Class / Patent application number | Description | Number of patent applications / Date published |
600511000 | Fetal heartbeat | 30 |
20080319331 | Medical Data Signal Processing Systems - A medical signal processing system for processing medical signal data obtained from a human or animal heart, and displaying a graphical representation of the processed data for providing an alert, the system including: a medical signal data input for inputting one or more ECG signals; a graphical display; and a signal processor coupled to said data input and to said display; and wherein said signal processor is configured to: input medical signal data associated with a spatial position in or on said organ; perform at least one measurement relating to said organ using said medical signal data to provide measurement data; determine from said measurement data whether said measurement is normal or abnormal; and display, on a graphical representation of said heart, a graphical indication of an abnormality at said spatial position on a wall of said heart with which said signal data is associated responsive an abnormal to said determination. | 12-25-2008 |
20090036787 | FETAL SURVEILLANCE - Fetal behavior is monitored by receiving ECG data from a set of electrodes attached to a material body. A waveform pre-processor identifies a succession of fetal ECG complex waveforms within the received data and a waveform processor determines differences in the processor succession of fetal ECG complex waveforms over time. An event logger determines from the determined differences a number of fetal movements during the period of time. Fetal spatial presentation and/or position within the uterus may also be determined from fetal ECG data acquired from a plurality of electrodes positioned on the maternal abdomen in a predetermined configuration. A number of fetal ECG complex waveforms are identified within the data, and each of the waveforms is compared with a set of predetermined fetal ECG complex templates ascribed to the predetermined electrode configuration to determine a template that best matches the identified fetal ECG waveforms. | 02-05-2009 |
20090054797 | ELECTRONIC FETAL MONITORING ASSESSMENT SYSTEM AND METHOD - Electronic fetal monitoring assessment tools and methods of use thereof. The electronic fetal monitoring assessment tools are useable in connection with Electronic Fetal Monitoring (“EFM”) systems, such as those EFM systems currently used by and available to medical professionals. Electronic fetal monitoring assessment tools may include an electronic measurement tool for one or more of assessing the baseline FHR, assessing variability of the baseline FHR, assessing decelerations in the FHR and/or assessing acceleration in the FHR. Electronic measurement tools may be used as electronically generated visual tools to assess one or more fetal heart rate patterns. | 02-26-2009 |
20090177101 | METHOD OF FETAL AND MATERNAL ECG IDENTIFICATION ACROSS MULTIPLE EPOCHS - A method of utilizing maternal-fetal monitoring system to monitor the physiological properties of both a maternal patient and a fetus. The method places a series of ECG electrodes across the maternal patient's abdomen and receives ECG input waveforms across a plurality of separate channels. The method processes the channels using an ICA algorithm to generate a series of ICA output waveforms. The ICA output waveforms are analyzed for each individual epoch to determine which of the channels include a maternal signal or a fetal signal source. Based upon the determination of which channel includes the fetal and maternal signals, further processing is carried out on the ICA output waveform on the identified channel to obtain physiological properties for the patient and the fetus. During the next epoch, the same signal processing occurs, such that the system can identify the fetal and maternal signals even as the fetal and maternal jump channels from one epoch to another. | 07-09-2009 |
20090182242 | Apparatus and Method for Non-Invasive, Passive Fetal Heart Monitoring - 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. | 07-16-2009 |
20090192396 | Apparatus and method for detecting a fetal heart rate - An apparatus and method for detecting the heart rate of a fetus. The apparatus includes three detectors detecting heart beats of the fetus, each detector including at least two electrodes detecting ECG signals, the detectors being positioned on an abdomen of a mother in use. The apparatus also includes a processor coupled to the detectors, the processor being adapted to process the ECG signals received from the detectors and determine a heart rate of the fetus. The method of determining the heart rate of the fetus includes determining a position of the fetus within a womb, placing the detectors on an abdomen of the mother, monitoring the ECG signals obtained from the detectors for a predetermined length of time, and processing the ECG signals obtained from the detectors positioned on the abdomen of the mother to determine heart beats of the mother. | 07-30-2009 |
