46 results about "Fetal movement" patented technology

The invention relates to the technical field of biomedical signal processing, and particularly discloses a fetal growth and development detection method and system based on intellectualization, and the method comprises the steps: obtaining a mixed physiological signal and a fetal movement signal, obtaining a fetal movement interference coefficient and an interference peak period through cross-correlation analysis, constructing an artifact monitoring vector, and predicting a signal deterioration probability; artifact separation is carried out; distinguishing physiological and non-physiological types of the artifact signal, and extracting a signal degradation event; and if the degradation event exists, analyzing a conduction relationship between the event and equipment sampling parameters through a rule engine, generating a main conduction path, constructing an artifact strategy mapping model, and outputting a parameter correction rule. The system comprises a fetal movement analysis module, an artifact separation module, a degradation analysis module and an equipment correction module. According to the method, the multi-dimensional feature analysis and the intelligent model are combined, so that the fetal physiological signal purity and the anomaly detection accuracy can be improved.

The invention belongs to the technical field of medical equipment, and particularly discloses a pregnancy monitoring method and system based on multi-mode signals, and the method comprises the following steps: synchronously collecting multi-mode physiological signals of a fetus and a maternal body; based on the synchronously collected multi-modal physiological signals, multi-channel feature extraction is carried out; on the basis of the extracted multi-channel features, screening out a feature subset with the most discriminant ability by using feature engineering; and inputting the feature subset into a pre-trained machine learning model, and outputting starting and ending of single fetal movement time, duration, fetal movement type and strength and maternal physiological features. By adopting the technical scheme, multi-mode synchronous acquisition is realized, high-sensitivity and high-specificity detection on fetal movement events and physiological characteristics and states of a mother are realized by adopting a characteristic engineering and machine learning model, non-invasive and harmless real-time monitoring on health conditions of the fetus and the mother is realized, and when the mother or the fetus is abnormal, intelligent remote alarm is realized, so that the safety of the fetus is improved. And a guarantee can be better provided for the health of fetuses and maternal bodies.

The invention discloses a preparation method of a medicinal and edible traditional Chinese medicine composition for preventing and treating pregnancy complications. The medicinal and edible traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 24 parts of radix rehmanniae, 12 parts of fructus gardeniae and 9 parts of folium mori. The composition embodies the essence of compatibility of monarch, minister, assistant and guide of a traditional Chinese medicine compound, the radix rehmanniae is used as a monarch drug, the fructus gardeniae is used as a minister drug, the folium mori is used as an assistant drug, and the composition is mainly characterized by nourishing the kidney, containing wood, clearing away fire, calming the liver and lightly dredging upper jiao and exactly conforms to the core pathogenesis of yin deficiency and yang hyperactivity of gestational hypertension. Modern pharmacological experiments prove that the three traditional Chinese medicinal materials all have definite antihypertensive activity, and the action mechanism shows the characteristic of multi-target synergism. The raw materials in the formula are homologous in medicine and food, free of toxic and side effects, mild in medicine property and capable of considering fetal elements, the three medicines all belong to clinical common miscarriage prevention or miscarriage prevention categories, worries about blood breaking and fetal movement are avoided, and the traditional Chinese medicine is suitable for being used in the pregnancy stage. The pharmaceutical composition disclosed by the invention can be used for relieving clinical symptoms of hypertensive patients in pregnancy and improving the outcome of bad pregnancy.

The invention relates to the technical field of fetal intrauterine early warning, and discloses a fetal intrauterine distress accurate early warning system based on sensor fusion, which comprises a detection module implanted into the body of a user and used for acquiring key physiological information such as myoelectricity fluctuation, vital signs, fetal movement frequency and fetal position parameters of an abdominal area of a pregnant woman in real time; the central control module serves as a core processing unit, fuses multi-source data, and calculates a scoring index representing the fetal intrauterine distress state by using an algorithm model. The early warning module judges the risk level according to the score, and timely sends early warning information to a medical reception system or a user terminal through a built-in communication module, thereby achieving the dynamic monitoring and real-time early warning of fetal intrauterine distress. Through in-vivo multi-sensor fusion and an intelligent scoring mechanism, accurate and real-time monitoring and graded early warning of fetal intrauterine distress are realized, and the accuracy of risk identification and the timeliness of early warning response are remarkably improved.

