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41 results about "Uterine activity" patented technology
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Maternal-fetal monitoring system
ActiveUS20050267376A1Less riskEliminate the problemElectrocardiographyElectromyographyObstetricsNeural network system
A maternal-fetal monitoring system for use during all stages of pregnancy, including antepartum and intrapartum stages. The maternal-fetal monitoring system of the subject invention comprises (1) a set of sensors; (2) an amplifying / filtering means; (3) a computing means; and (4) a graphical user interface. Accurate clinical data, which can be extracted and provided to the user in real-time using the system of the invention, include without limitation, maternal electrocardiogram (ECG) signals, maternal uterine activity signals (EHG), maternal heart rate, fetal ECG signals, and fetal heart rate. In a preferred embodiment, the maternal-fetal monitoring system of the invention includes an intelligence means, such as a neural network system, to analyze and interpret clinical data for use in clinical diagnosis antepartum, intrapartum and postpartum, as well as delivery strategy.
Owner:UNIV OF FLORIDA RES FOUNDATION INC +1
Maternal-fetal monitoring system
ActiveUS20050267377A1Accurate repeatabilityImprove signal qualityElectrocardiographyElectromyographyObstetricsNeural network system
A maternal-fetal monitoring system for use during all stages of pregnancy, including antepartum and intrapartum stages. The maternal-fetal monitoring system of the subject invention comprises (1) a set of sensors; (2) an amplifying / filtering means; (3) a computing means; and (4) a graphical user interface. Accurate clinical data, which can be extracted and provided to the user in real-time using the system of the invention, include without limitation, maternal electrocardiogram (ECG) signals, maternal uterine activity signals (EHG), maternal heart rate, fetal ECG signals, and fetal heart rate. In a preferred embodiment, the maternal-fetal monitoring system of the invention includes an intelligence means, such as a neural network system, to analyze and interpret clinical data for use in clinical diagnosis antepartum, intrapartum and postpartum, as well as delivery strategy.
Owner:CONVERGENT ENG +1
Maternal-fetal monitoring system
ActiveUS7333850B2Accurate repeatabilityImprove signal qualityElectrocardiographyElectromyographyObstetricsNeural network system
A maternal-fetal monitoring system for use during all stages of pregnancy, including antepartum and intrapartum stages. The maternal-fetal monitoring system of the subject invention comprises (1) a set of sensors; (2) an amplifying / filtering means; (3) a computing means; and (4) a graphical user interface. Accurate clinical data, which can be extracted and provided to the user in real-time using the system of the invention, include without limitation, maternal electrocardiogram (ECG) signals, maternal uterine activity signals (EHG), maternal heart rate, fetal ECG signals, and fetal heart rate. In a preferred embodiment, the maternal-fetal monitoring system of the invention includes an intelligence means, such as a neural network system, to analyze and interpret clinical data for use in clinical diagnosis antepartum, intrapartum and postpartum, as well as delivery strategy.
Owner:UNIV OF FLORIDA RES FOUNDATION INC +1
Sensor Interface System
ActiveUS20120071744A1Accurate contractionAccurate cardiac dataPerson identificationMachines/enginesElectricityEmbedded system
A sensor interface system for providing a connection between at least one sensor and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the sensor(s) into uterine activity data signals for use by the maternal-fetal monitor. The sensor interface system of the invention preferably includes a conversion means for converting the signals from the sensor(s) into signals similar to those produced by a tocodynamometer.
Owner:PHILIPS NORTH AMERICA LLC
Abdominal Sonar System and Apparatus
ActiveUS20120179046A1Heart/pulse rate measurement devicesInfrasonic diagnosticsUltrasonic sensorSonification
An abdominal sonar includes an ultrasound transducer array with a plurality of ultrasound transducers. The abdominal sonar further includes at least one additional ultrasound transducer. A digital signal processor is communicatively connected to the plurality of ultrasound transducers and the at least one additional ultrasound transducer. The digital signal processor individually operates the plurality of ultrasound transducers and the at least one additional ultrasound transducer. The digital signal processor receives reflected ultrasound signals back from each of the plurality of ultrasound transducers and the at least one additional ultrasound transducer and converts the received reflected ultrasound signals into an audio signal. A system for monitoring a pregnancy includes an ultrasound transducer array and at least one additional ultrasound transducer. A digital signal processor is communicatively connected to the ultrasound transducer array and the at least one ultrasound transducer. The digital signal processor converts received raw fetal heart and uterine activity waveforms into an audio signal. A wireless transmitter broadcasts the received audio signal. A wireless receiver receives the broadcast audio signal. A patient monitor extracts the raw fetal heart and uterine activity waveforms from the audio signal and processes the waveforms to obtain an indication of fetal heart rate and an indication of uterine activity.
