【摘 要】介绍了超声生物效应和GB16846-1997《医用超声诊断设备声输出公布要求》中声输出资料公布的基本要求,对超声多普勒胎心监测仪产品的声输出安全性进行了讨论,提出安全使用该类仪器的建议。

    【关键词】多普勒胎心; 声输出;声功率; 安全

    The Safety Research of Acoustic Output from Ultrasonic Doppler Fetal Heartbeat Detector

    LUO Song1YU Kai-jun2

    【Abstract】Describes the biological effects of ultrasound and the basic requirements for the declaration of acoustic output data inGB16846-1997《requirements for the declaration of theacoustic output of medical diagnostic ultrasonic equipment 》.Acoustic output safety of the ultrasonic doppler fetal heartbeat monitor were discussed, put forward the recommendations of the safe use of such devices.

    【Key Words】Doppler fetal heartbeat; Acoustic output;Acoustic power;Safety

    【中图分类号】R445.1【文献标识码】B 【文章编号】1006-1959(2009)10-0220-01

    超声多普勒胎儿心率仪使用至今已有40年的历史 ......