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|Title:||Tubes in tubes: Catheter navigation in blood vessels and its applications|
|Authors:||Lawton, W. |
|Citation:||Lawton, W.,Raghavan, R.,Ranjan, S.R.,Viswanathan, R.R. (2000-05-01). Tubes in tubes: Catheter navigation in blood vessels and its applications. International Journal of Solids and Structures 37 (22) : 3031-3054. ScholarBank@NUS Repository.|
|Abstract:||The construction of realistic simulators for medical procedures is increasingly important. We describe here a physical model and a numerical algorithm to simulate the insertion and navigation of a catheter into an arterial system. A novel formulation of the elasticity of thin rods was developed for modeling the catheter. The catheter bends and twists within the blood vessels, not simply tracking a central curve. The inner artery walls are modeled as rigid surfaces; this constraint of catheter containment within rigid walls is implemented through the use of a wall potential. The model has been integrated into an interactive system, with visualization and a direct catheter input interface (previously described), called da Vinci (Visual navigation of catheter insertion). © 2000 Elsevier Science Ltd. All rights reserved.|
|Source Title:||International Journal of Solids and Structures|
|Appears in Collections:||Staff Publications|
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