title: Guidewire and catheter behavioural simulation.
abstract: Guidewire and catheter manipulation is a core skill in endovascular interventional radiology. It is usually acquired in an apprenticeship on patients, but this training is expensive and risky. Simulation offers an efficient alternative for core skills training, though the instrument complex behaviour requires accurate replication. This paper reviews the mass-spring model used to simulate seven guidewires and three catheters, and the matching with their real world counterparts by tuning our model's bending coefficient, which allows replication of the instrument flexibility. This coefficient was matched through computed tomography imaging of a vascular phantom in which each instrument was inserted and manipulated. With an average distance of 2.27 mm (standard deviation: 1.54) between real and virtual instruments, our representation showed realistic behaviour.
authors.affiliation: Department of Surgery and Cancer, Imperial College London, UK. v.luboz@imperial.ac.uk
authors.forename: Vincent
authors.initials: V
authors.lastname: Luboz
authors.forename: Jianhua
authors.initials: J
authors.lastname: Zhai
authors.forename: Tolu
authors.initials: T
authors.lastname: Odetoyinbo
authors.forename: Peter
authors.initials: P
authors.lastname: Littler
authors.forename: Derek
authors.initials: D
authors.lastname: Gould
authors.forename: Thien
authors.initials: T
authors.lastname: How
authors.forename: Fernando
authors.initials: F
authors.lastname: Bello
mesh_terms: D002404:Catheterization / Q000295:instrumentation* / Q000379:methods*; D057785:Catheters; D003198:Computer Simulation; D017076:Computer-Aided Design; D055119:Elastic Modulus; D004867:Equipment Design; D019544:Equipment Failure Analysis; D017276:Friction; D008962:Models, Theoretical