Owner:GENERAL ELECTRIC CO
Fetal Monitoring Device and Method
InactiveUS20140249436A1Ultrasonic/sonic/infrasonic diagnosticsElectrocardiographyFetal monitoringObstetrics
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.
Owner:GENERAL ELECTRIC CO
Electrode interface system
ActiveUS7828753B2Reduce manufacturing costLow pricePerson identificationElectric connection structural associationsElectricityEngineering
An electrode interface system for providing a connection between at least one electrode and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the electrode(s) into uterine activity data signals for use by the maternal-fetal monitor. The electrode interface system of the invention preferably includes a conversion means for converting the signals from the electrode(s) into signals similar to those produced by a tocodynometer.
Owner:PHILIPS NORTH AMERICA LLC
A combined uterine activity and fetal heart rate monitoring device
ActiveUS20080161689A1Person identificationHeart/pulse rate measurement devicesUltrasonic sensorUterine activity
A combinational fetal heart rate monitor and uterine activity measuring device for use on a pregnant patient. The fetal heart rate and uterine activity monitor comprising a plurality of electrodes disposed to be attached on the abdomen of the patient and an ultrasound transducers disposed to be attached on the abdomen of the patient. An energy source is operable to generate an excitation signal and the energy source is connected to a multiplexer which is connected between the plurality of electrodes and the ultrasound transducer, the multiplexer being selectively positioned to direct the excitation signal from the energy source to either the electrode or the ultrasound transducer. An amplifier connected to the energy source compares the excitation signal to the excitation signal after it passes through the abdomen of the patient. The signal from the amplifier is demodulated and processed to calculate physiological parameter based on the change in the excitation signal.
Owner:GENERAL ELECTRIC CO
Wearable fetal monitoring system having textile electrodes
ActiveUS20160128594A1Increase the number ofElectrocardiographyElectromyographyElectricityConductive textile
A seamless, smart fetal monitoring garment and methods of using thereof. The system includes a knitted or interwoven garment having a multiplicity of conductive textile electrodes for sensing maternal and fetal electrical vital signals. The maternal and fetal electrical vital signals are selected from a group including maternal heart rate, fetal heart rate and electromyogram (EMG) activities including uterine activities. The method includes wearing the garment, acquiring electrical mixed common, maternal and fetal vital signals from surface region of a pregnant woman, using the plurality of textile electrodes, optimally weighted summing-up the acquired signals, analyzing the summed-up signals to thereby extract the maternal signal and the fetal signal, including determining their heart rates, and including detecting health hazards and in some embodiments, including detecting a uterine contraction sequence suggesting the need to be hospitalized for birth giving.
Owner:AUTONETWORKS TECH LTD
Extended use home uterine activity monitor
InactiveUS20120035508A1Comfortable to wearAvoid signal distortionPerson identificationInertial sensorsPatient managementAccelerometer
A uterine activity monitoring device and method for monitoring uterine activity on a nearly continuous basis. The device may comprise a belt configured to fit around a pregnant patient's abdomen, with a plurality of, uterine contraction sensors. These sensors may be protruding contraction sensing buttons, disposed generally perpendicular to the patient's skin. In order to avoid signal distortions caused by patient movement, the belt will often have at least one ambient motion sensor configured to monitor non-uterine contraction movements and produce background movement signals. These ambient motion sensors may be accelerometers and stretch or pressure disposed generally parallel to the patient's skin. The device will have an onboard processor communicate wirelessly with a variety of external monitoring and management systems, such as wrist worn monitors, cell phones, and remote patient management websites.