The invention relates to the technical field of maternal movement detection, and discloses a maternal movement detection method and device, maternal monitoring equipment and a storage medium. The invention provides a maternal-fetal movement detection method, which is applied to maternal-fetal monitoring equipment, and comprises the following steps: collecting an abdominal wall surface electric signal of a maternal body in a detection time period, and detecting an abdominal state of the maternal body; fetal movement signals in the abdominal wall surface electric signals are recognized, and a mother fetal detection result is determined; if the detection time period comprises a target local detection time period, the maternal and fetal detection result in the target local detection time period is corrected, and the target local detection time period is the local detection time period when the abdomen state is in the motion state; and displaying the mother tire detection result in the detection time period. Through the mother fetal movement detection method provided by the invention, the safety of a mother fetal monitoring environment can be ensured, and the fetal movement condition can be reflected more objectively, so that the accuracy of a mother fetal detection result is ensured.

A method (100) of detecting fetal movements includes: deriving a plurality of peaks from the Doppler ultrasound signal acquired from a subject, each peak of the plurality of peaks being associated with an envelope of a signal segment of the Doppler ultrasound signal; calculating a density of the peaks as a function of a plurality of amplitude grids, the density indicating the number of peaks with amplitude in each amplitude grid; selecting a fetal movement threshold based on the calculated density, and determining whether a signal segment of the Doppler ultrasound signal includes a fetal movement by comparing the amplitude of the peak associating with the envelope of the signal segment with the fetal movement threshold.

The application provides a wearing device based on promoting fetal movement and inducing fetal movement track, which comprises a wearable flexible base, an array of sound pickups, a sound collection detection module, a sound fetal education storage and playing module, an illumination fetal education LED lamp array, a system control module and a system power module are arranged on the wearable flexible base; the array of sound pickups is used for collecting fetal sound and fetal movement signals, converting the fetal sound and fetal movement signals into voltage signals that can be processed by a later unit, and sending the signals to the sound collection detection module.

The utility model discloses a portable remote fetal heart monitoring device which comprises a waistband, one side of the waistband is fixedly connected with a monitoring assembly, one end of the waistband is connected with a retaining ring in a sleeved mode, and the retaining ring is internally connected with an adjusting assembly in a sleeved mode. The adjusting assembly comprises a fetal heart monitor. According to the portable remote fetal heart monitoring device, due to the arrangement of the braid, the fetal heart monitor can be tightly attached to the abdomen of a pregnant woman and can be flexibly adjusted along with breathing and fetal movement of the pregnant woman, monitoring inaccuracy or discomfort caused by too tight or loose fixation is avoided, and the whole device is compact in structure, light, convenient to carry and high in practicability. By pulling the fetal heart monitor left and right, the fetal heart monitor can be moved so as to find the optimal position for detecting the fetal heart, and when the fetal heart monitor is used, the braid should be ensured to be flat and free of wrinkles and can be properly adjusted according to the size and shape of the abdomen, so that the monitoring effect is prevented from being influenced, and the monitoring effect can be further improved; and the practicability of the monitoring device is improved.

The utility model provides a fetal movement monitoring patch, and belongs to the technical field of life health. According to the utility model, the circuit layer is arranged on the sensing layer with the plurality of piezoelectric sensors, the connecting wires extending towards each piezoelectric sensor are arranged in the circuit layer, each piezoelectric sensor is provided with the power connection electrode, and each connecting wire is provided with the matching electrode corresponding to the power connection electrode. The side, away from the circuit layer, of the sensing layer is provided with the pasting layer, the sensing layer is directly pasted to the abdomen of a pregnant woman through the pasting layer, other wearing tools are not needed, constraint to the abdomen of the pregnant woman is reduced, the use safety and convenience are improved, overall outer side protection is achieved by covering the circuit layer with the appearance layer, the durability is better, and the service life of the pregnant woman is prolonged. And the service life is longer. And the power connection electrode is detachably connected with the matching electrode, so that the sensing layer can be replaced when the monitoring accuracy, stability and safety are insufficient due to long-time use, the structure is more flexible, and the use cost is lower.

