超声理疗设备功率测量方法解读与注意事项  

Interpretation and Precautions for Output Power Measurement Method of Ultrasonic Physiotherapy Equipment

作　　者：林鸿宁 杨航 刘智伟[1] LIN Hong-ning;YANG Hang;LIU Zhi-wei(Guangdong Medical Devices Quality Surveillance and Test Institute,Guangdong Guangzhou 510663)

机构地区：[1]广东省医疗器械质量监督检验所,广东广州510663

出　　处：《中国医疗器械信息》2021年第23期25-27,43,共4页China Medical Device Information

基　　金：广东省重点领域研发计划资助(项目编号:2020B1111130002)。

摘　　要：超声理疗设备在设计和检测过程中经常出现较多超声输出功率问题,例如超声输出功率不准确,相关参数未标记等。文章对超声理疗设备的超声功率输出相关参数的测量方法进行解读,主要包括超声输出功率和时间最大输出功率的测量与计算,换能器的有效辐射面积的测量与计算,以及对辐射力天平的使用注意事项等。Ultrasound physical therapy equipment always has many problems with the ultrasonic output power during the design and testing process,such as inaccurate ultrasonic output power,and the relevant parameters are not marked.This article will interpret the measurement method of the related parameters on the ultrasonic power output of ultrasonic physiotherapy equipment,mainly including the measurement and calculation of ultrasonic output power and temporal-maximum output power,the measurement and calculation of the effective radiating area of the transducer,and precautions for the use of the radiation force balance.

关 键 词：超声理疗设备 超声功率 有效辐射面积 辐射力天平 

分 类 号：TH772[机械工程—仪器科学与技术]