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Virtual Laparoscopic Training System Based on VCH Model

  • Education & Training
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Abstract

Laparoscopy has been widely used to perform abdominal surgeries, as it is advantageous in that the patients experience lower post-surgical trauma, shorter convalescence, and less pain as compared to traditional surgery. Laparoscopic surgeries require precision; therefore, it is imperative to train surgeons to reduce the risk of operation. Laparoscopic simulators offer a highly realistic surgical environment by using virtual reality technology, and it can improve the training efficiency of laparoscopic surgery. This paper presents a virtual Laparoscopic surgery system. The proposed system utilizes the Visible Chinese Human (VCH) to construct the virtual models and simulates real-time deformation with both improved special mass-spring model and morph target animation. Meanwhile, an external device that integrates two five-degrees-of-freedom (5-DOF) manipulators was designed and made to interact with the virtual system. In addition, the proposed system provides a modular tool based on Unity3D to define the functions and features of instruments and organs, which could help users to build surgical training scenarios quickly. The proposed virtual laparoscopic training system offers two kinds of training mode, skills training and surgery training. In the skills training mode, the surgeons are mainly trained for basic operations, such as laparoscopic camera, needle, grasp, electric coagulation, and suturing. In the surgery-training mode, the surgeons can practice cholecystectomy and removal of hepatic cysts by guided or non-guided teaching.

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Acknowledgements

This work was supported by the National High-Tech Re-search and Development Program of China (863 Program: 2012AA02A606), the Program for New Century Excellent Talents in University (Grant No.NCET-10-0386).

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Correspondence to Qian Liu.

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This article is part of the Topical Collection on Education and Training

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Tang, J., Xu, L., He, L. et al. Virtual Laparoscopic Training System Based on VCH Model. J Med Syst 41, 58 (2017). https://doi.org/10.1007/s10916-017-0702-y

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