A fetal heart detection system with fetal heart position guidance function

Abstract

The invention discloses a fetal heart detection system with the function of guiding the fetal heart position, including: design of ultrasonic transducer, design of ultrasonic probe of fetal heart instrument, design of fetal heart signal feature extraction algorithm, design of fetal heart position guiding algorithm and fetal heart The overall design of the instrument system. The system of the present invention can realize the function of fetal heart position search and give the fetal heart position information, and can guide pregnant women who have no experience in fetal heart rate measurement to find the accurate fetal heart rate measurement position, thereby obtaining accurate fetal heart rate and solving the problem caused by fetal heart rate measurement. Inaccurate positions lead to large errors in fetal heart rate counting and fuzzy fetal heart sounds. The detection range of the fetal heart rate signal of the system of the present invention is large, the measurement and calculation of the fetal heart rate are accurate, the operation is simple, and the fetal heart rate detection requirement in the family scene can be met.

Description

technical field [0001] The invention belongs to the technical field of fetal heart detection, and in particular relates to a fetal heart detection system with the function of guiding the position of the fetal heart. Background technique [0002] With the improvement of people's living standards and the concept of prenatal and postnatal care are becoming more and more popular, people's demand for health monitoring is increasing, and the health problems of pregnant women and fetuses have become the focus of society. Fetal heart rate monitoring is an important means of fetal health monitoring, which can effectively protect the health of fetuses and pregnant women. Traditional fetal heart rate monitoring methods cannot achieve independent and continuous daily monitoring. At present, most household fetal heart rate detectors use single-transducer, single-frequency ultrasonic Doppler detection technology. Although this type of fetal heart rate monitor is easy to use and low in pri...

AI Technical Summary

Problems solved by technology

The U.S. patent with the publication number US3847016A discloses a fetal heart rate ultrasound probe based on a clover shape design, in which a receiving transducer is placed in the center, and three independent flexible arms are placed, and a transmitting transducer is placed in each arm , to form a structure of multiple sending and receiving to improve the coverage of the ultrasonic probe; the detection system increases the physical area of ​​the ultrasonic probe of the fetal heart rate instrument and uses the form of multiple sending and receiving to expand the detection range of the fetal heart rate, although to a certain extent The detection range is expanded, but the volume of the ultrasonic probe is too large to be applied to a home fetal heart rate monitor, and the detection range of the ultrasonic probe is the physical area of ​​the ultrasonic probe, which does not effectively expand the detection range

The German patent with the publication number DE2204474A1 discloses a circular fetal heart rate ultrasonic probe, and the transmitting and receiving transducers are distributed on the circular ring at intervals to increase the detection area of ​​the probe; the detection system also increases the physical strength of the probe. The area, the method of expanding its detection range, does not expand the effective detection range in essence, and causes the fetal heart rate instrument to be too large, not portable, and cannot be used in household occasions

The Japanese patent with the publication number JPS54129785U discloses a fetal heart rate ultrasonic probe with a rotating component. By rotating the ultrasonic transducer to scan the position of the fetal heart, the detection system improves the scanning method of the fetal heart rate ultrasonic probe. In order to expand the detection range, but there are also problems such as the small effective detection range of the ultrasonic probe and the large fetal heart rate equipment, which cannot be used in household occasions.

[0005] None of the above-mentioned existing fetal heart rate detection systems can effectively expand the detection range of the fetal heart rate, and there are problems such as relatively complex systems, large equipment volume, and high cost, which do not meet the needs of home-use fetal heart rate monitors.

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