Endovascular Guidewire Flexibility Simulation
BIOMEDICAL SIMULATION, PROCEEDINGS(2010)
Abstract
Endovascular clinicians use guidewires to navigate within vessels during angiography or angioplasty. In mastering this core
skill, an alternative to the traditional apprenticeship in patients is provided by virtual training environments though these
require a faithful replication of complex guidewire behaviours inside the vasculature. This paper presents the integration
of realistic flexibilities into our guidewire model that simulates the stiffness of seven commonly used guidewires. Each virtual
instrument is represented as a mass-spring model replicating their flexibility and shape, especially at the flexible end.
The bending coefficients were determined by comparing of the behaviour of real guidewires in a transparent silicone rubber
vascular phantom to that of virtual guidewires in the virtual representation of the phantom. As a result, our representation
captures the required range of behaviour and enables accurate deformation.
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Key words
interven- tional radiology,real guidewires,complex guidewire behaviour,virtual representation,endovascular clinicians use guidewires,endovascular surgery.,virtual instrument,virtual training environment,endovascular guidewire flexibility simulation,mass-spring simulation,virtual guidewires,accurate deformation,guidewire model,mass-spring model,flexibility,interventional radiology
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