49 results about "Fetal health" patented technology

A fetal monitoring device includes a piezofilm sheet, a first electrode, and a second electrode. A controller is operably connected to the piezofilm sheet, first electrode, and second electrode and receives a biopotential and a piezofilm signal. The controller derives at least one of a maternal heart rate and a uterine activity for the biopotential and derives at least one of a fetal heart rate and fetal motion detection from the piezofilm signal. The controller derives an index of fetal health and operate an indicator to present the derived index of fetal health.

The present invention concerns a global maternal serum proteome map and its changes during healthy gestation. Accordingly, the present invention provides an important tool for plasma-based maternal-fetal diagnostics.

A wearable sensor apparatus is disclosed that includes a flexible substrate adapted to be coupled with a skin surface of an expectant mother. A conductor is disposed on the flexible substrate. The conductor can include micron-scale invaginations. The conductor can be capable of repeatable variation in resistance when subject to a strain. Also disclosed is a system for monitoring the health of a fetus in utero that includes a wearable sensor apparatus. The wearable sensor apparatus is configured to output a signal responsive to an electrical input. The system includes a computing system with one or more hardware processors. The computing system is programmed to implement a signal processing module configured to access the output signal from the wearable strain gauge and generate an output indicative of health of the baby in utero. The output can be based in part on the received output signal and previously stored correlations between signal data from the wearable strain gauge and observations of the system or of the mother. A user interface module can be provided and can be configured to display an output indicative of health of the baby in utero.

A handheld device for fetal health monitoring is provided. The device comprises at least one sensor configured to detect fetal movement, and an ultrasound transducer unit configured to record a heartbeat sound of the fetus. The device further comprises a storage unit connectable to the at least one sensor and the ultrasound transducer unit and configured to store the detected fetal movement along with a timestamp and the heartbeat sound of the fetus in the form of digital information.

Methods and spectra for monitoring fetal growth and predicting birth weight of an infant prior to birth are provided wherein one or more selected biological markers are measured in a sample of amniotic fluid obtained from a pregnant woman. Levels of the selected biochemical markers and / or spectra correlate with one or more medical conditions, such as fetal growth and birth weight of the infant, and gestational diabetes. A measurement probe for in situ measurement can be used safely and repeatedly. Monitoring and / or treatment of maternal and fetal health is also provided.

Method and system for determining a volume of a placenta in utero. The placenta in utero may be modeled as having a convex-concave shape (e.g., like that of a portion of a spherical shell). Volume of the placenta may be determined based on the width (or height) and thickness of the placenta, or based on width, height and thickness of the placenta. Placenta size characteristics may be measured using imaging techniques, such as ultrasound. In one aspect of the invention, a volume of a placenta in utero may be compared to the volume of other placentas for similar gestational age, and a determination regarding whether the placenta volume poses a risk to fetal health may be made.

The invention discloses a method for extracting Doppler fetal heart sound signals on the basis of delay estimation. The method includes steps of acquiring abdominal ultrasonic Doppler echo signals of mothers; respectively acquiring delay estimation prior information of the Doppler fetal heart sound signals, uterus noise signals of the mothers and abdominal aorta sound signals of the mothers; performing k-level signal differential operation on the prior information; performing linear irrelevancy processing on the prior information; solving optimization problems to obtain weight vectors; respectively creating Vandermonde equation sets, solving the Vandermonde equation sets and determining delay of the various signals; acquiring delay of interference signals of the mothers; extracting Doppler fetal heart sound signals from the acquired signals by the aid of a single-channel blind separation process on the basis of oblique projection to acquire the pure Doppler fetal heart sound signals. The k is a positive integer. The method has the advantages that the method is applicable to extracting the Doppler fetal heart sound signals during fetal health condition examination, and the interference signals of the mothers can be effectively separated from the signals.

The invention provides a wearable low-power-consumption fetal heart monitoring system which comprises a fetal electrocardio acquisition unit, an intelligent terminal and a server unit. The fetal electrocardio acquisition unit is connected with the intelligent terminal in a Bluetooth transmission mode, and the intelligent terminal is connected with a server platform in a wired or wireless mode. The wearable low-power-consumption fetal heart monitoring system is small in size, convenient to carry and capable of continuously monitoring the fetal health; an intelligent display terminal displays the activity condition of the fetal heart, the server platform feeds back the diagnosis result to the intelligent display terminal, and thus the fetal monitoring is not limited by regions.

