149 results about "Fetal heart monitoring" patented technology

A fetal heart monitoring system preferably comprising a backing plate having a generally concave front surface and a generally convex back surface, and at least one sensor element attached to the concave front surface for acquiring acoustic fetal heart signals produced by a fetus within a body. The sensor element has a shape that conforms to the generally concave back surface of the backing plate. In one embodiment, the at least one sensor element comprises an inner sensor, and a plurality of outer sensors surrounding the inner sensor. The fetal heart monitoring system can further comprise a web belt, and a web belt guide movably attached to the web belt. The web belt guide being is to the convex back surface of the backing plate.

The invention relates to an extensible human parameter monitoring and recording system, comprising a personal monitoring terminal, a remote server, a cloud server, a remote analysis server, a health data server, a remote alarm monitoring module and a remote consultation module, wherein the personal monitoring terminal is used for acquiring body related data of a user wearing the system, and specifically comprises a sleep monitoring module, a dynamic ECG (Electrocardiograph) module, a dynamic blood pressure module, a fetal heart monitoring module, a body temperature monitoring module, a blood oxygen monitoring module and a blood sugar monitoring module; the remote server is used for receiving monitoring parameters of the personal monitoring terminal; the cloud server is used for receiving and analyzing data of the remote server; the remote analysis server is used for analyzing the statistical result of the cloud server and improving the living habit of a user; the health data server is used for storing testing data of a user; the remote alarm monitoring module is used for monitoring the health parameters of the user, and when an unusual condition occurs suddenly, a first-aid unit can be informed; the remote consultation module is used for sending the data of the user to relevant specialized personnel, and providing online consulting services. All functional modules are mutually compatible, the use cost is reduced, the relevant data can be deeply analyzed, a real-time monitoring and consultation service can be provided, and great conveniences are brought to the user.

The invention discloses an algorithm for automatically recognizing a fetal heart rate baseline. The algorithm comprises the following steps: S1, collecting fetal heart rate signals; S2, performing curve optimization to the collected fetal heart rate signals; S3, performing feature extraction to the fetal heart rate signal curve after optimization, and clustering the extracted feature points into two feature parts through a clustering analysis algorithm; S4 distinguishing the two feature parts into a baseline part and a non-baseline part according to the distinguishing conditions; and S5, performing smooth filtering to the recognized baseline part to obtain the final estimated fetal heart rate baseline. The algorithm for automatically recognizing the fetal heart rate baseline can determine the fetal heart rate baseline more accurately by combining the fetal movement information particularly under the condition of close results of clustering, provide more intelligent and more reliable fetal heart monitoring results for clinic, and can be widely applied to the fields of biomedical signal processing, artificial intelligence and electronic fetal monitoring.

The invention relates to a wireless fetal heart monitoring device, which comprises an ultrasonic sending module, an ultrasonic transducer, an ultrasonic demodulation module and a wireless communication module, wherein, the ultrasonic transducer is driven by the ultrasonic sending module to generate ultrasonic waves, and an ultrasonic echo wave signal can be received by the ultrasonic transducer and the scoustoelectric transformation of the ultrasonic echo wave signal is performed, the processed ultrasonic echo wave signal is input into the ultrasonic demodulation module and the demodulation process is performed, the fetal heart beat signal is extracted and then transmitted to a wireless receiving device of the fetal monitoring computer by the wireless communication module. Because the structure combines the wireless communication technology with the Doppler ultrasonic wave drive as well as the demodulation technology ingeniously, the fetal heart beat signal collecting device and the monitoring computer are separated, and a gravida is not constrained by the monitoring computer anymore, thereby making the movement to be free and convenient.

