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Simulation-Based Cryosurgery Intelligent Tutoring System Prototype

机译：基于仿真的冷冻外科智能辅导系统原型

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摘要

As a part of an ongoing effort to develop computerized training tools for cryosurgery, the current study presents a proof of concept for a computerized tool for cryosurgery tutoring. The tutoring system lists geometrical constraints of cryoprobes placement, simulates cryoprobe insertion, displays a rendered shape of the prostate, enables distance measurements, simulates the corresponding thermal history, and evaluates the mismatch between the target region shape and a preselected planning isotherm. The quality of trainee planning is measured in comparison with a computer-generated planning, created for each case study by previously developed planning algorithms. The following two versions of the tutoring system have been tested in the current study: (1) an unguided version, where the trainee can practice cases in unstructured sessions and (2) an intelligent tutoring system, which forces the trainee to follow specific steps, believed by the authors to potentially shorten the learning curve. Although the tutoring level in this study aims only at geometrical constraints on cryoprobe placement and the resulting thermal histories, it creates a unique opportunity to gain insight into the process outside the operation room. Post-test results indicate that the intelligent tutoring system may be more beneficial than the nonintelligent tutoring system, but the proof of concept is demonstrated with either system.
机译：作为开发用于冷冻手术的计算机培训工具的持续努力的一部分，当前的研究提出了一种用于冷冻手术辅导的计算机工具的概念证明。辅导系统列出了冷冻针放置的几何约束，模拟了冷冻探针的插入，显示了前列腺的渲染形状，启用了距离测量，模拟了相应的热历史，并评估了目标区域形状与预先选择的计划等温线之间的不匹配。与通过先前开发的计划算法为每个案例研究创建的计算机生成计划进行比较，来衡量学员计划的质量。当前研究中已经测试了以下两种版本的辅导系统：（1）非指导版本，受训人员可以在非结构化课程中练习案例;（2）智能辅导系统，迫使受训人员遵循特定步骤，作者认为这可能会缩短学习曲线。尽管本研究中的辅导水平仅针对冷冻探针放置和由此产生的热历史的几何约束，但它为了解手术室外部的过程提供了独特的机会。测试后的结果表明，智能补习系统可能比非智能补习系统更有利，但是任何一种系统都证明了概念验证。

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