Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.compbiomed.2007.10.009
Title: A biomechanical model for real-time simulation of PMMA injection with haptics
Authors: Lian, Z.
Chui, C.-K. 
Teoh, S.-H. 
Keywords: Biomechanical modeling
Hand-eye coordination
Image guided surgery
Medical simulation
PMMA
Rheological model
Tactile and visual interfaces
Virtual reality
Issue Date: Mar-2008
Source: Lian, Z., Chui, C.-K., Teoh, S.-H. (2008-03). A biomechanical model for real-time simulation of PMMA injection with haptics. Computers in Biology and Medicine 38 (3) : 304-312. ScholarBank@NUS Repository. https://doi.org/10.1016/j.compbiomed.2007.10.009
Abstract: We have developed a computationally efficient rheological model to simulate polymethylmethacrylate (PMMA) injection into cancellous bone during percutaneous vertebroplasty. The model employs the Hagen-Poiseuille law to predict pressure drop across a delivery cannula with viscoelastic changes of curing PMMA modeled via a time and shear-rate-dependant power law. The power law was derived based on dynamic rheological testing of curing PMMA samples. In conjunction with a branching-pipe geometrical model that is reconstructed from micro-computed tomography scans of cancellous bone for estimating pressure changes during PMMA flow in bone, the method provides a fast estimation of overall injection pressure, and, hence, the reaction force during manual PMMA injection. © 2007 Elsevier Ltd. All rights reserved.
Source Title: Computers in Biology and Medicine
URI: http://scholarbank.nus.edu.sg/handle/10635/53904
ISSN: 00104825
DOI: 10.1016/j.compbiomed.2007.10.009
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