The invention discloses nutrient oil as well as preparation and application thereof, and belongs to the technical of grease processing. The nutrient oil is applicable to pregnant women and infants since 2-3.5% of DHA (Docosahexaenoic Acid) algal oil is added into plant oil; or the nutrient oil is applicable to the old since 2-3.5% of DHA algal oil and 2-3.5% of arachidonic acid oil is added into the plant oil. Materials of the nutrient oil are prepared according to formulae and are stirred and mixed at certain temperature and pressure, and thus a product, namely the nutrient oil, is prepared. For pregnant women, the nutrient oil disclosed by the invention is capable of promoting healthy development of fetuses, reducing the probability of postnatal depression, and increasing the content of DHA in breast milk. For infants and children, brain and eyesight development can be promoted, the sleep quality can be improved, the attention and the learning capability can be improved, and muscle and organ development can be promoted. For the old, angiocarpy health can be improved, grease and sugar metabolism can be regulated, the risk of senile cognitive competence and eyesight degradation can be reduced, tumor can be prevented, and postoperative rehabilitation can be promoted.

A system for monitoring fetal wellbeing over time during pregnancy includes a sensor coupled to a pregnant woman; a processor communicatively coupled to the sensor; and a computer-readable medium having non-transitory, processor-executable instructions stored thereon. Execution of the instructions causes the processor to perform a method including: acquiring a signal from a sensor; processing thesignal to identify and extract a parameter of interest from the signal; and analyzing the parameter of interest to determine a degree of fetal wellbeing. The parameter of interest may include one or more of: an average fetal heart rate, an average fetal heart rate variability, a fetal kick or movement count, an average placental oxygenation level, an average placental temperature, an average placental pH, an average amount of amniotic fluid, a fetal heart rate profile, a fetal heart rate variability profile, and a fetal movement profile.

The invention belongs to the technical field of medical instruments and discloses a UC (uterine contraction)-triggered FHR (fetal heart rate) detection type FHR monitoring system. The UC-triggered FHR detection type FHR monitoring system comprises FHR detection components, intelligent display terminals and a server platform. Each FHR detection component comprises a wireless communication module, a UC pressure detection device and a FHR detection device. Self-triggered by the UC, the FHR detection detects FHR signals and then stops detection after detection time is over. Each intelligent display terminal receives detected CU pressure signals and the FHR signals, displays those on a display screen and sends the received signal data to the server platform. The server platform receives, saves and displays the signal data. A diagnosing module diagnoses and analyzes the received signal data and performs the feedback of a diagnosing result to the intelligent display terminal. By the use of the UC-triggered FHR detection type FHR monitoring system, damages, caused by long-term ultrasonic radiation, to the fetal health are avoided. The UC-triggered FHR detection type FHR monitoring system is small in size, convenient to carry and free of manual operation and allows fetal monitoring to be free of geographical limitations.

Methods and spectra for monitoring fetal growth and predicting birth weight of an infant prior to birth are provided wherein one or more selected biological markers are measured in a sample of amniotic fluid obtained from a pregnant woman. Levels of the selected biochemical markers and / or spectra correlate with one or more medical conditions, such as fetal growth and birth weight of the infant, and gestational diabetes. A measurement probe for in situ measurement can be used safely and repeatedly. Monitoring and / or treatment of maternal and fetal health is also provided.

A method for monitoring fetal health. The method of the present disclosure comprises transmitting (100) an ultrasound signal from an at least one transducer element in an array towards a maternal abdomen. An at least one ultrasonic echo signal corresponding to an at least one depth of the maternal abdomen is then received (102) by the at least one transducer element. The at least one Doppler signal is determined after the echo is received by the at least one transducer element is then processed (104) in an at least one channel. A multidimensional map is then generated (106) from the processed Doppler signal. A feedback (114) to reposition the at least one transducer element is then provided when the fetal heart is determined to lie outside an ultrasound beam volume.

The invention discloses a fetal health detection belt. The fetal health detection belt comprises a main body part, and a fixing part used for fixing the fetal health detection belt to the abdomen of a pregnant woman, wherein the main body part comprises an ultrasonic sensor, at least one electrocardiogram sensor and a microcontroller; the microcontroller comprises a control module, a signal processing module and a data transmission module; the control module is connected with the ultrasonic sensor through signals; the ultrasonic sensor transmits a position signal to the control module after sensing the position of the heart of a fetus; the control module transmits a detection signal to a corresponding electrocardiogram sensor after receiving the position signal; the corresponding electrocardiogram sensor begins to detect an electrocardiosignal; the signal processed through the signal processing module is transmitted to a cloud through the data transmission module. Fetal health data quality detected through the fetal health detection belt is higher and more accurate.

A system for monitoring fetal wellbeing over time during pregnancy includes a sensor coupled to a pregnant woman; a processor communicatively coupled to the sensor; and a computer-readable medium having non-transitory, processor-executable instructions stored thereon. Execution of the instructions causes the processor to perform a method including: acquiring a signal from a sensor; processing the signal to identify and extract a parameter of interest from the signal; and analyzing the parameter of interest to determine a degree of fetal wellbeing. The parameter of interest may include one or more of: an average fetal heart rate, an average fetal heart rate variability, a fetal kick or movement count, an average placental oxygenation level, an average placental temperature, an average placental pH, an average amount of amniotic fluid, a fetal heart rate profile, a fetal heart rate variability profile, and a fetal movement profile.