Owner:VAN LEER THOMAS JAMES
Systems and methods for monitoring uterine activity and assessing pre-term birth risk
A method for uterine activity monitoring may include: acquiring a plurality of signals from a plurality of sensors during uterine activity; processing the plurality of signals to extract a plurality of uterine electrical activity characteristics; analyzing the plurality of uterine electrical activity characteristics; and classifying the uterine activity as one of: a preterm labor contraction, a labor contraction, a Braxton-Hicks contraction, and a state of no contraction. A method of assessing over time a pre-term birth risk of a pregnant female may include: calculating a baseline pre-term birth risk score based on a user input; acquiring, over time, a signal from a sensor; analyzing the signal to extract a parameter of interest, such that the parameter of interest comprises a physiological parameter; and calculating an instant pre-term birth risk score based, at least in part, on the parameter of interest and the user input.
Owner:BLOOM TECH NV
Combined uterine activity and fetal heart rate monitoring device
ActiveUS7758522B2Person identificationHeart/pulse rate measurement devicesUltrasonic sensorSonification
Owner:GENERAL ELECTRIC CO
Novel Catheter Sensor
A fetal monitoring device directed to a maternal bladder insert having at least one sensor on the distal end to detect fetal vital signs and uterine activity, and methods for detecting fetal vital signs and uterine activity using the device. The bladder insert is preferably a catheter with an integrated electrode for detecting fetal heart rate and uterine electromyography. Furthermore, the device transmits this data to a monitoring system for diagnosis and observation.
Owner:UNIV OF FLORIDA RES FOUNDATION INC
Fetal monitoring device and method
InactiveUS8868164B2Ultrasonic/sonic/infrasonic diagnosticsElectrocardiographyObstetricsFetal monitoring
Owner:GENERAL ELECTRIC CO
Electrode interface system
ActiveUS20080139967A1Accurate contraction dataReduce manufacturing costPerson identificationElectric connection structural associationsElectricityEngineering
An electrode interface system for providing a connection between at least one electrode and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the electrode(s) into uterine activity data signals for use by the maternal-fetal monitor. The electrode interface system of the invention preferably includes a conversion means for converting the signals from the electrode(s) into signals similar to those produced by a tocodynometer.
Owner:PHILIPS NORTH AMERICA LLC
Wearable fetal monitoring system having textile electrodes
A seamless, smart fetal monitoring garment and methods of using thereof. The system includes a knitted or interwoven garment having a multiplicity of conductive textile electrodes for sensing maternal and fetal electrical vital signals. The maternal and fetal electrical vital signals are selected from a group including maternal heart rate, fetal heart rate and electromyogram (EMG) activities including uterine activities. The method includes wearing the garment, acquiring electrical mixed common, maternal and fetal vital signals from surface region of a pregnant woman, using the plurality of textile electrodes, optimally weighted summing-up the acquired signals, analyzing the summed-up signals to thereby extract the maternal signal and the fetal signal, including determining their heart rates, and including detecting health hazards and in some embodiments, including detecting a uterine contraction sequence suggesting the need to be hospitalized for birth giving.
Owner:HEALTHWATCH LTD
Forecasting neonatal vitality
ActiveUS20190133536A1Effective treatmentEffective careHealth-index calculationEvaluation of blood vesselsObstetricsFetal Heart Rate Variability
A decision support tool is provided for predicting the neonatal vitality scores of a fetus during delivery, the scores being an indicator of future health for the infant anticipated to be born within a future time interval, measured as time to birth. The predicted neonatal vitality score is determined from measurements of physiological variables monitored during labor, such as uterine activity and fetal heart rate. Fetal heart rate variability and patterns may be detected and computed using the monitored physiological variables, and neonatal vitality scores may be predicted based, at least in part, on the variability metrics and fetal heart rate patterns. Scores may be predicted for different delivery methods, such as vaginal delivery or cesarean delivery, for different time-to-birth intervals. In this way, these scores may be used for decision support for care plans during labor, such as increased monitoring and / or modifying the delivery type.
