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Electrocardiogram patents

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This page is updated frequently with new Electrocardiogram-related patent applications.




 Preauthorized wearable biometric device,  use thereof patent thumbnailPreauthorized wearable biometric device, use thereof
Embodiments are directed towards authenticating users using biometric devices. The biometric device may be arranged to capture one or more biometric feature of a user that may be wearing the biometric device such as biometric features that correspond to an electrocardiogram of the user.
Nymi Inc.


 Ultra high impedance sensor with applications in neurosensing patent thumbnailUltra high impedance sensor with applications in neurosensing
A sensor circuit usable with capacitive sensors in an electrical potential sensing network is provided. The sensor circuit provides bias current while maintaining a high input impedance for signals in a frequency band of interest by positive feedback of a filtered measurement through a finite impedance.
Zengar Institute Inc.


 Variable bandwidth ecg high pass filter patent thumbnailVariable bandwidth ecg high pass filter
An electrocardiogram high pass filter (25) employs a baseline low pass filter (40), a signal delay (44) and a signal extractor (45). In operation, baseline low pass filter (40) includes a finite impulse response filter (41) and an infinite impulse response low pass filter (42) cooperatively low pass filtering a baseline unfiltered electrocardiogram signal (ecgbu) to output a filtered baseline signal (bsef).
Koninklijke Philips N.v.


 Method for non-contrast enhanced magnetic resonance angiography patent thumbnailMethod for non-contrast enhanced magnetic resonance angiography
A method for non-contrast enhanced magnetic resonance angiography (“mra”) that has a short scan time and is insensitive to patient motion is provided. More particularly, the method provides significant arterial conspicuity and substantial venous signal suppression.
Ghost Medical Technologies, Ltd.


 User authenticating method and head mounted device supporting the same patent thumbnailUser authenticating method and head mounted device supporting the same
A head mounted device (hmd) includes an imaging unit configured to capture at least one image of a partial region of an iris, an electrocardiogram (ecg) sensor configured to receive an ecg signal, and a control unit configured to acquire at least one image of the partial region of the iris and ecg signals, and authenticate a user by using the acquired image(s) of the partial region of the iris and the ecg signals.. .
Samsung Electronics Co., Ltd.


 Method and device to predict adverse cardiovascular events and mortality from an electrocardiogram-based validated risk score patent thumbnailMethod and device to predict adverse cardiovascular events and mortality from an electrocardiogram-based validated risk score
The present invention is directed to methods for predicting risk of adverse cardiovascular events and/or mortality in an individual comprises the steps of: a) recording an electrocardiogram from the individual; b) analyzing the electrocardiogram to detect the presence of wave form elements; c) calculating a risk score based on the presence of the wave form elements; and d) predicting risk of adverse cardiovascular events and/or mortality based on the risk score. In another aspect, calculation of the risk score is based on a longitudinal assessment of wave form elements and adverse cardiovascular events and mortality in a population-based cohort study.

 Electrocardiogram signal detection patent thumbnailElectrocardiogram signal detection
Apparatuses and methods for extracting, de-noising, and analyzing electrocardiogram signals. Any of the apparatuses described herein may be implemented as a (or as part of a) computerized system.
Alivecor, Inc.


 Devices and methods for real-time denoising of electrocardiograms patent thumbnailDevices and methods for real-time denoising of electrocardiograms
Apparatuses and methods (including methods of using such apparatuses) for de-noising electrocardiograms (ecgs) by manually or automatically adjusting the amount of filtering of an ecg signal. For example, real-time ecg signals may be filtered by combining in a weighted fashion an unfiltered portion of an ecg (or a filtered portion of the same ecg) with the same portion of the ecg that has been filtered.
Alivecor, Inc.


 Cardiovascular monitoring device patent thumbnailCardiovascular monitoring device
The present invention is related to a cardiovascular monitoring device including an inflatable cuff for surrounding a limb of a user, at least a first and a second electrodes, a controlling circuitry with a processor accommodated in a housing, and a display element. The controlling circuitry is configured to perform a blood pressure measurement through controlling a pressure inside the inflatable cuff, and perform an electrocardiogram measurement by using the electrodes.

 Two electrode  twelve lead ecg patent thumbnailTwo electrode twelve lead ecg
Described herein are methods, apparatuses, and systems for heart monitoring of a patient. The heart monitoring system can be used to take an electrocardiogram (ecg) using only two electrodes.
Alivecor, Inc.


Cardiovascular monitoring device


The present invention is related to a cardiovascular monitoring device including an inflatable cuff for surrounding a limb of a user, at least a first and a second electrodes, a controlling circuitry with a processor accommodated in a housing, and a display element. The controlling circuitry is configured to perform a blood pressure measurement through controlling a pressure inside the inflatable cuff, and perform an electrocardiogram measurement by using the electrodes.