The present invention discloses a method to identify biomarkers of fetal health status from foreign organism such as a virus, a bacterium, a fungus and a parasite, and uses thereof for noninvasive determination of fetal health status. And the present invention also provides a system and a kit which are used in the method.

The invention relates to a Perilla frutescens health wine for preventing miscarriage. The Perilla frutescens health wine for preventing miscarriage is produced by grinding the following herbs (based on the formula amounts) into 40-50 mesh powders: Perilla frutescens 27 parts, Cuscuta chinensis seed 12 parts, Radix Inulae (Inula helenium and / or Inula racemosa) 14 parts, Boehmeria nivea root 15 parts, Scutellaria baicalensis 14 parts and Eucommia ulmoides 18 parts; mixing thoroughly to obtain a medicinal powder mixture; adding the medicinal powder mixture into 0.5 kg of 50% (v / v) Chinese liquor and soaking for 1-2 days; performing percolation, centrifuging to remove solid residues and collecting percolate; and adding the percolate together with honey into grape wine and standing for 2-3 months. The production of the Perilla frutescens health wine for preventing miscarriage needs simple equipment. The Perilla frutescens health wine for preventing miscarriage is an irritation-free fresh and sweet liquid, has the effect of preventing miscarriage, and helps prevent miscarriage and improve fetal health in pregnant women.

A method for monitoring fetal health is provided. The method of the present disclosure comprises transmitting (100) an ultrasound signal from an at least one transducer element in an array towards a maternal abdomen. An at least one ultrasonic echo signal corresponding to an at least one depth of the maternal abdomen is then received (102) by the at least one transducer element. The at least one Doppler signal is determined after the echo is received by the at least one transducer element is then processed (104) in an at least one channel. A multidimensional map is then generated (106) from the processed Doppler signal. A feedback (114) to reposition the at least one transducer element is then provided when the fetal heart is determined to lie outside an ultrasound beam volume.

A wearable sensor apparatus is disclosed that includes a flexible substrate adapted to be coupled with a skin surface of an expectant mother. A conductor is disposed on the flexible substrate. The conductor can include micron-scale invaginations. The conductor can be capable of repeatable variation in resistance when subject to a strain. Also disclosed is a system for monitoring the health of a fetus in utero that includes a wearable sensor apparatus. The wearable sensor apparatus is configured to output a signal responsive to an electrical input. The system includes a computing system with one or more hardware processors. The computing system is programmed to implement a signal processing module configured to access the output signal from the wearable strain gauge and generate an output indicative of health of the baby in utero. The output can be based in part on the received output signal and previously stored correlations between signal data from the wearable strain gauge and observations of the system or of the mother. A user interface module can be provided and can be configured to display an output indicative of health of the baby in utero.

The invention provides a wearable fetal heart detection system, which comprises: a wearable body worn on an artery part of a pregnant woman through a wearable component; a display part arranged at the top of the wearable body; a circuit board arranged in the wearable body, wherein at least one pulse signal collecting component is arranged on the side, away from the display component, of the circuit board and used for collecting pulse signals of the artery part; and a processor connected with the display component and the pulse signal acquisition component, wherein a deep learning network is carried in the processor, and the processor is used for processing the pulse signal to obtain a fetal heart signal of the pregnant woman and sending the fetal heart signal to the display component to be displayed. The fetal heart detection system has the advantages that the acquired pulse signals are processed to obtain the fetal heart signals, fetal heart detection can be performed for a long time according to requirements, and influence on fetal health is avoided to the greatest extent.

The invention discloses concentrated whey yak milk protein powder suitable for pregnant women and a preparation method thereof especially for the pregnant women, and belongs to the technical field ofnutrition and health food. The formula of the concentrated whey yak milk protein powder is rich in nutrient such as protein, vitamin and mineral substance required by the pregnant women, and can not only supplement nutrition and enhance physical fitness for the pregnant women, but also protect fetal health and development. Folic acid contributes to normal development of the brain and nervous system of a fetus and formation of red blood cells; vitamin D can promote calcium absorption and enhancephysical fitness; lactoferrin can improve the immunity of the pregnant women and reduce the risk of disease; casein phosphopeptides can promote full absorption of proteins and repair human cells. The nutrients are reasonably proportioned, the pertinence is high, the synergy effect is obvious, and themarket gap is filled.

