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| Number | Title | Issue Date |
| 8175692 | Electrocardiogram signal-processing method and electrocardiogram signal-processing device An electrocardiogram signal processing method and device for extracting a fetus electrocardiogram signal included in a biopotential signal detected from an electrode attached to a mother's body is provided. The electrocardiogram signal processing method for extracti... | 05/08/2012 |
| 8116857 | Non-linear signal separation method using non-linear state space projection method There is provided a non-linear signal separation method using the non-linear state space projection method capable of separating an effective non-linear signal even if the S/N ratio is low by performing the time domain high speed non-linear state space projection wh... | 02/14/2012 |
| 8064991 | 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 plural... | 11/22/2011 |
| 7949389 | 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 fe... | 05/24/2011 |
| 7869863 | 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... | 01/11/2011 |
| 7831300 | 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 separ... | 11/09/2010 |
| 7818050 | Passive phonography heart monitor A fetal heart monitor device includes a channel to receive a first signal representative of acoustic energy principally from a maternal heartbeat and a second signal representative of acoustic energy including a fetal heart beat. The device includes a computing devi... | 10/19/2010 |
| 7774050 | Method and apparatus for the early diagnosis of subacute, potentially catastrophic illness In one aspect of the invention, there is provided a method and apparatus for early detection of subacute, potentially catastrophic infectious illness in a premature newborn infant. The method comprises: (a) continuously monitoring heart rate variability in the prema... | 08/10/2010 |
| 7747316 | Blind adaptive filter extraction of fetal electrocardiogram signal estimate A blind adaptive filter of an apparatus in an example employs a frequency domain ECG-feature vector and a time domain ECG feature vector with a maternal ECG parameter estimate and a set of candidate fetal ECG estimates that satisfy the frequency domain ECG-feature-v... | 06/29/2010 |
| 7680531 | Separation of one or more fetal heart component signals from heart signal information obtained from a pregnant female One or more fetal heart component signals in one example are separated from heart signal information obtained from a pregnant female based on singular value decomposition. ... | 03/16/2010 |
| 7593765 | Fetal heart monitoring 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 h... | 09/22/2009 |
| 7539534 | Configuration for phonography cardio heart monitoring A method of acoustic monitoring includes transducing acoustic energy from a first acoustic transducer attached to a first location on a patient the acoustic energy from the first transducer, comprising desired acoustic energy to be monitored and interfering acoustic... | 05/26/2009 |
| 7532923 | Apparatus and method for detecting a fetal heart rate The present invention relates to apparatus for detecting the heart rate of a fetus. The apparatus includes at least two detectors for detecting heart beats of the fetus, each detector comprising at least two electrodes for detecting ECG signals. A processor, which i... | 05/12/2009 |
| 7519417 | Quantitative fetal heart rate and cardiotocographic monitoring system and related method thereof A method, system, and computer program product are provide for, among other things, quantitative analysis of heart rate characteristics from fetal heart rate and cardiotocogram monitors that gives information about the well-being of the fetus and the risk of poor fe... | 04/14/2009 |
| 7474915 | Separating mixed signals containing a distorted signal This invention provides a novel technique separating two mixed signals. The method is particularly useful for fetal electrocardiogram estimation. A maternal electrocardiogram signal recorded at the thorax area is nonlinearly mapped onto an electrocardiogram signal r... | 01/06/2009 |
| 7340289 | Biomagnetic field measuring apparatus A biomagnetic field measuring apparatus for performing (1) processes for removing a magnetic field waveform generated by a maternal heart from a waveform of a biomagnetic field measured, (2) processes for obtaining a template waveform of a magnetic field waveform ge... | 03/04/2008 |
| 7336985 | Fetal heart rate electrode assembly, connector for same, cable assembly, system, and methods of use A fetal heart rate electrode assembly, a connector for use therewith and a cable assembly including a housing assembly configured for engagement with the connector. The electrode assembly includes a drive knob configured and located for selective extension of a feta... | 02/26/2008 |
| 7333850 | Maternal-fetal monitoring 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 m... | 02/19/2008 |
| 7315753 | Pulse oximeter with parallel saturation calculation modules A method and apparatus for reducing the effects of noise on a system for measuring physiological parameters, such as, for example, a pulse oximeter. The method and apparatus of the invention take into account the physical limitations on various physiological paramet... | 01/01/2008 |
| 7236819 | Separation of a subcutaneous cardiac signal from a plurality of composite signals A cardiac monitoring and/or stimulation method and systems provide monitoring, defibrillation and/or pacing therapies, including systems detecting and/or treating cardiac arrhythmia. A system includes a housing coupled to a plurality of electrodes configured for sub... | 06/26/2007 |
| 7207941 | Birth monitoring system A medical transponder, including an ultrasonic sensor that detects impinging ultrasonic waves and generates electrical signals in response thereto; an electrical connection which receives said signals; and an electromagnetic RF transmitter coupled to said electrical... | 04/24/2007 |
| 7113819 | Method and apparatus for monitoring the condition of a fetus A method and apparatus for monitoring the condition of a fetus to assess a degree of risk of developing a permanent neurological condition is provided. A signal indicative of a fetal heart is processed to derive a degree of risk of developing a permanent neurologica... | 09/26/2006 |
