Delivery starting forecasting device based on uterine electromyography and method for extracting characteristic parameter

An electromyography, uterine technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve the problem of low degree of accuracy, reduce the incidence, reduce morbidity and mortality, reduce the risk of childbirth and newborns The effect of child defect rate

Active Publication Date: 2012-03-28
JINAN UNIVERSITY
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Problems solved by technology

The device disclosed in the above-mentioned patents predicts the labor process by proces

Method used

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  • Delivery starting forecasting device based on uterine electromyography and method for extracting characteristic parameter
  • Delivery starting forecasting device based on uterine electromyography and method for extracting characteristic parameter
  • Delivery starting forecasting device based on uterine electromyography and method for extracting characteristic parameter

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Experimental program
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Effect test

Embodiment 1

[0040] Such as figure 1Shown is a labor initiation forecasting device based on uterine electromyography, including: uterine electromyography signal acquisition system, uterine electromyography digital signal processing system, graphic display device for processing results and sound forecasting device, uterine electromyography The signal acquisition system is connected with the digital signal processing system of the electromyogram of the uterus, and the digital signal processing system of the electromyography of the uterus is connected with the graphic display device and the sound forecasting device.

[0041] Such as image 3 As shown, the uterine electromyography signal acquisition system includes: electrodes for extracting pregnant women’s abdominal electrical signals containing uterine electromyography, and a pre-bioelectric amplifier for amplifying the extracted electrical signals without distortion. An analog filter for filtering out interference signals, a post bioelect...

Embodiment 2

[0053] Such as Figure 5 As shown, for the above-mentioned device for predicting the start of labor based on uterine electromyography, the characteristic parameters can also be extracted by a single acquisition method of pregnant women's uterine electromyography signal, which includes the following basic steps:

[0054] (1) In the first two weeks of the expected date of delivery, collect the EMG signal of the pregnant woman once. The electrodes are placed in the following positions: E1 is placed 3.5cm to the left of the navel and 1cm below the navel; E2 is placed 3.5cm to the right of the navel. 1cm below the navel; E3 was placed 3.5cm to the left of the navel and 8cm below the navel; E4 was placed 3.5cm to the right of the navel and 1cm below the navel; the reference electrode was placed on the hip. The uterine electromyography signal is collected for 30 minutes. Considering the comfort of pregnant women, the extraction time can also be shortened appropriately, and the differ...

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Abstract

The invention relates to a delivery starting forecasting device based on uterine electromyography and a method for extracting characteristic parameter. The device comprises a uterine electromyography signal acquisition system, a uterine electromyography digital signal processing system, an image-text display device for processing result and a sound forecasting device; the uterine electromyography signal acquisition system is connected with the uterine electromyography digital signal processing system; and the uterine electromyography digital signal processing system is connected with the image-text display device and the sound forecasting device. The method for extracting characteristic parameter processes the uterine electromyography signal by using method of wavelet transform and artificial neural network, extracts characteristic parameter, judges and reads the processing result. Using the device and the method, the delivery starting time can be objectively and accurately forecasted, the risk of delivery can be effectively reduced, and the disease incidence and death rate of newborn baby can be decreased; meanwhile, the obstetrician can be helped to timely take effective measures for reducing occurrence rate of premature delivery and retarded birth so as to reduce the risk of delivery and defect rate of newborn baby.

Description

technical field [0001] The invention relates to perinatal monitoring technology for pregnant women, in particular to a delivery initiation forecasting device based on uterine electromyography and a method for extracting characteristic parameters thereof. Background technique [0002] Childbirth is a complex physiological activity. The necessary conditions for the initiation of labor are the maturity of the fetus and the preparation of the mother. The specific reason for the initiation of labor is still unclear. According to the start time of labor, labor can be divided into premature labor, full-term labor and post-term labor. Birth between 28 weeks of gestation and less than 37 weeks of gestation is called premature delivery, delivery between 37 weeks of gestation and less than 42 full weeks of gestation is called term delivery, and delivery after 42 weeks of gestation and beyond is called postterm delivery. The incidence rate of preterm birth is 5%-10%. Due to different r...

Claims

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Application Information

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IPC IPC(8): A61B5/0488
Inventor 陆尧胜何伟谢渊
Owner JINAN UNIVERSITY
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