Electrocardiogram (ecg)-based authentication apparatus and method thereof, and training apparatus and method thereof for ecg-based authentication


Provided are electrocardiogram (ecg)-based authentication and training. An authentication method includes generating a feature vector of an ecg obtained from an entity or a person based on a dictionary, classifying the ecg through a classifier based on the feature vector, and performing authentication based on a classification result..
Samsung Electronics Co., Ltd.


Assessment of hemodynamic function in arrhythmia patients


electrocardiogram (ecg)-gated cardiac magnetic resonance imaging (mri) alone may be unable to capture the hemodynamics associated with arrhythmic events. As a result, values such as ejection fraction are acquisition dependent.
The Trustees Of The University Of Pennsylvania


Detection of r-peak point in an electrocardiogram signal


Detection of r-peak signal in an electrocardiogram signal is provided. An electrocardiogram signal representing heart activity of an individual is received.

Automotive key device, steering wheel docking station, and system including the automotive key device and the steering wheel docking station


Provided is an automotive key device connected, in the form of a holder, to a mechanism of opening or shutting an automotive door or merged with the mechanism of opening or shutting the automotive door. The automotive key device includes an electrocardiogram (ecg) sensor having a first body signal electrode and a second body signal electrode and a contact terminal electrically connected to the ecg sensor.
Huinno, Co., Ltd.


Screening system for fatigue and stress


A screening system for fatigue and stress has a storage unit which, during screening for fatigue and stress, stores master data composed of reference values for each age, a decision unit which decides by comparing a measurement data obtained by electrocardiogram and pulse wave measurement of the subject with the reference value, and outputs a result of decision classified into the plurality of classifications, and a computing unit which receives the decision results, and calculates autonomic nerve function age ranks, wherein the decision means has an autonomic nerve decision unit which decides autonomic nerve strength, and an autonomic nerve balance decision means which decides the autonomic nerve balance.. .

Ambulatory extended-wear electrocardiography and syncope sensor monitor


Physiological monitoring can be provided through a syncope sensor imbedded into an electrocardiography monitor, which correlates syncope events and electrocardiographic data. Physiological monitoring can be provided through a lightweight wearable monitor that includes two components, a flexible extended-wear electrode patch and a reusable monitor recorder that removably snaps into a receptacle on the electrode patch.
Bardy Diagnostics, Inc.


Improved ecg-based triggering for magnetic resonance imaging


A method of imaging, by means of magnetic resonance, at least a portion of a human or animal subject of interest (20) positioned in a static magnetic field, the method comprising: —taking measurements of electrocardiogram data; —generate vector cardiogram data from the electrocardiogram data; —determining at least one parameter of an acquisition period of acquiring magnetic resonance signals from the vector cardiogram data in order to synchronize measurement of magnetic resonance signals to a cyclic movement of the heart of the subject of interest (20); wherein the at least one parameter of the acquisition period is determined from an actual value of a discriminating function and a predetermined reference function, wherein for determining the at least one parameter of the acquisition period, a step of adapting at least one of the discriminating function and the predetermined reference function is executed, dependent on a breathing status of the human or animal subject of interest (20); and—a magnetic resonance imaging system (10) for acquisition of images of at least a portion of a human or animal subject of interest (20), synchronized to a cyclic movement of the heart of the subject of interest (20), comprising: —a control unit (28) for controlling functions of the magnetic resonance imaging system (10); —an image processing unit (34) provided for processing acquired magnetic resonance signals; —an electrocardiogram device (36) for taking measurements of electrocardiogram data of the heart of the subject of interest (20); —a synchronization unit (40) coupled to the electrocardiogram device (36) and configured for determining at least one parameter of an acquisition period from the vector cardiogram data, wherein the synchronization unit (40) is configured to provide trigger signals (60) indicative of the determined at least one parameter of the acquisition period to the control unit (28); and wherein the synchronization unit (40) is configured to adapt at least one of the discriminating function and the predetermined reference function, dependent on a breathing status of the human or animal subject of interest (20).. .
Koninklijke Philips N.v.


Alarm notification apparatus, diagnostic monitoring


An alarm notification apparatus includes an event detector for monitoring vital information of a body, such as a blood pressure and electrocardiogram, to check whether an anomalous event has occurred to the body. A reliability evaluator evaluates reliability of a result of detection of the anomalous event in the event detector.
Fujifilm Corporation


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Physiological sensor pod with reset circuit


A physiologic sensor pod comprises a housing, and first and second electrodes on a bottom surface of the housing and spaced apart from one another. Within the housing is a battery, a battery charging circuit, an electrocardiogram (ecg) sensor circuit powered by the battery and adapted to sense an ecg signal, and a reset detection circuit.
Salutron, Inc.


System for providing electrocardiogram (ecg) analytics for electronic medical records (emr)


The system of the present application includes computerized diagnostic ecg that is tailored for the emr. The system and method of the present application provides several new approaches to the computerized ecg based on information available from the emr through an emr portal.