20090209874 | EXTRAPOLATING ICA KNOWLEDGE FROM ONE EPOCH TO ANOTHER FOR IMPROVED FETAL ECG SEPARATION - A method of utilizing a maternal-fetal monitoring system to monitor the physiological properties of both a maternal patient and a fetus. A series of ECG electrodes are placed across the maternal patient's abdomen and receives ECG input waveforms across sixteen separate channels. The sixteen channels of information are processed using an ICA algorithm to generate a series of ICA output waveforms and a transfer matrix. Following the current epoch, the transfer matrix is applied to the input waveforms on a continuous basis. The conditioned input waveforms are displayed immediately following the first epoch and prior to the expiration of a subsequent epoch. The transfer matrix for the second epoch is combined with the transfer matrix for the first epoch to generate an updated transfer matrix. Various filtering operations on the transfer matrix coefficients may be used to find the updated transfer matrix before the end of the current epoch. | 08-20-2009 |
20090240158 | User-interface for displaying fetal condition information during labor and apparatus implementing same - A computer readable storage medium storing a program element for execution by a computer to implement a user interface. The user interface conveys fetal condition information to a user. The user interface has a first section showing one or more vital signs of a fetus. The first section includes at least one tracing associated with a vital sign of the fetus and a marker to visually highlight an area of the tracing corresponding to an event of interest. The first section also has a control component that can be activated by the user to deliver additional information about the event of interest. | 09-24-2009 |
20090259133 | FETAL ECG MONITORING - A method for fetal monitoring includes acquiring electrical signals from a set of electrodes, for example, a set of surface electrodes applied to a maternal abdominal region. The electrical signals are analyzed, including by performing a morphological analysis of fetal electrocardiogram signals. A clinical indicator is then determined from a result of performing the morphological analysis. | 10-15-2009 |
20100016744 | FETAL HEART RATE MONITORING SYSTEM - A fetal heart rate monitoring system includes an ultrasonic transducer for transmitting a signal to a patient and for receiving a reflected heart beat monitoring signal. A monitoring system coupled to the ultrasonic transducer processes the heart beat monitoring signal and produces heart beat information representative of the monitored heart rate. A mechanical or electronic steering system coupled to the ultrasonic transducer controls the location of the signal transmitted to the patent and/or the location of the received heart beat monitoring signal. A control system coupled to the monitor and steering system controls the steering system as a function of the heart beat monitoring signal to optimize the quality of the heart beat information in the received heart beat monitoring signals. | 01-21-2010 |
20100076330 | FETUS ELECTROCARDIOGRAM SIGNAL MEASURING METHOD AND ITS DEVICE - Disclosed are a fetus electrocardiogram signal measuring method and its device that are capable of measuring the electrocardiogram signals of a fetus even during fetus movements and even at a gestational age during which the measurement current is weak, without the need for reattaching the electrodes and providing any shield room, even if the mother is a hospitalized or ambulant pregnant woman. The fetus electrocardiogram signal measuring device includes (1) high input impedance electrodes, (2) region-variable ground electrodes, and (3) a differential amplifier circuit and an optimization computing section. | 03-25-2010 |
20100137727 | EXTRACTION OF FETAL CARDIAC SIGNALS - A method for processing cardiac signals includes accepting, from a sensor system, a set of one or more signals, the signals including components of a desired cardiac signal and components of a substantially periodic interfering signal. The method is applicable for extraction of desired fetal cardiac signals from signals with interference from the maternal cardiac signal. A periodicity of the interfering signal is determined, and one or more iterations of mitigating an effect of a component of the signals that exhibit periodicity at the determined periodicity of the interfering signal are performed. In some examples, the method further includes determining a periodicity of the desired cardiac signal, and performing one or more iterations of enhancing an effect of a component of the signals that exhibit periodicity at the determined periodicity of the desired cardiac signal. | 06-03-2010 |
20100168596 | METHOD OF MONITORING A FETAL HEART RATE - The invention relates to a method of monitoring a fetal heart rate, the method comprising: providing a first measurement head ( | 07-01-2010 |
20100185108 | FETAL MONITORING - A system for monitoring a fetus during gestation comprises an input for receiving a plurality of electric signals measured on a surface of a maternal body; and means for providing a fetal electrocardiogram based on the received electric signals and based on an orientation of the fetus, wherein the fetal electrocardiogram represents a projection of a fetal cardiac potential vector according to a predetermined projection direction that is fixed with respect to the fetus. The fetal vector electrocardiogram is projected according to the projection direction. An at least partial representation of a fetal vector electrocardiogram is provided in dependence on the plurality of electric signals and indicative of a time path of an electrical field vector generated by a fetal heart of the fetus. | 07-22-2010 |
