Medical piezoelectric ultrasonic transducer and their performance analyses

Lin-zhi Yang, Q. Li, Yang-hong Ji, Jie Geng, Sheng-li Wang, Chun-fang Cai
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引用次数: 0

Abstract

Piezoelectric ultrasonic transducer is the transducer which is technically designed for electrical measurement of non-medical electrical capacity, some physiology parameters of human body like blood pressure, pulse, breathe, body temperature, and etc. are non-electrical capacity. In order to measure these physiological parameters, the simplest way is to change them for the project is technically easier for measuring the amount of electricity (or called telecommunications), then the telecommunications which is equivalent to some of these physiological parameters to be enlarged, and measured, the medical transducer is the completion of the conversion of such devices. This article discussed the classification, structure and main performance index, and their meaning and application of the concept of volume, and introduced the medical application of the more important the concept of resolution and its transducer performance.
医用压电超声换能器及其性能分析
压电式超声换能器是专门为非医用电容量的电测量而设计的换能器,人体的一些生理参数如血压、脉搏、呼吸、体温等都是非医用电容量。为了测量这些生理参数,最简单的方法是将它们改变为工程技术上更容易测量的电量(或称为电信),那么电信就相当于将这些生理参数中的一些进行放大,并进行测量,而医用换能器就是完成这种转换的装置。本文讨论了体积概念的分类、结构和主要性能指标,以及它们的含义和应用,并介绍了医学应用中较为重要的分辨率概念及其传感器性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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