The invention provides an array fetal heart monitoring abdominal bandage based on a piezoelectric film sensor and relates to the field of monitoring on the heart of a fetus. The invention is used for solving the problems of serious error, 'invasion type' monitoring manner and low accuracy caused in the fact that a fetal heart sound stethoscope, an ultrasonic Doppler fetal heart sound instrument and a single sensor are used for fetal heart monitoring in the prior art. Magic pastes are respectively arranged at the two end parts of the abdominal bandage, and a piezoelectric film sensor array is arranged at the middle part of the abdominal bandage; a detection circuit is arranged on the abdominal bandage; and the detection circuit is composed of a preposed differential amplifying circuit, a filter circuit, an analog / digital conversion circuit, a DSP (digital signal processing) module, a storage module and an interface module. The adopted piezoelectric film sensor has the advantages of high response speed, high flexibility and good linearity, and high detection accuracy can be guaranteed; and the piezoelectric film sensor is light, soft and durable, so that the piezoelectric film sensor can be in fit with a human body well after being embedded into the abdominal bandage and a man-machine effect is good.

The invention belongs to the field of fetal heart monitoring and provides a Doppler ultrasonographic device and a Doppler ultrasonographic method for detection of fetal heart signals. The device comprises a quincunx ultrasonic sensor probe, a fetal heart signal acquisition module and a signal parameter processing module. The quincunx ultrasonic sensor probe comprises a first wafer and a plurality of second wafers surrounding the first wafer; the first wafer is used for transmitting and receiving ultrasonic signals in fetal heart searching and detecting; the second wafers are used for transmitting and receiving ultrasonic signals in fetal heart searching. The fetal heart signal acquisition module is connected with the quincunx ultrasonic sensor probe and the signal parameter processing module and used for acquiring signals received by the first wafer and the second wafers. The signal parameter processing module is used for calculating, judging and comparing the acquired signals to obtain fetal heart signals. The Doppler ultrasonographic device has the advantages that due to the specific probe structure, the fetal heart signals can be detected quickly and accurately, and safety and convenience in use are achieved.

The invention discloses a remote fetal heart monitoring system and method. The remote fetal heart monitoring system comprises a client terminal and a hospital terminal, wherein the client terminal comprises a fetus-voice meter and terminal control equipment, the terminal control equipment judges data which are initially collected by the fetus-voice meter to determine the starting time for fetal heart data collection, record the fetal heart data and fetal movement time points, and generate a corresponding examination report, and the hospital terminal manages user data and medical instrument information, carries out analysis and processing according to the examination report sent by the client terminal, and sends an analysis result and the advice given by a doctor to the client terminal through a central server. The remote fetal heart monitoring system and method have the advantages that due to the fact that the fetal movement and fetal heat data are collected after dirty data are filtered, accuracy of remote fetal heart detection is improved, and accurate judgment of the health status of a fetus is facilitated.

The present invention provides a method and apparatus for monitoring the fetal condition in an objective, quantitative, and non-invasive manner by enabling continuous and highly specific data collection during pre-natal development and the intra-partum period. In an embodiment, monitoring the fetal condition comprises monitoring a fetal heart rate, a fetal heart rate variability, and / or the fetal heart vector orientation of a fetus in a pregnant mother. Automated signal processing techniques are applied to a multiplicity of transducers to select an optimum signal vector to monitor at least one of a fetal heart rate, a fetal heart rate variability, and / or the fetal heart vector orientation of a fetus in a pregnant mother.

The invention provides a fetal heart monitoring device which comprises an ultrasonic probe, an information input module, an information processing module and an information display module, wherein the ultrasonic probe is used for probing fetal heart signals and enabling ultrasonic Doppler signals of fetal heart movement to be converted to audio frequency information to be outputted, the information processing module is used for calculating and processing user body information inputted through the information input module and fetal heart audio frequency information of a fetus-voice meter main body inputted through a communication unit to generate display information data, and the information display module is used for displaying display information generated by the information processing module. The display information comprises fetal heart position information obtained through calculation and processing of the information processing module according to a pregnancy cycle of a user. The fetal heart monitoring device can monitor the fetal hear rate of a fetus, can help a pregnant woman quickly and precisely find a fetal heart position in use, smoothly carries out fetal heart monitoring, and eliminates anxious and nervous moods of the pregnant woman.

