电子科技大学学报
電子科技大學學報
전자과기대학학보
JOURNAL OF UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA
2010年
1期
152-156
,共5页
胎儿监护%跟踪定位%三角测量法%超声仪器%超声测量法
胎兒鑑護%跟蹤定位%三角測量法%超聲儀器%超聲測量法
태인감호%근종정위%삼각측량법%초성의기%초성측량법
fetal monitoring%tracking position%triangulation%ultrasonic devices%ultrasonic measurement
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0.25 cm,远小于传统手工触诊法的平均误差2.0 cm.
基于空間幾何原理和超聲多普勒三角測量法,提齣瞭一種胎頭位置、宮頸擴張的自動測量方法,以替代產科臨床使用的傳統手工觸診法.研究建立瞭跟蹤定位測量繫統模型,討論瞭可能引髮測量誤差的原因.設計併實現瞭超聲多普勒跟蹤定位繫統,包括超聲傳感器繫統、超聲驅動/接收電路和測控繫統軟硬件.模擬測試錶明,所設計的繫統對胎頭位置和宮頸開口的5次測量平均值絕對誤差小于0.25 cm,遠小于傳統手工觸診法的平均誤差2.0 cm.
기우공간궤하원리화초성다보륵삼각측량법,제출료일충태두위치、궁경확장적자동측량방법,이체대산과림상사용적전통수공촉진법.연구건립료근종정위측량계통모형,토론료가능인발측량오차적원인.설계병실현료초성다보륵근종정위계통,포괄초성전감기계통、초성구동/접수전로화측공계통연경건.모의측시표명,소설계적계통대태두위치화궁경개구적5차측량평균치절대오차소우0.25 cm,원소우전통수공촉진법적평균오차2.0 cm.
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.