The invention provides a wireless sensor system for monitoring fetus intrauterine activities, and belongs to the technical field of collection and monitoring of biological measurement signals, and the system comprises a signal collection module which is used for synchronously collecting abdomen multi-dimensional biological field signals through a heterogeneous biosensor array, and generating an original data stream; the model construction module is used for extracting fetal movement associated feature subspaces and constructing a space-time cause and effect diagram; the intelligent decision-making module is used for determining a fetal movement credibility index and determining an abnormal level through a preset multi-agent decision-making system; the parameter updating module is used for sending the fetal movement credibility index and the abnormal level to a hospital verification node and obtaining feedback data corrected by a doctor so as to update parameters of the space-time cause and effect graph and a preset fetal movement knowledge graph; and the parameter correction module is used for projecting a holographic fetal movement map on the flexible electronic skin interface and acquiring an electromyographic signal adjusted by a pregnant woman to correct the fetal movement credibility index and the abnormal level. And the credibility and reliability of fetal movement monitoring are improved.

The application provides a dynamic modeling method and system for multi-field skill AI automatic semantic labeling, and relates to information retrieval, medical health and cross-field skill fusion scene. Through nonlinear dynamic modeling and biomedical stability control, the semantic label automatic generation and real-time matching of talent skill and health intervention effectiveness are realized. The application innovatively integrates the sound wave frequency of fetal brain promoting music method, maternal action instruction and blood type nutrition scheme into the "skill-time" frequency domain space, combines the Gevrey smoothing operator and fractional derivative evolution equation, accurately separates the temporary fetal movement fluctuation and low-frequency core characteristics, and breaks through the characterization limitation of traditional models on nonlinear biological coupling effect. By introducing the "intervention effect-time" frequency domain component and local dependency constraint, the short-term effectiveness and long-term value of music intervention on fetal neurodevelopment are quantified, and the model distortion problem caused by extreme data or cross-field parameter resonance in traditional methods is solved.

This invention relates to the field of medical monitoring equipment technology, and discloses a wearable device for dynamic electrocardiogram (ECG) monitoring of pregnant women. The device includes a wearable base and an ECG acquisition component, a signal processing unit, and a power supply module mounted on the wearable base. The ECG acquisition component and the signal processing unit are electrically connected. The wearable base includes an upper fixing strap, a lower fixing strap, and a flexible mesh support base fixedly connected between the upper and lower fixing straps. The ECG acquisition component includes at least one ECG electrode and a fixing base. A temperature-sensing control component is disposed inside the ECG electrode. The ECG electrode is attached to one side of the pregnant woman's abdominal skin, and the side of the ECG electrode closest to the pregnant woman's skin has a concave arc-shaped portion adapted to the contour of the pregnant woman's abdomen. The fixing base is located on the side of the flexible mesh support base opposite to the skin. This device improves the accuracy and stability of acquiring weak fetal ECG signals through the temperature-controlled arc-shaped electrode adapted to the pregnant woman's abdomen and the detachable mesh base, simultaneously realizing fetal movement sensing.

The invention discloses a maternal and child internet-of-things equipment data transmission safety protection and abnormity monitoring method and system, and belongs to the technical field of medical internet-of-things safety, and the method comprises the steps: S10, carrying out risk monitoring on related data, including fetal heart monitoring data, dividing the fetal heart monitoring data into fetal movement data, uterine contraction pressure data and fetal heart rate variation data; and S20, risk monitoring is carried out, related information corresponding to the fetal movement data, the uterine contraction pressure data and the fetal heart rate variation data is obtained, the related information comprises text features and byte capacity, and the fetal movement data, the uterine contraction pressure data and the fetal heart rate variation data tampered by an attacker are collected from the text features and the byte capacity. According to the method, data tampering attacks can be effectively identified and defended, meanwhile, the integrity of high-level importance data is guaranteed, the safety of data transmission and the accuracy of anomaly monitoring are improved, and effective safety protection is provided for data protection in the field of medical Internet of Things.

