一种袖珍式胎心音仪的设计和实现  

The Design and Implementation of Portable Fetal Heartbeat Monitor

作　　者：罗松[1] 彭承琳[2] 俞凯君[3] 

机构地区：[1]重庆大学生物工程学院,重庆400044 [2]贵阳医学院附属医院,贵阳550004 [3]上海医疗器械高等专科学校,上海200093

出　　处：《生物医学工程学进展》2009年第2期107-108,共2页Progress in Biomedical Engineering

摘　　要：研制出一种简单实用、安全可靠并具有广阔市场前景的袖珍式胎心音仪。该仪器利用超声多普勒原理,用超声探头从母体腹部提取胎儿心音信号,经过信号解调及低频放大、音频功率放大等处理,然后由耳机及扬声器输出胎心音。This thesis is focused on the design and implementation of a Doppler fetal heartbeat monitor which is portable, safety and marketable. Based on the theory of ultrasound Doppler, the demodulated fetal heart sound signal is amplified by low -frequency and audio power amplifier, then delivered via earphone and speaker.

关 键 词：胎心音仪 超声 胎心音 

分 类 号：R318.6[医药卫生—生物医学工程]