用于电磁和超声波涂抹器表征的三维笛卡尔系统:验证和性能测试

O. Martínez, L. Leija, A. Vera
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引用次数: 0

摘要

在超声或微波消融试验中,了解涂敷器的有效面积是很重要的。此外,每个涂抹器应具有足够的精度,以满足应用的需要。为了实现上述目标,我们必须控制相对于被测组织或幻影在空间中的位置。本文提出了一种适用于以下尺寸工作空间的三维笛卡尔位置系统:60cm × 40cm × 18cm。所提出的系统的目的是在幽灵和组织中进行温度测量,并评估美国(超声波)涂抹器以及电磁能量(EM)和射频(RF)的性能。定位器各轴的运动由步进电机控制,该步进电机根据用户通过计算机输入的位移来运行序列,由微控制器进行解释和执行,最后通过图形界面在屏幕上显示结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3D cartesian system for the characterization of electromagnetic and ultrasonic applicators: Validation and performance testing
It should be considered that in ultrasound or microwave ablation tests, it is important to know the effective area of the applicators. Also, each applicator should be characterized with adequate precision to meet the needs of the application. In order to achieve the mentioned-above objectives, we must have control of the position in space with respect to tested tissue or phantom. This paper presents the development of a three-dimensional cartesian position system being useful for working spaces of the following dimensions: 60 cm × 40 cm × 18 cm. The purpose of the proposed system is to perform temperature measurements in phantoms and tissue, and evaluate the performance of applicators of U.S. (Ultrasound) applicators as well as electromagnetic energy (EM) and radio frequency (RF). The movement of each axis of the positioner is controlled by a stepping motor running sequences based on the displacement that the user enters through a computer which are interpreted and executed by a microcontroller to finally display the results on the screen through a graphical interface.
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