An apparatus for detecting a fetal heartbeat includes circuitry to convert acoustic energy representative principally of a maternal heartbeat into a first electrical signal and circuitry to convert acoustic energy representative of a maternal heartbeat and a fetal heartbeat into a second electrical signal. The apparatus also includes circuitry to process the first and second electrical to provide an electrical signal principally representative of the fetal heartbeat and circuitry to determine pitch periods of the signal principally representative of the fetal heart beat.

The invention discloses a fetal heart monitoring apparatus and a fetal hear monitoring method. According to one embodiment, the fetal heart monitoring method includes: setting one of more than three monitoring probes as a transmitting probe and the others as receiving probes; using the transmitting probe to transmit ultrasonic wave; converting each ultrasonic wave received by the receiving probes into audio reflection digital signals; selecting one with highest signal-to-noise ratio from more than two audio reflection digital signals; using the receiving probe which receives the audio reflection digital signal with the highest signal-to-noise ratio, as an optimal monitoring channel, and using the optimal monitoring channel to receive fetal heart acoustic wave, and acquiring fetal heart rate based on fetal heart digital signals converted from the fetal hear acoustic wave. The fetal heart monitoring method according to the embodiment has the advantages that less radiation is caused to the human body during the fetal heart monitoring process, fetal heart measurement accuracy is guaranteed, and long-term fetal heart monitoring is achieved.

The invention relates to a method for improving fetal heart Doppler signal acquisition quality during fetal movement. The method comprises the following steps: in set time of a fetal heart monitoring process, performing calculation or processing on envelopes of acquired fetal movement Doppler signals, so as to obtain fetal movement characteristic values which represent the fetal movement condition; comparing the obtained fetal movement characteristic values with the size of preset fetal movement thresholds; if the fetal movement characteristic values are greater than or equal to the fetal movement thresholds, determining that a fetus is in a fetal movement period, and increasing the order of a low-frequency suppression filter in a fetal heart Doppler audio-frequency filter circuit; otherwise, determining that the fetus is in a non-fetal movement period, and reducing the order of the filter. The invention also relates to a device for realizing the method. The method and the device for improving the fetal heart Doppler signal acquisition quality during fetal movement have the following beneficial effects of eliminating the interference of the fetal movement signals on fetal heart Doppler signals to a certain extent and being relatively easy in subsequent processing.

The invention relates to a fetal heart monitoring data processing method, device, system, storage medium and computer equipment. The method comprises following steps: receiving fetal heart monitoringdata sent by a fetal heart monitoring device; selecting and obtaining a target data segment from the fetal heart monitoring data according to a preset algorithm; scoring the target data segment to obtain a scoring result; when the result of the scoring is abnormal, generating warning information according to the scoring result. The invention can improve the efficiency and accuracy of the interpretation of fetal heart rate monitoring data.

The invention provides fetal heart monitoring equipment. The fetal heart monitoring equipment is characterized by comprising a sensing node and a personal gateway, the sensing node does not actively emit ultrasonic waves to a fetus but passively collect sounds or vibration on the surface of the abdomen of a pregnant woman to acquire fetal heart signals, and sends the fetal heart signals to the personal gateway in a wireless manner, and the personal gateway is used for processing the fetal heart signals sent by the sensing node to acquire a fetal heart rate. By the fetal heart monitoring equipment, the pregnant woman can wirelessly monitor health status of the fetus at home by herself for a long time, and using passive-type fetal heart sound monitoring does not pose a threat to health of the fetus; and the fetal heart monitoring equipment is especially suitable for monitoring of high-risk pregnant women.