The invention belongs to the technical field of maternal and infant monitoring, and particularly relates to a fetal health early warning system and method. the fetal health early warning system comprises a mathematical analysis model establishing module and a data analysis module; the mathematical analysis model establishing module is used for collecting the data of a fetal heart measuring instrument and establishing a mathematical analysis model; the data analysis module is used for achieving an output value closer to a target value according to the established mathematical analysis model byutilizing the data mining technology and giving the fetal health early warning information according to the fetal heart rate data, wherein the fetal heart rate data is the fetal heart rate deceleration data, which includes a variable deceleration reduction amplitude and a variable deceleration duration of a the fetal heart rate. The system can more accurately predict the fetal health, and give early warning information to the fetal health in time so as to guarantee the safety of the fetus.

The invention discloses fetal health data monitoring equipment, which comprises a flexible substrate, a main magnetostrictive film, a plurality of compensative magnetostrictive films, a main inductioncoil and compensative induction coils. The main magnetostrictive film is attached to the flexible substrate, the compensative magnetostrictive films are attached to the flexible substrate and positioned around the main magnetostrictive film, and the main induction coil and the compensative induction coils are positioned on the main magnetostrictive film and the compensative magnetostrictive filmsrespectively and connected to an input port of a controller. A hardware module of the controller comprises an input port, a signal amplifier, a current stabilizer, an A / D converter and a single-chipmicrocomputer board in sequential wire connection. A Bluetooth signal emitter and a buzzer are connected to the single-chip microcomputer board through wires, and the controller is further connected with a button cell through a wire. The fetal health data monitoring equipment is capable of automatically monitoring fetal movement data.

The invention discloses a composite additive for improving reproductive performance of female raccoon dogs. The composite additive is fed in a mating period, can enhance ovarian function, promote follicle development and maturation, effectively reduce the phenomena of estrus retardation, non-concentration, unconspicuousness, no ovulation, missed mating and the like of female raccoon dogs, and improve the mating rate and reproductive rate of female raccoon dogs. After mating, the additive is fed, luteinizing in bodies of the female animals is promoted, implantation of fertilized eggs is promoted, the phenomena that the fertilized eggs are not implanted, false pregnancy occurs, nonpregnant occurs, embryonic absorption occurs and the like are prevented and reduced, and the pregnancy rate andthe farrowing rate of the female animals are increased; the late pregnancy period is the highest nutritional requirement period of the fetus, and the product can promote the nutritional absorption ofthe fetus and ensure the healthy development of the fetus, thereby reducing the occurrence of dead fetus, rotten fetus, dystocia, abortion, weak cubs and the like; and when the product is continuouslyused in the lactation period, female animals can be promoted to secrete milk, the lactation yield is increased, the lactation period is prolonged, and the phenomena of weak piglets, turning around and the like caused by hypogalactia are reduced, so that the survival rate, the healthy piglet rate and the uniformity of the piglets are improved.

The invention discloses a fetal health monitor based on multi-channel passive signal collection, a reference signal collection device for collecting reference signals generated by pregnant women's heartbeat and breathing; a fetal signal collection device for collecting fetal signals; a hand-held control host computer for calculating Obtain the fetal heart rate; extract the reference signal S 0 According to the time-frequency characteristics, a band-pass filter is established to remove the interference signals generated by the pregnant woman's heartbeat and respiration, the threshold filtering method is used to remove the interference signals caused by the pregnant woman's physical activities in the fetal signal, and the fetal movement characteristics are extracted by cross-correlation analysis signal and calculate the number of fetal movements; realize the storage, filtering, feature extraction and analysis of reference signals and fetal signals, and display the monitored fetal heart rate and fetal movement times. The present invention can be worn on the body of a pregnant woman in a portable manner to realize high-precision fetal heart rate monitoring and fetal movement counting, and the pregnant woman can know the health status of the fetus at any time.

The invention discloses a method for extracting Doppler fetal heart sound signals on the basis of delay estimation. The method includes steps of acquiring abdominal ultrasonic Doppler echo signals of mothers; respectively acquiring delay estimation prior information of the Doppler fetal heart sound signals, uterus noise signals of the mothers and abdominal aorta sound signals of the mothers; performing k-level signal differential operation on the prior information; performing linear irrelevancy processing on the prior information; solving optimization problems to obtain weight vectors; respectively creating Vandermonde equation sets, solving the Vandermonde equation sets and determining delay of the various signals; acquiring delay of interference signals of the mothers; extracting Doppler fetal heart sound signals from the acquired signals by the aid of a single-channel blind separation process on the basis of oblique projection to acquire the pure Doppler fetal heart sound signals. The k is a positive integer. The method has the advantages that the method is applicable to extracting the Doppler fetal heart sound signals during fetal health condition examination, and the interference signals of the mothers can be effectively separated from the signals.