This invention discloses a method and related equipment for predicting and intervening in the risk of stillbirth related to umbilical cord torsion. The method acquires multimodal clinical data, including the pregnant woman's complaints and prenatal ultrasound examination information, and standardizes the data to extract core predictive factors such as changes in fetal movement, signs of umbilical cord root torsion, and fetal growth restriction, as well as auxiliary predictive factors such as abnormal amniotic fluid volume and abnormal placental-umbilical cord insertion, constructing a feature vector that the model can process. Based on a pre-trained risk prediction model, the risk of stillbirth related to umbilical cord torsion is quantitatively assessed, a comprehensive risk score is output, and risk levels are classified. Based on the risk level, a pre-set clinical intervention strategy is automatically matched to form standardized treatment recommendations, which are then output to the clinical terminal. This method overcomes the limitations of traditional methods that rely on low sensitivity of single ultrasound diagnosis, achieving early risk identification and tiered management.

The invention relates to the technical field of fetal movement simulation, and discloses a portable fetal movement simulation and health assessment integrated system which comprises a wearing part fixed to the body of a user through a connecting hasp, and a simulation part arranged on the side away from the body and internally provided with a fetal movement and fetal heart simulation module and a voice analysis module. The system generates fetal movement simulation actions through a predetermined instruction, collects environment voice, and extracts voice semantics and action languages. The simulation unit evaluates the health state of the fetal movement simulation on the basis of the relationship between semantics and actions. And the early warning module is arranged in the simulation part, generates early warning notification information according to the health assessment result, and gives an alarm in a sound mode when an abnormality is diagnosed, so that the integration of simulation, analysis and early warning is realized. According to the system and the method, fetal movement simulation, voice semantic analysis, health early warning and health assessment are integrated, and the intelligent interactivity of fetal movement simulation and the real-time performance and accuracy of health monitoring can be improved.

Various arrangements for performing contactless fetal movement tracking are detailed herein. User input can first be received from an expectant mother requesting that contactless fetal movement monitoring be performed. A state analysis on the expectant mother may be performed to determine that the expectant mother is present and static in a bed at which the contactless fetal movement tracking device is pointed. Fetal movement tracking may be performed using radar data received from a radar sensor of the contactless fetal movement tracking device while the state analysis indicates that the expectant mother is present and static in the bed. A fetal tracking report may then be presented based on the performed fetal movement tracking.

The invention relates to the field of medical image processing, in particular to a congenital heart disease four-dimensional echocardiogram dynamic segmentation system, which acquires four-dimensional echocardiogram data of a fetal heart through an image acquisition module, corrects fetal movement artifacts by an optical flow field correction module by using an optical flow field time sequence analysis technology, improves the image quality, and improves the segmentation accuracy of the fetal movement artifacts. The heart structure time sequence alignment module is used for aligning a heart structure and extracting a ventricular septal defect area through a multi-scale similarity transformation strategy, the defect analysis module is used for calculating the edge line diameter and the shunt direction of a defect part and generating defect parameter information, and the result output module is used for generating a congenital heart disease screening report. And a foundation is laid for subsequent analysis, and the defect part is kept at a stable position in a time sequence by accurately aligning the heart structure, so that accurate analysis is facilitated.