20100241018 | BABY MONITOR - This baby monitor provides monitoring of a baby's activities and vital signs from a remote location, possibly anywhere in the world. A sensor unit placed near the baby receives input from the baby, typically sound, image and vital signs such as heartbeat, respiration and temperature. Environmental conditions such as ambient temperature can also be monitored. One embodiment of the invention is worn on, or close to, a baby's chest while sleeping and monitors heartbeats and generates an alarm if the heart rate drops unexpectedly, indicating distress such as lack of oxygen. The invention can also be used for parental reassurance by indicating the baby's heartbeat through a pulsating LED or audible sound. | 09-23-2010 |
20100274145 | FETAL MONITORING DEVICE AND METHODS - Described herein are fetal and/or maternal monitoring devices, systems and methods using UWB medical radar. These devices and systems may include a UWB sensor providing high-resolution and reliable simultaneous monitoring of multiple indicators of fetal and/or maternal health, such as fetal heart rate, fetal heart rate variability, fetal respiration, fetal gross body movement, maternal contractions, maternal heart rate, maternal respiration, and other derivative parameters during virtually all stages of pregnancy and during delivery. The sensor allows novel collection of physiological data using a single sensor or multiple sensors to develop individual and aggregate normal motion indices for use in determining when departure from normal motion index is indicative of fetal or maternal distress. | 10-28-2010 |
20110071414 | ELECTRONIC FETAL MONITORING APPLICATIONS AND DISPLAY - Systems, methods, and computer-readable media for managing healthcare environments are provided. In embodiments, a first waveform tracing for data received from one or more medical devices for a first individual is displayed. A second waveform tracing for data received from one or more medical devices for a second individual is displayed. In response to the determination to hide the first waveform tracing, only displaying the second waveform tracing. | 03-24-2011 |
20110092837 | APPARATUS AND METHOD FOR MONITORING FETUS IN MATERNAL BODY - An apparatus for monitoring fetal positions and fetal movements is provided. The apparatus includes a plurality of sensors, a signal pre-processor, a signal post-processor, and a fetal position judging processor. The sensors are attached on the abdomen of a maternal body to provide at least three measuring leads. The signal pre-processor receives a plurality of sensing signals from the sensors, and the signal pre-processor reduces noises in the sensing signals and amplifies the sensing signals to output a plurality of characteristic sensing signals. The signal post-processor receives the characteristic sensing signals from the signal pre-processor and separates out a plurality of fetal electrocardiograms (FECGs) corresponding to the leads. The fetal position judging processor analyzes the FECGs to obtain a characteristic waveform for each of the FECGs or directly calculates a fetal heart axis vector with respect to a front-side coordinate of the maternal body according to the FECGs. | 04-21-2011 |
20110098586 | FETAL MONITORING SYSTEM AND METHOD - A system and associated method include an AECG/PCG sensor configured to generate an AECG/PCG signal in response to a monitored fetal heart. The system also includes an US transducer configured to generate an US signal in response to the monitored fetal heart. The system also includes a computer configured to assess the quality of the AECG/PCG signal, and compare the assessed quality of the AECG/PCG signal with a selectable threshold value. The computer is also configured to disable the US transducer and process the AECG/PCG signal to provide a fetal heart rate estimate as long as the assessed quality of the AEC/PCG signal exceeds the selectable threshold value. The computer is also configured to enable the US transducer and process the US signal to provide a fetal heart rate estimate only if the assessed quality of the AEC/PCG signal is equal to or less than the selectable threshold value. | 04-28-2011 |
20110306893 | FETAL MOVEMENT MONITOR - A monitoring system includes a physiologic monitoring device ( | 12-15-2011 |
20120150053 | Apparatus and method for detecting a fetal heart rate - An apparatus and method for detecting the heart rate of a fetus. The apparatus includes three detectors detecting heart beats of the fetus, each detector including at least two electrodes detecting ECG signals, the detectors being positioned on an abdomen of a mother in use. The apparatus also includes a processor coupled to the detectors, the processor being adapted to process the ECG signals received from the detectors and determine a heart rate of the fetus. The method of determining the heart rate of the fetus includes determining a position of the fetus within a womb, placing the detectors on an abdomen of the mother, monitoring the ECG signals obtained from the detectors for a predetermined length of time, and processing the ECG signals obtained from the detectors positioned on the abdomen of the mother to determine heart beats of the mother. | 06-14-2012 |