Electrocardiogram noise reduction


A catheterization system that includes an electrophysiologic (ep) catheter which has a lumen receiving an electrically conductive fluid delivered by a hydraulic line that is acted upon by a peristaltic pump advantageously avoids noise in intracardiac ecg signal recordings by using an electrical connection to short triboelectrical charge carried by the conductive fluid in the hydraulic line to an existing analog ground in the system. In one embodiment, the electrical connection includes an electrically conductive wire housed in the control handle and configured to provide electrical connection between the fluid and a pin on a printed circuit board housed in the control handle that is electrically connected to the analog ground.

System and serial comparison of 12-lead electrocardiogram (ecg) during episode-of-care


The system and method of the present application selects and presents ecgs that are most important to the user in conjunction with a measurement trend that relates to the diagnosis and management of the abnormality. In addition, the system and method of the present application will guide the user to verify whether the ecgs selected by the computer were valid and if not guide the user through measurement trends to find 12-ecgs of significance..

Leadless cardiac stimulation systems


Various configurations of systems that employ leadless electrodes to provide pacing therapy are provided. In one example, a system that provides multiple sites for pacing of myocardium of a heart includes wireless pacing electrodes that are implantable at sites proximate the myocardium using a percutaneous, transluminal, catheter delivery system.

Reconstruction of aneurysm wall motion


A framework for image-based reconstruction is provided herein. In accordance with one aspect, the framework receives three-dimensional projection image data of an aneurysm wall in a vascular structure of interest and electrocardiogram signal data, wherein the three-dimensional projection image data is correlated to phases of the electrocardiogram signal data.
Siemens Medical Solutions Usa, Inc.


Method and system for generating twelve-lead electrocardiogram signals using three differential voltages


In a method and system for generating twelve-lead ecg signals based on three differential voltages, each of which is defined as a potential difference between two myoelectric signals sensed respectively by two corresponding electrodes that cooperatively constitute a corresponding differential electrode pair and that are disposed on a user's chest at predetermined specific locations, a signal processor generates the twelve-lead ecg signals using a pre-established dynamic system model that is associated with the specific locations of the electrodes on the user's chest and that is configured with temporal and spatial correlations among twelve leads of an ecg.. .
National Chiao Tung University


Stethoscope device


A stethoscope device is disclosed, which comprises a heart sound sensor comprising a sensing portion to detect a heart sound signal having a periodic first heart sound and a periodic second heart sound; an electrocardiogram sensor comprising two electrodes to detect an electrocardiogram signal having a periodic r wave; a microprocessor for extracting amplitudes of the r wave from the electrocardiogram signal and analyzing appearing positions of the r wave to provide appearing positions of a periodic notification pulse wave to a predetermined reference signal and combine the reference signal with the heart sound signal to form a sound signal; and an output unit to output the sound signal; wherein each pulse of the notification pulse wave of the sound signal provides a notification sound.. .
Dailycare Biomedical Inc


Photoacoustic apparatus


A photoacoustic apparatus sets a light irradiation timing such that a subject is irradiated with pulsed light at least once within a period extending from a start timing determined on the basis of a generation timing of an r-wave in an electrocardiogram signal to a point at which a first time extending from the generation timing of the r-wave in the electrocardiogram signal to a generation timing of a t-wave in the electrocardiogram signal elapses, and sets the light irradiation timing such that the subject is not irradiated with the pulsed light in a period outside the period extending from the start timing to a point at which the first time elapses.. .
Canon Kabushiki Kaisha


Defibrillator display


An external defibrillator system is provided. The system includes: graphical display; one or more sensors for obtaining co2 data for a patient over a time interval; one or more sensors for obtaining information about a patient's heart activity over the time interval; and a controller.
Zoll Medical Corporation


Medical support device


The medical support device is detachably provided in a cradle device installed inside an ambulance, and is used in a state in which the medical support device is detached from the cradle device and a state in which the medical support device is attached to the cradle device. The medical support device operates in a first support mode when the medical support device is detached from the cradle device, and operates in a second support mode when the medical support device is attached to the cradle device.
Fujifilm Corporation


Electrocardiography system


Embodiments include an electrocardiography system that includes or is connected to a sensor arrangement, wherein the sensor arrangement includes surface electrodes that record electric signals. The electrocardiography system includes a signal processing unit, with filters and amplifiers, which is electrically connected to the sensor arrangement.
Biotronik Se & Co. Kg


Real-time multi-functional ecg signal processing system, dspe for the ecg signal processing system, and method thereof


An electrocardiogram (ecg) signal processing system is provided. The ecg signal processing system comprises an analog-to-digital converter (adc) configured to convert an input analog ecg signal into a digital ecg signal, and a digital signal processing engine (dspe) coupled to the adc to receive the digital ecg signal.
Agency For Science, Technology And Research


Systems and methods for performing electrocardiograms


A system for performing an electrocardiogram (ecg) can include a handheld electrocardiograph device having a right arm electrode, a left arm electrode, and a left leg electrode, and can be configured to receive signals from the electrodes and to send data based on the electrode signals to a mobile electronic device. The mobile electronic device can be configured to process and analyze the receive information to provide ecg data, such as 6-lead ecg data.

