Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICARA.2011.6144878
Title: Voxel-based haptic training simulator for screw insertion in knee osteotomy
Authors: Zheng, F.
Wong, Y.S. 
Lu, W. 
Keywords: haptic simulator
knee osteotomy
screw insertion
voxel
Issue Date: 2011
Source: Zheng, F.,Wong, Y.S.,Lu, W. (2011). Voxel-based haptic training simulator for screw insertion in knee osteotomy. ICARA 2011 - Proceedings of the 5th International Conference on Automation, Robotics and Applications : 179-183. ScholarBank@NUS Repository. https://doi.org/10.1109/ICARA.2011.6144878
Abstract: Knee osteotomy is a common surgery to realign the knee damaged on one side by arthritis. The procedure often requires the insertion of a screw implant into the patient's tibia. An experienced surgeon develops a tactile sensation to prevent screw stripping and to achieve the most favorable tightness between the bone and the screw. A haptic simulator has been designed and implemented as a training platform for novice surgeons, helping them to develop this particular sensation by practicing the procedure in a virtual environment. Patient-specific CT images were used to construct an anatomically accurate knee model. A voxel-based algorithm was developed to compute the torque response based on the property of bone tissues and the geometry of the screw. A torque feedback device was also designed and used to control the virtual screw and output proper torque resistance to the user. Evaluation of the simulator showed that the resistance torques during the insertion, tightening and stripping phase of screw insertion was effectively simulated. © 2011 IEEE.
Source Title: ICARA 2011 - Proceedings of the 5th International Conference on Automation, Robotics and Applications
URI: http://scholarbank.nus.edu.sg/handle/10635/74010
ISBN: 9781457703287
DOI: 10.1109/ICARA.2011.6144878
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