The invention discloses fetal heart monitoring equipment. The fetal heart monitoring equipment comprises a first communication interface, a data storage unit, a displayer and a data processor, wherein the first communication interface is suitable for being in communication with a fetal heart detector in a first communication mode; the data storage unit is suitable for storing fetal heart data information; the displayer is suitable for displaying the fetal heart data information; the data processor is suitable for receiving a fetal heart data package from the fetal heart detector through the first communication interface, and the fetal heart data information in the fetal heart data package is extracted, stored in the data storage unit and displayed on the displayer. The fetal heart data information comprises fetal heart rate data comprising a fetal heart rate, a self-correlation peak value and / or a peak value compared result, the data processor is used for displaying a heart rate value curve on the displayer according to the fetal heart rate, guide identification is displayed on the displayer according to the self-correlation peak value and / or the peak value compared result, and a user is conveniently guided to move the fetal heart detector. The invention further discloses a fetal heart monitoring system comprising the fetal heart monitoring equipment and a corresponding fetal heart monitoring method.

The invention discloses a passive fetal heart monitoring system based on an acoustic sensor, and belongs to the fetal heart monitoring technology. The monitoring system comprises an acoustic sensor directly or indirectly switched into a signal conditioning unit, the signal conditioning unit switched into a wireless transmitter, a wireless signal transmitter and intelligent terminal equipment, wherein the acoustic sensor is used for transmitting a collected heart sound signal to the signal conditioning unit; the signal conditioning unit is used for receiving a heart sound signal from the acoustic sensor and transponding the signal to the wireless signal transmitter; the wireless signal transmitter directly sends the heart sound signal to the intelligent terminal equipment; and the intelligent terminal equipment is used for detecting and recording the heart sound signal from the signal conditioning unit through an application program. Through adopting the acoustic sensor, a heart sound signal of a fetus is passively monitored on a belly of a gravida, so that ultrasonic radiation and worse user experience are eliminated; the passive fetal heart monitoring system is suitable for frequentative and repetitive examinations and household use, can also measure body temperature of the gravida at the same time, and is simple in structure, small in power consumption, low in use cost, and suitable for industrialized production, and facilitates popularization.

The invention relates to an intelligent fetal heart monitoring device for obstetrics and gynecology. The monitoring device includes a bedplate, a main machine, a pillow, a controller, a monitoring mechanism, two adjusting mechanisms and four legs. The adjust mechanism comprises a side plate, an adjusting unit, a lifting assembly, a lifting plate and a support plate. The adjusting assembly comprises a conveyor belt and two adjusting units. The adjustment unit includes a first motor, a bearing, a rotating shaft and drive wheels. The monitoring mechanism includes slide rails, Pan Component, translation block, slip ring, Monitoring module, collar and directional lever, The monitoring assembly includes a probe, air pump, Piston and adjusting unit, when the intelligent fetal heart rate monitoring device for obstetrics and gynecology is used, Pregnant women lie flat on the bedplate, and the sliding rail is controlled to move to the abdominal position of the pregnant women by the adjusting mechanism for convenient monitoring. Moreover, the direction and position of the probe are adjusted by the monitoring mechanism, and the probe is kept fixed after the probe is close to the abdomen of thepregnant women, so as to prevent shaking, thereby realizing the accurate monitoring of the fetal heart and improving the practicability of the equipment.

The invention is suitable for the technical field of medical signal processing, and provides a method and a device for outputting a fetal heart rate curve. The method comprises the following steps of according to an original signal collected by fetal heart monitoring equipment, generating the fetal heart rate curve; extracting the fetal heart rate curve within a specified period of time; measuring the baseline parameters of the fetal heart rate curve within the specified period of time, wherein the baseline parameters include fetal heart rate baseline values; simultaneously outputting the fetal heart rate curve and the measured baseline parameters. The method has the advantage that the baseline parameters of the fetal heart rate curve can be automatically measured, and the baseline parameters can be marked in a fetal heart rate curve diagram according to the measuring result, so the outputted fetal heart rate curve can visually and correctly display the various parameters of the fetal heart rate curve, and a medical staff can conveniently analyze the baseline of the fetal heart rate according to the outputted fetal heart rate curve, and the analysis accuracy of the fetal heart rate is improved.