Ecg features for type ahead editing and automatic update for report interpretation


An electrocardiogram (ecg) device includes a processor (114), a memory (116) coupled to the processor and an interface (120) configured to generate an edit window and configured to permit user input in the edit window. A type ahead module (124) is stored in the memory and is responsive to input entered in the edit window.
Koninklijke Philips N.v.


Medical device having automated ecg feature extraction


A medical device having automated electrocardiogram (ecg) feature extraction is disclosed. The medical device includes input circuitry configured to receive an ecg signal.
Khalifa University Of Science, Technology, And Research


Medical device for detecting a ventricular arrhythmia event


A medical device and method for detecting a ventricular arrhythmia event is disclosed. The medical device includes input circuitry configured to receive an electrocardiogram (ecg) signal, processing circuitry coupled to the input circuitry and configured to identify at least one fiducial point of a first heartbeat signature and at least fiducial point of a second heartbeat signature of the ecg signal, and feature extraction circuitry coupled to the processing circuitry.
Khalifa University Of Science, Technology, And Research


Method and system for extracting ventricular fibrillation signals in electrocardiogram


This invention discloses a system and a method for extracting vf signal in ecg recorded during uninterrupted cpr. The present invention provides a method for extracting a ventricular fibrillation (vf) signal in electrocardiography (ecg), comprising: receiving an ecg signal; adding a plurality of shadowing functions to the ecg signal, to obtain a plurality of modification signals; decomposing the plurality of modification signals by using an empirical mode decomposition (emd) method, to generate a plurality of intrinsic mode functions (imfs); calculating the sum of imfs in different frequency regions based on time sequence, dividing by a number of the shadowing signal, to obtain a plurality of modification intrinsic mode functions; combining the plurality of modification imfs with the same property, to obtain a shape function; modeling the shape functions to obtain a compression signal; and subtracting the compression signal from the ecg signal based on time sequence, to obtain the vf signal..
National Central University


Three-dimensional electrode and a biological probe comprising the same


The present invention provides a three-dimensional electrode having high cell affinity and capacitive coupling, comprising a pillar portion and a spherical portion, wherein the diameter of the spherical portion is larger than that of the pillar portion, and the carbon nanotubes are coated on the spherical portion, and pillar portion and the spherical portion are made of material selected from metal materials. The present invention may be used for developing biological probes having high cell affinity and capacitive coupling so as to provide high accuracy for measurement of neural cells or electrocardiograms and prevent from distortion..
National Tsing Hua University


Systems and methods for assessing electrocardiogram reliability


The present technology is an automated method for determining whether a patient-specific electrocardiogram (ecg) is either (a) normal and can be excluded from manual review or (b) abnormal and included for manual review. In one embodiment, the method comprises comparing a plurality of characteristics of the ecg with predetermined subthreshold levels that are set less than clinically significant levels of abnormality of the characteristics, wherein the characteristics of the ecg are selected from the group including t-wave inversion, st-depression, qt segment duration, delta wave character, anterior s-wave character and ectopic or pre-mature beats.
Cardiac Insight, Inc.


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Cerebrovascular analyzer


The present invention relates to a cerebrovascular analysis system which enables early diagnosis of various incurable cerebrovascular diseases such as cerebral thrombosis by measuring an elastic coefficient, blood vessel compliance, blood flow resistance, and blood flow in each cerebrovascular branch. The measurement is achieved by biomechanically analyzing blood vessels in the brain using an electrocardiogram, phonocardiogram, electroencephalogram, pulse wave, and ultrasonic doppler signal as basic data in order to measure biomechanical properties and blood flow properties of blood vessels in the brain for the diagnosis of cerebrovascular diseases..

Biological state eliminating apparatus and method


A biological state estimating apparatus includes a pair of electrocardiographic electrodes, a photoplethysmographic sensor, and a controller that includes a peak detecting section, a pulse transmission time measuring section, a correlation information storing section, and a biological state estimating section. The electrocardiographic electrodes detect an electrocardiogram signal and the photoplethysmographic sensor, which has light-emitting and light-receiving elements, detects a photoplethysmogram signal.

Exercise equipment and exercise equipment set


Provided is exercise equipment including a gripping section that is gripped by a user; a weight section that is connected to the gripping section; a first electrode that is arranged on the gripping section; a second electrode that is arranged on the weight section; a measuring section that measures at least one of body fat percentage of the user and an electrocardiogram waveform of the user, using the first electrode and the second electrode.. .

