为保证模型相对准确和满足模拟手术过程中三维交互的实时性要求，手术模拟系统要求在保持模型拓扑结构的前提下简化模型。
To keep3D model relatively accurate and meet the realtime requirement of3D interaction on surgery simulation, a simplified model which keeps topological consistency should be acquired.
虚拟手术系统的研究和开发为医生提供了可反复使用的训练和模拟工具，可以应用于手术规划、手术演练和手术中的保护等。
The object of virtual surgery simulation system research and development is to provide a reusable environment for surgery training, planning, rehearsal and protection in operation.
尸体模拟研究及置管训练使用椎间盘镜手术系统，共对7具尸体C1-7椎体间的14个间隙进行内镜下的颈椎前路减压操作。
Surgical Model: With the MED system, we performed 14endoscopic anterior cervical discectomy on the C1-7 cervical spine of 7 cadaveric specimens.
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