虚拟手术训练系统中软组织切割模型的研究进展

doi:10.3969/j.issn.0258-8021. 2015. 04.011

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摘要虚拟手术仿真训练系统(VSSTS)较好地解决了传统临床医生培训方法中存在的培训周期长、成本高和训练对象匮乏等方面的问题，是一种经济有效的替代训练方式。人体软组织切割作为各类实际手术中最为常见和核心的手术操作类型，对其进行逼真的模拟一直是虚拟手术仿真系统研究中的难点和热点问题。在简要介绍软组织切割模型发展历程后，分别从基于网格和无网格两大建模体系对目前已提出的多种软组织切割模型进行介绍，分析并总结各种建模方法的优缺点及其在各类虚拟手术仿真系统中的具体应用实例。除此之外，针对近年来新提出的混合模型进行分析，并从仿真效果与计算速度角度对未来的发展方向进行展望。

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	程强强¹
	3刘小平¹
	2徐少平^1*

关键词 ：虚拟手术, 软组织, 切割模型, 无网格, 混合模型

Abstract：Virtual surgery simulation training system (VSSTS) solves the problems that exist in the traditional clinician training methods, such as long training period, high cost and lack of training objects. It is a costeffective alternative training method. As the most common and core type of surgical operations in all kinds of practical surgery, realistically simulating the cutting of soft tissue in real time has always been the difficult and hot issues on studying the virtual surgery simulation system. In this paper, we introduced all kinds of cutting models that have been proposed within the framework of mesh and meshless after giving a brief introduction of the development history of soft tissue cutting model. Then, we analyzed and summarized the advantages and disadvantages of the various modeling method and its applications in the real world virtual surgery simulation systems. In addition, we analyzed the hybrid mode that has been proposed in recent years and gave an outlook for the future of cutting simulation in terms of simulation effect and computing speed.

Key words： virtual surgery soft tissue cutting model meshless hybrid model

基金资助:国家高技术研究发展计划(863计划) (2013AA013804)；国家自然科学基金(61163023, 51165033)

引用本文:

程强强^1,3刘小平^1,2徐少平^1*. 虚拟手术训练系统中软组织切割模型的研究进展[J]. 中国生物医学工程学报, 2015, 34(4): 464-474.
Cheng Qiangqiang^1,3 Liu Xiaoping^1,2 Xu Shaoping^1*. Research Progress on Soft Tissue Cutting Model for Virtual Surgery Simulation Training System. journal1, 2015, 34(4): 464-474.

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http://cjbme.csbme.org/CN/ 10.3969/j.issn.0258-8021. 2015. 04.011 或 http://cjbme.csbme.org/CN/Y2015/V34/I4/464

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