Electrocardiogram display device


An electrocardiogram display device includes an electrocardiogram waveform generating unit that generates electrocardiogram waveforms of a plurality of leads based on electrocardiogram data of each of the leads, an arranging instruction unit that instructs an arranging order of the electrocardiogram waveform of each lead by performing inputting, a display unit, and a displaying control unit that arranging the electrocardiogram waveform of each lead in a corresponding arranging order in response to instruction of the arranging instruction unit to create and display one screen image on the display unit.. .
Nihon Kohden Corporation


Long term measuring and recording device for electrocardiography


A device for long term sensing and recording electrocardiogram includes a housing body, electrodes, a processing circuit, a water-proof film and at least one flexible attach layer. The housing body includes an upper body and a lower body sealed to form an internal space for enclosing the processing circuit.
Sigknow Biomedical Corporation Limited


Windowing for identifying shock outcome


A system for managing care of a person receiving emergency cardiac assistance is disclosed that includes one or more capacitors for delivering a defibrillating shock to a patient; one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ecg) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using (a) a mathematical transform from a time domain to a frequency domain applied to the indication of the ecg, and (b) a tapered window for identifying the portion of the indications of the ecg on which the transform is performed.. .
Zoll Medical Corporation


Frequency analysis tool for cardiac resynchronization


Systems and methods are provided for evaluating an expected effectiveness of cardiac resynchronization therapy. electrocardiogram (ecg) data is received as at least one ecg lead from a set of electrodes.
The Cleveland Clinic Foundation


Wireless ekg system


A wireless electrocardiogram (ekg) system having a plurality of wireless electrodes configured to wirelessly transmit ekg data to a display that is configured to display ekg data through a graphical ekg plot. Each wireless electrode includes a barcode thereon configured to allow a user to associate a set of wireless electrodes with a particular display.

Preauthorized wearable biometric device, use thereof


Embodiments are directed towards authenticating users using biometric devices. The biometric device may be arranged to capture one or more biometric feature of a user that may be wearing the biometric device such as biometric features that correspond to an electrocardiogram of the user.
Nymi Inc.


Determining onsets and offsets of cardiac depolarization and repolarization waves


An exemplary computer-implemented method is disclosed for detection of onset of depolarization on far-field electrograms (egms) or electrocardiogram (ecg)-or ecg-like signals. The method includes determining a baseline rhythm using a plurality of body-surface electrodes.
Medtronic, Inc.


Method and device for patient monitoring using dynamic multi-function device


The present invention is directed to an improved method, system and product to provide wireless ecg patient monitoring. Although embodiments make specific reference to monitoring electrocardiogram signal with an adherent patch, the system methods, and device herein may be applicable to any application in which physiological monitoring is used.
Cardiac Technologies International, Inc.


Biological information measuring apparatus


Provided is a practical biological information measuring apparatus that is compact, provides minimal inconvenience worn on the body, and has an extended battery life, the biological information measuring apparatus being capable of instantly displaying a heartbeat interval. A biological information measuring apparatus capable of measuring at least a heartbeat interval of a living body and capable of being attached to a living body, the biological information measuring apparatus characterized in comprising: a plurality of electrodes that come in contact with the living body; signal processing means for electrically processing a change in voltage obtained from the electrodes and creating an electrocardiogram signal; heartbeat interval measuring means for measuring, from the electrocardiogram signal, a heartbeat interval from an interval between one r wave and another adjacent r wave or an interval between one s wave and another adjacent s wave in the electrocardiogram signal; triaxial acceleration measuring means; and temperature measuring means; the biological information measuring apparatus further comprising wireless transmission means for simultaneously and wirelessly transmitting the heartbeat interval obtained by the heartbeat interval measuring means, the triaxial acceleration obtained by the triaxial acceleration measuring means, and the temperature obtained by the temperature measuring means..
Union Tool Co.


User authentication method and apparatus based on electrocardiogram (ecg) signal


A user authentication apparatus includes an electrocardiogram (ecg) waveform acquirer configured to acquire an authentication ecg waveform of a user to authenticate the user; a filter configured to filter the authentication ecg waveform using a kalman filter by applying a reference model parameter extracted from a reference ecg waveform to the kalman filter; and an authenticator configured to compare the filtered ecg waveform and the reference ecg waveform, and determine whether the filtered authentication ecg waveform corresponds to the reference ecg waveform based on a result of the comparing.. .
Samsung Electronics Co., Ltd.


Wearable terminal


There is disclosed a wearable terminal including a main body, a main board provided in the main body, a first touch pad provided in a rear surface of the main body, a flexible board configured to connect the main body and the first touch pad to each other, a band coupled to the main body, wound around a user's wrist to secure the main body to the user's body part, a second touch pad provided in the other surface of one surface contacting with the user's body part when the user wears the band, a flexible board having one end connected to the second touch pad and the other end connected to the main board, and a controller configured to extract an electrocardiogram by measuring a difference of electric potentials of body muscles sensed from the first touch pad and the second touch pad.. .
Lg Electronics Inc.


User authentication method and apparatus based on electrocardiogram (ecg) signal


An authentication apparatus includes an electrocardiogram (ecg) signal receiver configured to receive a target ecg signal, and a preprocessor configured to filter the target ecg signal. The apparatus further includes an authenticator configured to process the filtered target ecg signal based on a pattern of a reference ecg signal, and determine whether the target ecg signal corresponds to the reference ecg signal based on the processing..
Samsung Electronics Co., Ltd.


