Comparison of tablet-based strategies for incision planning in laser microsurgery
Comparison of tablet-based strategies for incision planning in laser microsurgery
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激光显微手术中基于平板电脑的切口规划策略的比较
DOI：
10.1117/12.2081032
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发表时间：
2015
期刊：
影响因子：
--
通讯作者：
Ortmaier
中科院分区：
文献类型：
--
作者：
Schoob;Kundrat;Ortmaier
最近的研究表明，在激光手术中部署触针和平板电脑的切口规划优于最先进的基于微操纵器的激光控制。提供更详细的量化有关的方法，比较研究的六个基于平板电脑的激光路径规划的策略。参考策略是通过单视场可视化和图形板上的连续路径绘制来定义的。进一步的概念部署立体或合成激光视图，基于点的路径定义，实时遥操作或笔显示器与参考方案进行比较。志愿者被要求在样品上重绘和烧蚀压印线。通过衡量规划的准确性、完成时间和易用性来评估绩效。结果表明，所提出的概念之间存在显着差异。参考策略提供比立体或激光视图场景更准确的切口规划。实时遥操作在完成时间方面表现最好，而不会在准确性和可用性方面出现任何重大偏差。与参考策略相比，基于点的计划和笔式显示提供了最准确的计划，并提高了易用性。因此，将笔显示方法与基于点的规划相结合有可能成为一种强大的策略，因为一方面受益于改进的手眼协调，另一方面受益于简单但准确的路径定义技术。这些发现以及总体可用性量表表明所提出策略的高接受度和一致性，激发了激光显微手术中进一步先进的基于平板电脑的计划。
Recent research has revealed that incision planning in laser surgery deploying stylus and tablet outperforms state-of-the-art micro-manipulator-based laser control. Providing more detailed quantitation regarding that approach, a comparative study of six tablet-based strategies for laser path planning is presented. Reference strategy is defined by monoscopic visualization and continuous path drawing on a graphics tablet. Further concepts deploying stereoscopic or a synthesized laser view, point-based path definition, real-time teleoperation or a pen display are compared with the reference scenario. Volunteers were asked to redraw and ablate stamped lines on a sample. Performance is assessed by measuring planning accuracy, completion time and ease of use. Results demonstrate that significant differences exist between proposed concepts. The reference strategy provides more accurate incision planning than the stereo or laser view scenario. Real-time teleoperation performs best with respect to completion time without indicating any significant deviation in accuracy and usability. Point-based planning as well as the pen display provide most accurate planning and increased ease of use compared to the reference strategy. As a result, combining the pen display approach with point-based planning has potential to become a powerful strategy because of benefiting from improved hand-eye-coordination on the one hand and from a simple but accurate technique for path definition on the other hand. These findings as well as the overall usability scale indicating high acceptance and consistence of proposed strategies motivate further advanced tablet-based planning in laser microsurgery.
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