20120283588 | ADHESIVE MAGNETIC SYSTEM - An adhesive magnetic system for modifying an implantable device is provided. The system may include at least one magnet, an enclosure configured to receive the magnet, and an adhesive layer positioned on the enclosure for adhering the enclosure to a patient. | 11-08-2012 |
20130006132 | AUTOMATIC CATEGORIZATION OF FETAL HEART RATE INFORMATION - A system and method of documentation and categorization of medical obstetrics data, such as fetal heart rate characteristics. The automatic categorization of fetal heart rate characteristics into three categories, Category I—strongly predictive of normal fetal acid-base balance, Category II—not predictive of abnormal fetal acid-base balance and Category III—predictive of abnormal fetal acid-base balance. | 01-03-2013 |
20130018273 | SYSTEMS AND METHODS FOR ANALYSIS OF FETAL HEART RATE DATA - The present invention relates to systems and methods for analyzing fetal heart rate data. In particular, the present invention provides electronic rulers for use in analyzing fetal heart rate data. | 01-17-2013 |
20130310701 | FETAL CARDIAC POTENTIAL SIGNAL EXTRACTION PROGRAM, FETAL CARDIAC POTENTIAL SIGNAL DISCRIMINATING APPARATUS, AND PREGNANCY MONITORING SYSTEM USING THE SAME - A non-transitory computer-readable recording medium storing a computer program, the computer program comprising: a selecting module configured to select, from among a plurality of biopotential signals, a biopotential signal containing a high proportion of a maternal cardiac potential signal component; an independent component analysis module configured to perform independent component analysis on the plurality of biopotential signals; a periodic signal detection module configured to detect, as a first peak time signal, a signal having periodic peaks from a biopotential signal and to detect, as second peak time signals, one or more signals having periodic peaks among signals output from the independent component analysis module; and an output signal selecting module configured to select from among the one or more second peak time signals a signal having peak times different from those of the first peak time signal. | 11-21-2013 |
20140031707 | APPARATUS AND METHOD FOR AUTOMATICALLY IDENTIFYING FETAL HEART RATE BASELINE - An apparatus and method for automatically identifying FHR baseline includes collecting FHR data within a preset duration to obtain an FHR data sequence h′(n); preprocessing the collected FHR data sequence h′(n) to obtain a corresponding FHR data sequence during the preprocessing; selecting a primary dominant peak value according to the frequency distribution of the corresponding FHR data sequence during the preprocessing; and identifying a dynamic baseline according to the corresponding FHR data sequence and the primary dominant peak value during the preprocessing to obtain the dynamic baseline, and display and print the dynamic baseline. The apparatus and method effectively prevents the impact caused by regular change of the FHR to the baseline solution, and accurately reflects the FHR baseline and changes thereof of a fetus under different conditions. | 01-30-2014 |
20140066796 | DISPLAY OF DETECTED PATIENT POSTURE STATE - The disclosure provides a system that displays an indicator of patient posture state that changes according to posture state data. The posture state data may be transmitted from a medical device, for example, in or near real-time. In some examples, the disclosure relates to a method comprising receiving posture state data for a patient from a medical device; and presenting an indicator indicative of two or more of posture states based on the received posture state data, wherein each posture state of the two or more posture states is determined based on different detection criteria. | 03-06-2014 |
20140350421 | EXTRACTION OF FETAL CARDIAC SIGNALS - A method for processing cardiac signals includes accepting, from a sensor system, a set of one or more signals, the signals including components of a desired cardiac signal and components of a substantially periodic interfering signal. The method is applicable for extraction of desired fetal cardiac signals from signals with interference from the maternal cardiac signal. A periodicity of the interfering signal is determined, and one or more iterations of mitigating an effect of a component of the signals that exhibit periodicity at the determined periodicity of the interfering signal are performed. In some examples, the method further includes determining a periodicity of the desired cardiac signal, and performing one or more iterations of enhancing an effect of a component of the signals that exhibit periodicity at the determined periodicity of the desired cardiac signal. | 11-27-2014 |
20140378855 | APPARATUS AND METHOD FOR FEATURE EXTRACTION AND CLASSIFICATION OF FETAL HEART RATE - Provided are an apparatus and method for receiving a fetal heart rate (FHR) signal at each interval during a monitoring period, receiving a uterine pressure (UP) signal at each of the intervals to obtain a plurality of FHR-UP signal pairs, and extracting a feature value for each FHR-UP signal pair, with the feature value being extracted from a predefined alphabet of feature values. | 12-25-2014 |
20160198969 | FETAL HEART RATE EXTRACTION FROM MATERNAL ABDOMINAL ECG RECORDINGS | 07-14-2016 |