Owner:CERNER INNOVATION
Sensor interface system
ActiveUS9351682B2Accurate contraction and cardiac dataReduce manufacturing costElectrocardiographyMachines/enginesElectricityEmbedded system
A sensor interface system for providing a connection between at least one sensor and a maternal-fetal monitor, wherein the interface system converts electrical muscle activity captured by the sensor(s) into uterine activity data signals for use by the maternal-fetal monitor. The sensor interface system of the invention preferably includes a conversion means for converting the signals from the sensor(s) into signals similar to those produced by a tocodynamometer.
Owner:PHILIPS NORTH AMERICA LLC
Method and device for identifying uterine contraction based on uterine eletrohystrogram signals
InactiveCN108175384ARealize automatic identificationRealize computingSensorsUterine pressure measurementUterine Contraction FrequencyUltimate tensile strength
The invention discloses a method and device for identifying uterine contraction based on uterine eletrohystrogram signals, and belongs to the technical field of delivery monitoring. The method comprises the steps of collecting the uterine eletrohystrogram signals within a certain duration; preprocessing the uterine eletrohystrogram signals to remove interference; setting the length of windows as L, and extracting features of the uterine eletrohystrogram signals in the windows; adopting a fuzzy clustering algorithm to cluster all features of the windows into two types, wherein if the center distance of the two types of features is smaller than or equal to a set threshold value D, it is regarded that no uterine contraction signal exists, and if the center distance of the two types of features is larger than the set threshold value, it is regarded that the type with the largest type center value is the type corresponding to the uterine contraction; calculating the time interval of the centers of every two windows in the uterine contraction types; in all the newly generated windows, searching for the starting point, the end point and the peak point of the uterine contraction; calculating uterine contraction parameters, wherein the uterine contraction parameters comprise the uterine contraction frequency, the average lasting time, the average intensity and the average interval. By means of the method and device for identifying the uterine contraction based on the uterine eletrohystrogram signals, the uterine contraction signals are automatically recognized, the uterine contraction feature parameters are calculated, and a new means is provided for monitoring the uterine activities.
Owner:BEIJING UNIV OF TECH +1
Monitoring uterine activity and assessing pre-term birth risk
A method for uterine activity monitoring may include: acquiring a plurality of signals from a plurality of sensors during uterine activity; processing the plurality of signals to extract a plurality of uterine electrical activity characteristics; analyzing the plurality of uterine electrical activity characteristics; and classifying the uterine activity as one of: a preterm labor contraction, a labor contraction, a Braxton-Hicks contraction, and a state of no contraction. A method of assessing over time a pre-term birth risk of a pregnant female may include: calculating a baseline pre-term birth risk score based on a user input; acquiring, over time, a signal from a sensor; analyzing the signal to extract a parameter of interest, such that the parameter of interest comprises a physiological parameter; and calculating an instant pre-term birth risk score based, at least in part, on the parameter of interest and the user input.
Owner:BLOOM TECH NV
Extended use home uterine activity monitor
Owner:VAN LEER THOMAS JAMES
A traditional Chinese medicine enema medicament used for treating chronic pelvic inflammation and a preparing method thereof
InactiveCN103908628ATo promote metabolismEnhance and regulate immune functionAntipyreticAnalgesicsCystTherapeutic effect
The invention provides a traditional Chinese medicine enema medicament used for treating chronic pelvic inflammation and a preparing method thereof. The medicament comprises following raw materials by weight: 25-35 parts of radix astragali, 10-14 parts of cassia twig, 10-14 parts of red sage root, 10-14 parts of red peony root, 12-18 parts of fructus forsythiae, 25-35 parts of sargentodoxa vine, 25-35 parts of spatholobus stem, 17-23 parts of herba patriniae, 10-15 parts of common burreed rhizome, 10-15 parts of zedoary turmeric, 10-15 parts of Chinese honeylocust spine, 10-15 parts of dahurian angelica root, 8-12 parts of parched pangolin scales, 15-25 parts of herb of garden balsam and 10-15 parts of sweetgum fruit. The method includes: adding a proper amount of water into the raw material medicines of the weight parts mentioned above, dipping for 25-35 min, decocting for two times with the first decocting time being 1.8-2.2 h and the second decocting time being 0.8-1.2 h, combining the decoction liquids, allowing the mixture to stand for 22-26 h, filtering to obtain liquid supernatant, concentrating the liquid supernatant to 180-220 parts, adding 0.4-1.0 part of sodium benzoate and 0.04-0.10 part of ethylparaben, boiling for dissolution, filtering, subpackaging and sterilizing. The medicament has significant treating effects for lower-abdomen pain, lumbosacral aching, restricted uterus movement, adnexa uteri thickening, pelvic effusion, pelvic cysts, and fallopian tube obstructive infertility which are caused by the chronic pelvic inflammation.
