors
    McFarlane, Nigel J.B.
    Wei, Hui
    Zhao, Youbing
    Clapworthy, Gordon J.
    Testi, Debora
    Chiarini, Alessandro
    Affiliation
    University of Bedfordshire
    Issue Date
    2013
    Subjects
    vascular stenting
    Peripheral Vascular Angioplasty
    fatigue fracture
    stent modelling
    surgical simulation
    risk calculation
    
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    Abstract
    Vascular stenting is a medical intervention in which a wire mesh tube is inserted into an artery or vein to provide internal support. This is a safe and common procedure, but stents are now increasingly being deployed in peripheral locations, such as the femoral artery, as part of a procedure called Peripheral Vascular Angioplasty (PVA). Stents in such locations are subject to cyclic bending, and are therefore at risk of fatigue fracture. This paper describes the work of the RT3S project, which brings together stent modelling, surgical simulation and risk calculation for surgical planning. This will allow the clinical user to interactively assess different stent models and deployment options for breakage risk. In the RT3S system, models of several commercial models of self-expanding stent are available for simulation. The placement of the stent in the vessel and the withdrawal of the catheter sheath to expand the stent are visualised. A simplex control mesh is used to guide the deformation of the stent from its compressed start configuration to its expanded final position. The fracture risk for the given model and its patient-specific final position is precomputed using the response surfaces methodology.
    Citation
    McFarlane, N.J.B., Wei, H., Zhao, Y.,Clapworthy, G.J., Testi, D., Chiarini, A., (2013) 'Support for the Calculation of Stent Fatigue Fracture in Peripheral Arteries', Proceedings Theory and Practice of Computer Graphics (TPCG 13), Bath, September 2013
    Publisher
    European Association for Computer Graphics
    URI
    http://hdl.handle.net/10547/338529
    DOI
    10.2312/LocalChapterEvents.TPCG.TPCG13.093-100
    Additional Links
    http://diglib.eg.org/handle/10.2312/LocalChapterEvents.TPCG.TPCG13.093-100
    Type
    Conference papers, meetings and proceedings
    Language
    en
    ISBN
    9783905673982
    ae974a485f413a2113503eed53cd6c53
    10.2312/LocalChapterEvents.TPCG.TPCG13.093-100
    Scopus Count
    Collections
    Centre for Computer Graphics and Visualisation (CCGV)

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