The invention relates to the technical field of fetal heart monitoring, in particular to wearable fetal heart monitoring equipment which comprises an arc-shaped base plate, a positioning frame is rotatably connected to the inner side of a mounting ring groove, a massage contact blade is fixedly mounted on the back face of the positioning frame, and a micro motor is fixedly mounted on the inner front wall of the mounting ring groove. And a heating ring is fixedly connected to the interior of the positioning cylinder, and a micro air fan is movably installed at the rear end of the positioning cylinder. According to the wearable fetal heart monitoring equipment and the use method thereof, by adjusting the rotating speed of a micro motor, when the micro motor drives a positioning frame to rotate, the strength of a massage contact blade attached to the abdomen of a pregnant woman for light massage can be adjusted, and the vitality and fetal movement frequency of a fetus can be increased; meanwhile, the micro air fan is matched to blow air heated by the heating ring to the abdomen of the pregnant woman, the warm keeping effect is improved, and the comfort degree during wearing is further improved.

The utility model provides a modularized fetal movement sensor, and belongs to the technical field of life health. According to the utility model, the plurality of first connecting pieces are arranged on the outer side of the central processing part, each first connecting piece corresponds to the electrode part with the piezoelectric electrode, each electrode part is provided with the second connecting piece, and the connecting part is arranged between each first connecting piece and the corresponding second connecting piece; the connecting part is rotationally connected with the first connecting piece, and the connecting part is detachably connected with the second connecting piece, so that the modular arrangement of the structure is realized, the structural flexibility is better, a proper number of electrode parts can be selected to be connected with the central processing part according to fetal movement detection requirements of different pregnant women in different periods, in addition, the waste of resources is avoided, and the production cost is reduced. Meanwhile, the monitoring direction and angle of each electrode part can be adjusted through the rotation of the connecting part relative to the central processing part, so that the accuracy of the monitoring structure is improved, and the popularization and use of the product are facilitated.

1. Name of the product in this design: Ultrasonic Doppler Fetal Monitor (FS Series). 2. Purpose of this design: For continuous monitoring of fetal heart rate, fetal movement and maternal uterine contraction pressure during the perinatal period. 3. The key design features of this product are its overall shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: fetal Doppler instrument main machine and its main body. 2. The use of the design product: fetal Doppler instrument main machine is used to display the detected fetal movement and fetal heart information, play fetal heart sound, etc., and the part to be protected is the main body of the fetal Doppler instrument main machine. 3. The design points of the design product: the shape of design 1, 2, 3, and the shape of the solid line part of design 4. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: the part shown by the dashed line in design 4 is not required to be patented.

The present invention provides a monitoring method for monitoring fetal movement, including: S1: real-time monitoring to obtain pulse wave signals and electrocardiogram signals at the radial artery of the pregnant woman's wrist and sound signals within a preset range around the pregnant woman's belly; S2: filtering the pulse wave signal, the electrocardiogram signal and the sound signal to obtain corresponding denoised pulse wave signals, denoised electrocardiograms and denoised sound signals; S3: performing multi-dimensional feature analysis on the denoised pulse wave signal, the denoised electrocardiogram and the denoised sound signal to obtain corresponding fetal movement results; filtering the obtained pulse wave signal and electrocardiogram signal of the pregnant woman and the measured sound signals within a preset range around the pregnant woman's belly and performing multi-dimensional feature analysis, thereby realizing the judgment of the actual number of fetal movements without the participation of the pregnant woman and reducing the requirements for the environment, saving the pregnant woman's precious time.

Systems and methods for acquiring and processing data collected by a wearable device for monitoring fetal movements. The wearable device is wearable by the user. A sensor assembly includes at least one of Electrical Resistance Tomography (ERT) or Electrical Impedance Tomography (EIT) electrodes. The sensor assembly detects fetal movements by measuring changes in resistance or impedance. An electronics unit transmits current through the electrodes and collects measurements. A processing unit determines and displays a status of the fetus accordingly. The present disclosure offers high-resolution, continuous tracking in a comfortable design, providing detailed insights into fetal activity and health for comprehensive prenatal monitoring.