The invention relates to an intelligent ultrasonic sensor for fetal heart monitoring. The intelligent ultrasonic sensor comprises an MCU (microprogrammed control unit) master control unit, an ultrasonic processing unit, a group drive unit, a chipset unit and a display unit, wherein the chipset unit comprises a plurality of chipsets and a fixing plate used for fixing and mounting the chipsets, and the chipsets are distributed in various positions of the fixing plate; the MCU master control unit is used for sequentially exciting the chipsets in various positions to transmit ultrasonic waves through the group drive unit until the ultrasonic processing unit acquires a corresponding demodulation filter signal when a chipset in a certain position receives the reflected ultrasonic waves, and the display unit is controlled according to the demodulation filter signal, so that the display unit displays a position indication corresponding to the position of the chipset in a certain position. The invention further discloses a monitoring method of the intelligent ultrasonic sensor for fetal heart monitoring. The power consumption of the product is low, and the position of the heart of a fetus can be positioned accurately.

An ultrasound adapter system for performing ultrasound scanning on a target area of a subject over an extended period of time includes a flexible membrane formed to define an interior enclosure and an exterior. The system also includes an ultrasound gel arranged in the interior of the flexible membrane and at least one opening formed in the flexible membrane to provide access to the interior and restricted from allowing the ultrasound gel to pass through the at least one opening. The system further includes a mounting system attached to the exterior of the flexible membrane proximate to the at least one opening. The mounting system includes a mounting adapter substantially surrounding the at least one opening and a set of adapters extending from the ring and configured to engage an ultrasound probe extending through the ring and the at least one opening and into the ultrasound gel and hold the ultrasound in a substantially fixed position in the ultrasound gel relative to the mounting system.

The invention relates to a flexible monitoring device and a fetal heart monitoring method based on the flexible monitoring device. The flexible monitoring device comprises a flexible substrate, a flexible encapsulating material and one or N flexible ultrasonic sensing units, and N is larger than or equal to 2; the flexible ultrasonic sensing units are arranged on the flexible substrate; the flexible encapsulating material is used for encapsulating the flexible ultrasonic sensing units and the flexible substrate. The flexible ultrasonic units are arranged on the flexible substrate, and encapsulating is conducted through the flexible encapsulating material. By means of the flexible monitoring device and the fetal heart monitoring method based on the flexible monitoring device, the flexible monitoring device can better fit a monitoring body, and the fetal heart monitoring efficiency and accuracy are improved.

The invention discloses a fetal heart monitoring device and method. The fetal heart monitoring device comprises an array type probe assembly, a control device and a fixing device. The array type probe assembly comprises at least two probes, the probes are used for collecting vibration signals, and the array type probe assembly is arranged on the fixing device; the fixing device is used for fixing the array type probe assembly to a person to be tested; the control device is used for calculating the fetal heart position according to the vibration signals collected by the probes, and acquiring fetal heart signals according to the vibration signals acquired by the probes at the fetal heart position. By the adoption of the fetal heart monitoring device and method, the fetal heart position does not need to be found manually, professionals do not need to operate the device professionally, the person to be tested only needs to wear the device to monitor the fetal heart, and the device and method are suitable for continuously monitoring the fetal heart in real time in life of a pregnant woman.

The invention discloses a fetus-quiet-sleep-cycle extraction method based on a fetus heart rate curve. A signal input module, a deceleration identifying module, a quiet-sleep-cycle identifying module and a result output module are adopted in the fetus-quiet-sleep-cycle extraction method, wherein in the signal input module, signal pretreating and deceleration fragment extracting are carried out; in the fetus-quiet-sleep-cycle identifying module, effective signal selecting, parameter calculating and quiet-sleep-cycle identifying are carried out; output results include parameters such as the number of quiet-sleep-cycle times, the longest duration and average duration. According to the fetus-quiet-sleep-cycle extraction method, by means of original data obtained through a fetal heart monitor, the fetus-quiet-sleep cycle can be extracted, relative parameters can be output, and the reading efficiency of an electronic fetal heart monitoring graph can be effectively improved.