Owner:于永梅
Identifying the level of fetal risk during labor
InactiveCN102405014AExtended incubation periodCatheterDiagnostic recording/measuringObstetricsCvd risk
Provided is a method for identifying the level of fetal risk during labor comprises monitoring at least each of the concurrent clinical parameters of (a) FHR, (b) baseline FHR variability, (c) FHR accelerations, (d) FHR decelerations, and (e) maternal uterine activity, to determine whether each parameter independently exhibits at least one non- reassuring characteristic, and indicating a present level of risk to the fetus corresponding to the number of the concurrent clinical parameters (a) through (e) that are simultaneously, independently non-reassuring. An apparatus for implementing the method comprises at least one computer operative to receive input signals indicative of at least FHR and maternal uterine activity in a patient. The computer is operative to determine from the FHR baseline FHR variability, FHR accelerations, and FHR decelerations, to determine when any one or more of the parameters (a) through (e) each exhibit at least one non-reassuring characteristic, and to determine a present level of risk to the fetus corresponding to the number of the parameters (a) through (e) that are simultaneously, independently non-reassuring. At least one output operatively connected to the at least one computer indicates the determined present level of risk to the fetus.
Owner:马克.埃文斯
System, apparatus, and method for monitoring and assessing the level of fetal risk during labor
Owner:马克伊万斯
Apparatus and methods of monitoring maternal and fetal heart rate
PendingUS20210059538A1Organ movement/changes detectionAcoustic sensorsFetal monitoringUltrasonic sensor
Systems and methods of maternal and fetal monitoring include acquiring ultrasound physiological data with an ultrasound transducer. A plurality of electrodes acquire biopotential physiological data from the skin of a patient. A controller receives the ultrasound and biopotential physiological data and calculates fetal heart rate (fHR) values, maternal heart rate (mHR) values, and uterine activity (UA) values from the ultrasound and biopotential physiological data.
Owner:GE PRECISION HEALTHCARE LLC
Method for automatically identifying uterine contraction based on uterus electromyographic signal
ActiveCN109998490ARealize automatic identificationRealize visual displaySensorsUterine pressure measurementZero-crossing rateComputer science
The invention relates to a method for automatically identifying uterine contraction based on a uterus electromyographic signal and belongs to the technical field of monitoring of the obstetrics department. The method comprises the steps that firstly, the uterus electromyographic signal O is collected; the uterus electromyographic signal is pre-processed, and the pre-processed uterus electromyographic signal P is obtained; the average value E of the amplitude value of the pre-processed uterus electromyographic signal P is recorded, the upward movement alphaE of the amplitude value of the pre-processed uterus electromyographic signal P is obtained, and the uterus electromyographic signal U after upward movement of the amplitude value is obtained; the zero-crossing rate Z of the uterus electromyographic signal U after upward movement of the amplitude value is calculated, and a zero-crossing rate function Z' is generated; a result after the zero-crossing rate function Z' is uniformized isused as an input variable of a function M, and output of the function M is used as a value of a weight function Q; the weight function Q and the pre-processed uterus electromyographic signal P are correspondingly multiplied, and the uterus electromyographic signal K after weighting is obtained; an envelope curve of the uterus electromyographic signal K is acquired, and with the amplitude value ofthe curve as a function, a uterine contraction occurrence probability grey-scale map is generated. According to the method, the uterine contraction signal is automatically identified, the uterine contraction occurrence probability is visually displayed, and a new way is provided for monitoring of uterine activity.