| 7087018 | System and method for real-time feature sensitivity analysis based on contextual information A system and method for assigning feature sensitivity values to a set of potential measurements to be taken during a medical procedure of a patient in order to provide a medical diagnosis is disclosed. Data is received from a sensor that represents a particular medi... | 08/08/2006 |
| 7037268 | Low profile acoustic sensor arry and sensors with pleated transmission lines and related methods A low profile acoustic array (10) is configured to selectively respond to shear waves while rejecting compression wave energy in the frequency range of interest. One sensor array is configured as a linear strip with a frame segment having at least one longitu... | 05/02/2006 |
| 7004899 | System and method for assessing urinary function A portable, self-contained medical diagnostic system is provided for assessing urinary function. The system includes a control device including a processor, a pump device, and a pressure sensor, and a test module removably coupled to the control device, and further ... | 02/28/2006 |
| 6968227 | Methods for processing electrocardiac signals having superimposed complexes Computer implemented methods and associated systems are disclosed for processing electrical signals recorded from the heart and, more particularly, for objectively deriving sub-components and comparing signals and their sub-components. ... | 11/22/2005 |
| 6942621 | Method and apparatus for detecting weak physiological signals A method and apparatus are provided for measuring a weak physiological signal in the presence of stronger signals. The method and apparatus utilize motion sensing devices placed on or about the patient to obtain a motion data set from each motion sensing device desc... | 09/13/2005 |
| 6931276 | Method and device for use in micturition studies Method and device for the sensing of the electromyographic activity of an individual's bladder detrusor muscle, where an elongated electrode is inserted through the individual's urethra, so that the proximal end of the electrode becomes positioned in the bladder, an... | 08/16/2005 |
| 6907284 | Method and apparatus for displaying a fetal heart rate signal A system and apparatus implementing a graphical user interface for displaying heart rate information is provided. The graphical user interface displays, in a first viewing window, a first tracing indicative of a heart rate signal. The graphical user interface displa... | 06/14/2005 |
| 6816744 | DEVICE AND SYSTEM FOR REMOTE FOR IN-CLINIC TRANS-ABDOMINAL/VAGINAL/CERVICAL ACQUISITION, AND DETECTION, ANALYSIS, AND COMMUNICATION OF MATERNAL UTERINE AND MATERNAL AND FETAL CARDIAC AND FETAL BRAIN ACTIVITY FROM ELECTRICAL SIGNALS The present invention presents a method and apparatus for recording and analyzing uterine electrical activity, or electromyography (EMG), from the surface of the abdomen, vagina, or cervix of a patient for the purpose of diagnosing contractile patterns of the uterus... | 11/09/2004 |
| 6751498 | Apparatus and method for non-invasive, passive fetal heart monitoring An apparatus and method for fetal heart and maternal heart and uterine monitoring is provided which acquire biopotential waveforms indicative of the mother's heart beat from sensors located at or near the mother's chest, and waveforms indicative of the combined mate... | 06/15/2004 |
| 6662043 | Heart beat coincidence detection A method of detecting heart beat coincidence includes receiving first and second signals from first and second heart beat sources. The method further includes detecting first heart beat occurrences on the first signal, each first heart beat occurrence hav... | 12/09/2003 |
| 6658284 | Device for reducing signal noise in a fetal ECG signal Apparatus for reducing signal noise in a fetal ECG signal obtained by using a unipolar ECG lead configuration 1, 3 thereby detecting a predominant T wave vector and avoiding changes in ECG waveform shape due to fetal rotation through the birth canal. The ... | 12/02/2003 |
| 6551251 | Passive fetal heart monitoring system A fetal heart monitoring system and method for detecting and processing acoustic fetal heart signals transmitted by different signal transmission modes. One signal transmission mode, the direct-contact mode, occurs in a first frequency band when the fetus... | 04/22/2003 |
| 6522916 | Telemetric system for fetal care A telemetric system for fetal health, which receives data of a pregnant woman or a fetus of the pregnant woman, analyzes the received data and reporting a diagnosis result in order to make a diagnosis of fetal health without the pregnant woman calling on ... | 02/18/2003 |
| 6434418 | Apparatus for measuring intrauterine pressure and fetal heart rate and method for using same A modified Foley catheter transmits desired data to transducers that allow the measuring of intrauterine pressure and fetal heart rate by healthcare providers on appropriate output devices. A method employs the catheter to indirectly measure intrauterine ... | 08/13/2002 |
| 6363272 | Connector for fetal probe A fetal electrode assembly including a housing having a first opening for receiving a first connector and a second opening for receiving a second connector. The second connector is a snap connector of an electrode mounted on a mother's body. A support is ... | 03/26/2002 |
| 6356778 | Connector assembly for fetal scalp electrode A connector assembly for a fetal scalp electrode for use in monitoring fetal heart rate. The connector assembly is used in conjunction with a fetal monitor coupling device and includes a holder formed of an insulating material and a fetal electrode and a ... | 03/12/2002 |
| 6350237 | Method and apparatus for monitoring fetal status data A system is provided for remotely monitoring fetal status parameters. Status parameters are sampled from patient sensors and are processed and stored in a medical facility data management system. A general purpose data presentation application, such as a ... | 02/26/2002 |
| 6339719 | Apparatus and method for detecting sounds from a human body and displaying the detected sound information The present invention provides an apparatus and method for detecting sounds from a human body and displaying the detected sound information. The apparatus comprises a stethoscope for collecting sounds, a piezoelectric device for converting the collected s... | 01/15/2002 |