Electrocardiogram data analysis rapid diagnosis


Periodic electrical signal data, such as electrocardiogram signal data, is collected, analyzed, and transformed into compacted, multi-dimensional matrix that makes it easier for healthcare professionals to analyze the health condition of a patient. The electrical signal data, characterized by periodic deflection elements that collectively form a periodic signal complex, is analyzed to determine peaks of deflection elements, where peaks can vary greatly, but in ways not readily visible on standard electrocardiograms.
The Regents Of The University Of Michigan


Film-type biomedical signal measuring apparatus, blood pressure measuring apparatus using the same, cardiopulmonary fitness estimating apparatus, and personal authentication apparatus


Provided is a film-type biomedical signal measuring apparatus configured in a such a way that a plurality of metallic thin film electrodes and a circuit unit are formed on a film-type piezoelectric element so as to easily attach the apparatus to the skin and an electrical signal as well as an electrical signal of a human body is simultaneously measured using the plurality of metallic thin film electrodes and the circuit unit. Accordingly, the film-type biomedical signal measuring apparatus simultaneously measures electrocardiogram (ecg) and ballistocardiogram (bcg) from the simultaneously measured electrical signal and vibration signal of the human body and extracts biomedical information of various types of health indexes such as a heart rate, a stress index, bcg, a blood pressure, an amount of physical activity, a respiration rate, and vo2max from the two different biomedical signals..
Seoul National University R&db Foundaton


Electrocardiogram analysis


A device 1 is described for analyzing electrocardiogram data. The device comprises processing means for comparing at least one parameter, indicative of a morphological feature comprising a multi-dimensional st segment feature, derived from a temporal sequence of electrocardiogram data to a previously determined distribution of the at least one parameter.
Universiteit Gent


Electrocardiogram analysis


A device is described for analyzing electrocardiogram data. The device comprises processing means for comparing at least one parameter derived from a temporal sequence of electrocardiogram data a previously recorded distribution of that parameter obtained from the user under a plurality of different physiological conditions.
Universiteit Gent


Ventricular fibrillation detection


Systems and techniques are disclosed for determining the onset and offset of a ventricular fibrillation event and for distinguishing ventricular fibrillation from noise. In some examples, an electrocardiogram (ecg) signal is obtained; a transform is applied to the ecg signal to obtain an analytical pair, the analytical pair including the ecg signal and the transformed ecg signal; a speed-amplitude is determined from the analytical pair; and an onset of a ventricular fibrillation event is identified based at least one of a value of a cost function of the speed-amplitude over a window and a quantity of occurrences the speed-amplitude crosses a threshold over the window..
Braemar Manufacturing, Llc


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Method for achieving short-distance unlocking according to the electrocardiogram and system thereof


A method for achieving short-distance unlocking according to the electrocardiogram and a system thereof are disclosed. The method comprises the following steps of: a.
Huizhou Tcl Mobile Communication Co., Ltd.


User authentication method and apparatus based on fingerprint and electrocardiogram (ecg) signal


An authentication apparatus includes a biometric data acquirer configured to acquire fingerprint data and an electrocardiogram (ecg) waveform of a user, and a humidity level acquirer configured to acquire a humidity level of skin of the user. The apparatus further includes a similarity extractor configured to adjust a first similarity between the fingerprint data and reference fingerprint data of a pre-registered user, and a second similarity between the ecg waveform and a reference ecg waveform of the pre-registered user, based on the humidity level, and extract a combined similarity based on the adjusted first similarity and the adjusted second similarity.
Samsung Electronics Co., Ltd.


Method, apparatus, and storage medium for reconstructing cardiac image


A method includes: collecting projection data and recording electrocardiogram data when computed tomographic scanning is performed on a patient, selecting, from the projection data and based on the electrocardiogram data, first projection data related to each cardiac pixel in a same phase, and reconstructing, based on the first projection data, an image of the related cardiac pixel, to obtain a cardiac image; determining, based on the electrocardiogram data, a reconstruction phase of each reconstruction pixel in a first reconstruction region, where the first reconstruction region is an image region selected along the patient's head-to-foot direction from the cardiac image; and selecting, based on the reconstruction phase of each reconstruction pixel and from the projection data, second projection data related to the reconstruction pixel in the reconstruction phase, and reconstructing, based on the second projection data, an image of the reconstruction pixel.. .
Shenyang Neusoft Medical Systems Co., Ltd.


Monitor defibrillator with touch screen u/i for ecg review and therapy


A device (200) which includes a monitoring unit (210), a therapy unit (220), and a display (100) that includes a touch screen (110). The monitoring unit (210) can be configured to monitor a person's vital signs, such as a person's electrocardiogram (ecg).
Koninklijke Philips N.v.