Owner:BEIJING UNIV OF TECH
Traditional Chinese medicinal composition, and preparation method and application thereof
ActiveCN103263646APromote blood circulationDecongestionSexual disorderPlant ingredientsBiotechnologyCyathula officinalis
The invention discloses a traditional Chinese medicinal composition. The traditional Chinese medicinal composition comprises the following raw medicines, by weight, 20-80 parts of Semen Impatientis, 20-60 parts of Herba Leonuri, 15-45 parts of Chinese angelica, 15-45 parts of Peach Seed, 20-30 parts of safflower, 15-60 parts of myrrh, 15-30 parts of Medicinal Cyathula Root, 10-35 parts of Semen Plantaginis, 15-60 parts of Rhizoma Cyperi, and 10-25 parts of dry ginger. In the invention, syndrome differentiation typing of retained fetal membranes is carried out against the much deficiency and stasis physiopathologic characteristics of postpartum cows to summarize the total pathogenesis blood stasis, so the compatible combination of all the above medicines is carried out to reach blood circulation activating, stasis dissolving, water retention alleviating and swelling diminishing efficacies, and the uterine activity is adjusted to recover the normal contraction of the uterus, improve the body blood circulation, and eliminate the hyperemia and extracasated blood of the placental villus, so it is benefit for discharging blood in the villus, reducing the permeability of the vascular wall and inhibiting oedema and inflammations, thereby the pressure in the crypt decreases, and the afterbirth sheds.
Owner:LANZHOU INST OF ANIMAL SCI & VETERINARY PHARMA OF CAAS
Automatic analysis of uterine activity signals and application for enhancement of labor and delivery experience
A uterine activity analysis apparatus, comprising a rendering device at least one controller coupled to the rendering device, and configured to acquire a uterine activity signal (UAS) corresponding to uterine activity of a patient; determine uterine activity information based upon the acquired UAS and render, on the rendering device, content based at least in part upon the determined uterine activity information. The controller may compare the determined uterine activity information with threshold uterine activity information and provide clinical decision support (CDS) based upon the decision. Furthermore, the controller may render a breathing guide to illustrate a preferred breathing pattern, when the start of a contraction is detected.
Owner:KONINKLJIJKE PHILIPS NV
Enhanced electronic external fetal monitoring system
ActiveUS9820718B2Consistent and accurate dataReduce rateBlood flow measurement devicesOrgan movement/changes detectionFetal monitoringObstetrics
The present invention relates to fetal monitoring and, more particularly, to an electronic external fetal monitoring system that includes a self adhering single use dermal patch including embedded sensors that can be attached to the skin of an expectant maternal patient and is configured to record fetal heart rate, uterine activity, and uterine integrity.
Owner:SYRACUSE UNIVERSITY
Abdominal sonar system and apparatus
ActiveUS9168022B2Organ movement/changes detectionHeart/pulse rate measurement devicesUltrasonic sensorSonification
An abdominal sonar includes an ultrasound transducer array with a plurality of ultrasound transducers. The abdominal sonar further includes at least one additional ultrasound transducer. A digital signal processor is communicatively connected to the plurality of ultrasound transducers and the at least one additional ultrasound transducer. The digital signal processor individually operates the plurality of ultrasound transducers and the at least one additional ultrasound transducer. The digital signal processor receives reflected ultrasound signals back from each of the plurality of ultrasound transducers and the at least one additional ultrasound transducer and converts the received reflected ultrasound signals into an audio signal. A system for monitoring a pregnancy includes an ultrasound transducer array and at least one additional ultrasound transducer. A digital signal processor is communicatively connected to the ultrasound transducer array and the at least one ultrasound transducer. The digital signal processor converts received raw fetal heart and uterine activity waveforms into an audio signal. A wireless transmitter broadcasts the received audio signal. A wireless receiver receives the broadcast audio signal. A patient monitor extracts the raw fetal heart and uterine activity waveforms from the audio signal and processes the waveforms to obtain an indication of fetal heart rate and an indication of uterine activity.
Owner:GENERAL ELECTRIC CO
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