胎头位置和宫颈扩张监测方法的研究  

Method to Detecting Fetal Head Station and Cervical Dilation

作　　者：陆尧胜[1] 林启涛[1] 沈以鸿 

机构地区：[1]暨南大学信息科学技术学院,广州510632 [2]三瑞医疗器械有限公司,广州510520

出　　处：《电子科技大学学报》2010年第1期152-156,共5页Journal of University of Electronic Science and Technology of China

基　　金：广东省科技计划(2007B030501009)

摘　　要：基于空间几何原理和超声多普勒三角测量法,提出了一种胎头位置、宫颈扩张的自动测量方法,以替代产科临床使用的传统手工触诊法。研究建立了跟踪定位测量系统模型,讨论了可能引发测量误差的原因。设计并实现了超声多普勒跟踪定位系统,包括超声传感器系统、超声驱动/接收电路和测控系统软硬件。模拟测试表明,所设计的系统对胎头位置和宫颈开口的5次测量平均值绝对误差小于0.25cm,远小于传统手工触诊法的平均误差2.0cm。In order to replace the conventional method of vagina palpation which has been widely used in obstetrics, a new method for detecting fetal head position and cervical dilation automatically is proposed based on the analytic geometry of space and ultrasonic triangulation. A tracking （position） model is set up and kinds of factors which may cause detecting errors are discussed. A ultrasonic measurement system for body tracking （position） is developed. The error of average result from 5 times detection by this system is less than 0.25 cm, much less than the error of a conventional vagina palpation, that is average around 2.0 cm.

关 键 词：胎儿监护 跟踪定位 三角测量法 超声仪器 超声测量法 

分 类 号：R318.04[医药卫生—生物医学工程]