Fetal heart monitoring abdominal belt based on optical fiber sensing

Abstract

The invention discloses a fetal heart monitoring abdominal belt based on optical fiber sensing, each pre-bent optical fiber sensing unit is fixed on the corresponding vibration sensitive membrane, and each pre-bent optical fiber sensing unit is connected to the corresponding The vibration-sensitive film is embedded in the fabric of the abdominal support belt body; the light source is used to send laser light to each pre-bent optical fiber sensing unit, and the optical signal receiving component is used to receive vibration when passing through each pre-bent optical fiber sensing unit Signal modulated laser signal, and convert the laser signal modulated by the vibration signal into corresponding multiple electrical signals with physiological characteristic information; the signal processing and analysis module is used to separate the fetal heartbeat information. The invention perceives vibration signals caused by fetal heartbeat and fetal movement through optical fiber-based high-sensitivity vibration sensing technology, and realizes continuous real-time monitoring of fetal health status through processing and analysis of multiple signals.

Description

technical field [0001] The invention relates to the technical field of fetal heart monitoring, in particular to a fetal heart monitoring abdominal support belt based on optical fiber sensing. Background technique [0002] In fetal prenatal health diagnosis, fetal heart rate monitoring is an important means of fetal health monitoring. Usually perinatal fetal heart rate monitoring requires pregnant women to go to the hospital for monitoring. On the one hand, this traditional monitoring method is limited by "time". Pregnant women can only receive monitoring within the specified time, but regular monitoring can only reflect the acceptance The condition of the fetus during monitoring cannot be monitored continuously on demand or day by day, so some acute hypoxia or health abnormalities caused by intrauterine distress will be missed; on the other hand, due to the limitation of "space", pregnant women need to go to the hospital for designated For receiving monitoring, it is imposs...

AI Technical Summary

Problems solved by technology

However, this type of instrument requires manual operation, can only measure once, and cannot achieve long-term continuous monitoring; at the same time, its measurement object is fetal heart sound, which can only auscultate short-term heart rate, and cannot monitor fetal heart rate changes for a long time, and cannot determine the fetal heart rate. Whether there is hypoxia, fetal movement cannot be monitored, and fetal health monitoring function cannot be realized

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