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 a system for monitoring a heart rate of a fetus in a mother body. The system comprises a signal acquisition module, a signal preprocessing module, a signal quality evaluation module, a maternal ECG extraction module, a maternal heart rate detection module, a maternal ECG suppression module, a fetal ECG extraction module, a fetal heart rate detection module and a result output module. The signal acquisition module collects electrical signals of the abdomen of a pregnant woman, the signal preprocessing module removes power frequency, baseline drift and myoelectric interference, the signal quality evaluation module eliminates low-quality signals, the maternal ECG extraction module and the maternal heart rate detection module calculate the maternal heart rate, the maternal ECG suppression module, the fetal ECG extraction module and the fetal heart rate detection module calculate the fetal heart rate, and the result output module simultaneously outputs the maternal heart rate and the fetal heart rate. The system eliminates the low-quality signals in the monitoring process and fully suppresses noise signals before detection of the fetal heart rate, can accuratelyextract the fetal heart rate with fewer ECG leads, and meets the need of clinical long-term fetal heart monitoring.

The invention relates to a method for improving fetal heart Doppler signal acquisition quality during fetal movement. The method comprises the following steps: in set time of a fetal heart monitoring process, performing calculation or processing on envelopes of acquired fetal movement Doppler signals, so as to obtain fetal movement characteristic values which represent the fetal movement condition; comparing the obtained fetal movement characteristic values with the size of preset fetal movement thresholds; if the fetal movement characteristic values are greater than or equal to the fetal movement thresholds, determining that a fetus is in a fetal movement period at present, and increasing the transmission driving voltage of an ultrasonic wave transmitting probe; otherwise, determining that the fetus is in a non-fetal movement period, and reducing the transmission driving voltage of the ultrasonic wave transmitting probe. The invention also relates to a device for realizing the method. The method and the device for improving the fetal heart Doppler signal acquisition quality during fetal movement have the following beneficial effects of relatively stable acquisition quality and less influence on a pregnant women and the fetus.

The invention provides a conformal fetal heart monitoring sensor. The conformal fetal heart monitoring sensor is characterized by comprising a curved outer shell and ultrasonic transducers, the radius of curvature of the inner surface of the curved outer shell ranges from 15 cm to 40 cm, and the area of the inner surface of the curved outer shell is not smaller than 35 cm<2>. The invention further provides a work method of the conformal fetal heart monitoring sensor. The work method is characterized by comprising the following steps of dividing the ultrasonic transducers into multiple sets, sequentially operating each ultrasonic transducer set, analyzing the monitored fetal heart sound signal intensity when each ultrasonic transducer set operates, and selecting the ultrasonic transducer set with the strongest monitored fetal heart sound signal to work. By means of the conformal fetal heart monitoring sensor and the work method thereof, the shape of the inner surface is similar to the shape of the abdomen of a puerpera, the sensor better fits the abdomen, and monitoring is more comfortable; the area of the inner surface is larger, the coverage area of an ultrasonic field is large, and the fetal heart monitoring performance is not reduced and the ultrasonic launching dosage is not increased while the monitoring comfort is improved and the coverage area of the ultrasonic field is increased.

The invention is suitable for the technical field of medical signal processing, and provides a method and a device for outputting parameters of a fetal heart rate curve. The method comprises the following steps of according to an original signal collected by fetal heart monitoring equipment, generating the fetal heart rate curve; extracting the fetal heart rate curve within a specified period of time; measuring the wave peak / wave trough parameters of the fetal heart rate curve within the specified period of time; simultaneously outputting the fetal heart rate curve and the measured wave peak / wave trough parameters. The method has the advantage that the wave peaks / wave troughs in the fetal heart rate curve can be accurately identified, so the outputted fetal heart rate curve can visually and correctly display the fetal heart rate acceleration and deceleration conditions, and a medical staff can conveniently and accurately perform identification according to the outputted fetal heart rate curve, and the identifying accuracy is improved.