Determination for effective defibrillation


A method for managing care of a person receiving emergency cardiac is disclosed and involves monitoring, with an external defibrillator, multiple parameters of the person receiving emergency cardiac assistance; determining from at least one of the parameters, an indication of trans-thoracic impedance of the person receiving emergency cardiac care; determining, from at least one of the parameters corresponding to an electrocardiogram of the person receiving emergency cardiac assistance, an initial indication of likely shock effectiveness; determining, as a function of at least the indication of trans-thoracic impedance and the initial indication of likely shock effectiveness, an indication of whether a shock provided to the person receiving emergency medical assistance will be effective; and affecting control of the defibrillator by a caregiver as a result of determining the indication of whether a shock will be effective.. .
Zoll Medical Corporation


System and determining a risk score for triage


The present disclosure provides a system and method of determining a risk score for triage. In particular, a system is provided for providing an assessment of risk of a cardiac event for a patient, for example an incoming patient to a hospital emergency department complaining of chest pain.
Singapore Health Services Pte Ltd


Implantable medical device sensing and selecting wireless ecg and intracardiac electrogram


A crm system enhances intracardiac electrogram-based arrhythmia detection using a wireless electrocardiogram (ecg), which is a signal sensed with implantable electrodes and approximating a surface ecg. In one embodiment, an intracardiac electrogram allows for detection of an arrhythmia, and the wireless ecg allows for classification of the detected arrhythmia by locating its origin.
Cardiac Pacemakers, Inc.


System and distinguishing a cardiac event from noise in an electrocardiogram (ecg) signal


A cardiac monitoring device includes: at least one sensing electrode for obtaining an electrocardiogram (ecg) signal from a patient; a processing unit comprising at least one processor operatively coupled to the at least one sensing electrode; and at least one non-transitory computer-readable medium comprising program instructions that, when executed by the at least one processor, causes the cardiac monitoring device to: obtain the ecg signal from the at least one sensing electrode; determine a transformed ecg signal based on the ecg signal; extract at least one value representing at least one feature of the transformed ecg signal; provide the at least one value to determine a score associated with the ecg signal, thereby providing an ecg-derived score; compare the ecg-derived score to a predetermined threshold score determined by machine learning; and provide an indication of a cardiac event if the ecg-derived score is one of above or below the predetermined threshold score determined by the machine learning.. .
Zoll Medical Corporation


Method and system for extracting ventricular fibrillation signals in electrocardiogram


This invention discloses a system and method for extracting vf signal in ecg recorded during uninterrupted cpr. The method and system applies an adaptive algorithm incorporating the emd and least mean square (lms) filtering to effectively model the cpr artifacts such as chest compression signals.
National Central University


Apparatus and visualization


Based on heart behavior data, a computation unit determines a first time step at which a heart exhibits a first behavior in response to a first wave of an electrical signal, as well as a second time step at which the heart exhibits a second behavior in response to a second wave of the same. The computation unit reproduces the heart's behavior over time by updating a three-dimensional model of the heart according to the heart behavior data, simultaneously with variations in electrical signal strength over time according to electrocardiogram data.
The University Of Tokyo


Implantable wireless electrocardiogram sensor device


Disclosed is an implantable wireless electrocardiogram sensor device, including: a cylindrical capsule provided with four recesses on a lateral surface thereof in a longitudinal direction thereof at equal intervals; electrodes installed on upper and lower surfaces of the cylindrical capsule and configured to measure electrocardiogram; a wireless electrocardiogram sensor module installed inside the capsule; a data transceiving antenna wound around two recesses symmetrical at a center; and a coil for charging wound around the remaining two recesses in a direction vertical to the antenna.. .
Industry Academic Cooperation Foundation Keimyung University


Apparatus for continuously and automatically measuring pulse wave and measuring blood pressure


Disclosed is an apparatus for continuously and automatically measuring a pulse wave by a non-invasive method to know the state of a cardiovascular system. The apparatus includes an integrated measurement module, a communication power module, and a bio-measurement pad.
K-healthwear Co., Ltd.


Electrocardiogram (ecg) biometric authentication


electrocardiogram, better known as ecg or ekg, is a method used to measure and record the electrical potential generated by the heart on the skin. Ecg data is unique to a user and can be used for authentication systems such as access or financial cards or for granting access to computing devices such as mobile devices.

A vector analysis of electrocardiogram in assessment of risk of sudden cardiac death (scd) due to arrhythmogenic right ventricular dysplasia/cardiomyopathy by quantifying micro scars (i.e. "bites") in three dimensional vector loops


Subject matter of the invention are a method and a system to provide diagnosis of arrhythmogenic right ventricular dysplasia—arvc/d (and similar inherited conditions) that cause sudden cardiac death in otherwise healthy population. Innovative approach in this analysis is possibility to detect so called frusta forms or clinically silent forms.