1. The name of this design product: the main body of the fetal Doppler device. 2. Purpose of the product of this design: The fetal Doppler host is used to display detected fetal movement and fetal heart information, play fetal heart sounds, etc. The part for which protection is requested is the main body of the fetal Doppler host. 3. The key design point of this design product lies in the shape of the part drawn with solid lines. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1. 5. Other matters requiring explanation: The dotted line indicates the portion that does not require protection.

The present application relates to the field of medical image processing, particularly to a four-dimensional echocardiogram dynamic segmentation system for congenital heart disease, which acquires four-dimensional echocardiogram data of a fetal heart through an image acquisition module, corrects fetal movement artifacts by using optical flow field time series analysis technology in an optical flow field correction module, improves image quality, aligns heart structures and extracts interventricular septal defect regions through a multi-scale similarity transformation strategy in a heart structure time series alignment module, calculates the edge line diameter and shunt direction of the defect site in a defect analysis module, generates defect parameter information, and generates a congenital heart disease screening report in a result output module, which effectively eliminates image artifacts caused by fetal movement, lays a foundation for subsequent analysis, and accurately analyzes by accurately aligning heart structures to keep the defect site in a stable position in the time sequence.

1. The name of this design product: Fetal movement probe. 2. Purpose of the product of this design: The fetal movement probe is used to form a fetal Doppler with other components of the fetal Doppler to detect fetal movement. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: Stereoscopic drawing 1.

1. Name of the designed product: fetal movement monitor belt (FM203L). 2. Use of the designed product: for monitoring fetal movement. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The invention relates to a preparation method and system of a multifunctional rubber-based flexible sensor for fetal movement monitoring, discloses an electromagnetic shielding material with Joule heat and sensing performance, and belongs to the technical field of vital sign monitoring. Comprising the following raw materials in parts by weight: 100 parts of natural latex; 1 part of potassium laurate; 0.25 part of potassium hydroxide; 1.25 parts of zinc diethyldithio amino acid formate; 1 part of sulfur; 1.5 parts of zinc oxide; 1 part of sodium alginate; and 6-15 parts of a multi-walled carbon nanotube. The preparation method comprises the following steps: S1, modifying the multi-walled carbon nanotubes; s2, pre-vulcanizing the natural latex; s3, blending the natural latex and the multi-walled carbon nanotubes; and S4, vulcanization molding. In addition, the invention further designs a fetal movement monitoring system which comprises a waist surrounding fixing belt, a sensing device, a control circuit and a data analysis platform. Different fetal movement frequencies can be recognized, and the state of a fetus is known.

Disclosed is a method of determining fetal movement during pregnancy or labour. The method comprises receiving patient data from measurements from a first sensor and a second sensor attached to a patient, each of the first and second sensors being selected from a set of sensor types consisting of an EMG (Electromyography) sensor, a flex sensor and an accelerometer, the patient data from the second sensor allowing detection of fetal movement when physiological signals impede detection of the fetal movement in the patient data from the first sensor, wherein the first sensor is a different sensor type from the second sensor. The method also comprises determining that fetal movement has occurred by processing the received patient data from the first and second sensors in order to indicate the determined fetal movement.

The invention discloses a household monitoring and alarming system for self-testing fetal movement and fetal heart. According to the system, fetal movement and fetal heart rate can be monitored in real time, and it is ensured that a mother can know the condition of a fetus at any time. The system adopts a Bluetooth or Wi-Fi technology to wirelessly transmit data to a smart phone or other equipment, so that a mother can conveniently check and store the data. An intelligent algorithm is built in the system to analyze fetal movement and fetal heart data, and if abnormity is detected, the system needs to remind a pregnant woman in time and suggest to see a doctor. The system can store historical monitoring data, a doctor can conveniently carry out long-term trend analysis, a user support module in the system provides online or telephone customer support and use tutorial and health education information, pregnant women are helped to better understand and use the device, and therefore the convenience and rapidness of the whole system during use are improved, and the system is suitable for popularization and application. Therefore, anxiety of the pregnant woman can be reduced, the pregnant woman can see a doctor in time when problems are found, and prenatal and postnatal care can be promoted.