Selecting energy escalation for defibrillation


In an aspect, a system for treating a patient in cardiac arrest is described and includes memory, one or more electronic ports for receiving signals from sensors for obtaining indications of an electrocardiogram (ecg) of the patient, one or more sensors for obtaining a transthoracic impedance of the patient, and a patient treatment module executable on one or more processing devices that is configured to generate, from the ecg, transform values that represent magnitudes of two or more frequency components of the ecg, and modify, based on at least one transform value, at least one shock delivery parameter.. .
Zoll Medical Corporation


Electrocardiogram identification


A defibrillating system includes a processor coupled to a memory. The processor and the memory are configured to identify a treatment event associated with treatment of a victim with the defibrillating system, and transmit a representation of a portion of an ecg signal associated with the identified treatment event.
Zoll Medical Corporation


Linear multi-domain electrocardiogram


Systems and methods are provided to detect a multi-domain ecg waveform. Electrical impulses are detected between at least one pair of electrodes of two or more electrodes placed proximate to a beating heart and are converted to an ecg waveform for each heartbeat of the beating heart.

Qrs complex identification in electrocardiogram signals


The present subject matter relates to processing of electrocardiogram (ecg) signals, and in particular, relates to identifying a qrs complex in an ecg signal. The method includes receiving, and filtering the ecg signal by passing through at least one of a first low-pass filter and a high-pass filter to obtain a filtered ecg signal.
Indian Institute Of Technology Delhi


System and visually determining a physiological signal threshold


An apparatus, system and method for visually determining a physiological signal threshold are capable of providing a graphical user interface (gui) useful for determining an electrocardiogram threshold parameter. The apparatus includes a physiological signal monitor, a display and a processor.
Dräger Medical Gmbh


Electrocardiogram watch clasp


A device measuring an electrical activity of a heart and being wearable on a body part of a user. The device comprises a strap configurable to be fitted over the body part, and having an interior surface contacting the body part when worn by the user, and an exterior surface facing away from the body part.
Samsung Electronics Co., Ltd.


Medical examination apparatus


An apparatus to enable health care providers to perform a number of diagnostic procedures, including listening to the heart, obtaining electrocardiograms, sonograms, ocular and otoscopic exams; audio and video functions as well as mobile phone capabilities, not limited to voice and text messaging. A pocket size instrument displays an ecg tracing on its screen simultaneously upon auscultation of the heart.
Parace, Llc


Estimating distribution, fluctuation and/or movement of electrical activity through a heart tissue


A computer implemented method for processing measurement data from electrocardiogram, ecg, electrodes on a subject. The method includes obtaining a 3d anatomical model of the torso of the subject, and obtaining a 3d image of the torso of the subject.
Peacs B.v.


User interfaces for mobile and wearable medical devices


Graphical layouts, algorithms, and methods are introduced herein to implement user interfaces for mobile and/or wearable medical devices. In one aspect of the present invention, new graphical layouts are introduced for simplified presentation of time-dependent patient data.

Alternans prevention and termination


In a method of preventing the formation of alternans in the heart of a patient, the heart is paced to control the tr interval of each heartbeat. The method may be performed using a heart monitoring and pacing device that includes a processor, memory, an electrocardiogram (ecg) sensing circuit, and a pulse generator.
Regents Of The University Of Minnesota


Determining arterial pulse wave transit time from vpg and ecg/ekg signals


What is disclosed is a system and method for determining arterial pulse wave transit time for a subject. In one embodiment, a video is received comprising a plurality of time-sequential image frames of a region of exposed skin of a subject where a videoplethysmographic (vpg) signal can be registered by at least one imaging channel of the video device used to capture that video.
Xerox Corporation


Reducing electrocardiogram artifacts during and post cpr


A portable medical device having improved ecg trace display and reporting. Embodiments implement features to ameliorate artifacts created by virtue of attempting to eliminate compression artifacts due to mechanical compression devices.
Physio-control


Determining pulse wave transit time from ppg and ecg/ekg signals


What is disclosed is a system and method for determining a pulse transit time for a subject. In one embodiment, the system comprises a handheld wireless cellular device configured with a sensor to acquire an electrocardiogram (ecg) signal from the subject and a photodetector generating a time-series signal in response to continuously sensing a reflection of source light off a region of exposed skin of the subject where a photoplethysmographic (ppg) signal can be detected by the photodetector.
Xerox Corporation


Terminal and control method thereof


A user terminal device, and a method of controlling a user terminal device are discussed. The user terminal device includes an ear accessory of the user terminal device including a first electrocardiogram (ecg) electrode contacted with an ear of a user, a second ecg electrode contacted with a hand of the user, and a first speaker configured to output an audio signal; a display; and a controller configured to display, on the display, bio information based on a first ecg signal from the first ecg electrode when the ear of the user is contacted with the first ecg electrode, and control an audio playback in response to a second ecg signal from the second ecg electrode when the hand of the user is contacted with the second ecg electrode..
Lg Electronics Inc.


Connection of an electrocardiogram electrode to a data acquisition and/or transfer facility


A connection facility for connecting an electrocardiogram electrode to a data acquisition and/or transfer facility includes a signal line and a connecting element for connecting the signal line to the electrocardiogram electrode. The connecting element has a clamping body with two clamping jaws connected by an elastic reset element between a front and a rear end of the clamping body, and a contact element for making contact with the electrocardiogram electrode arranged at the front end of the clamping body and connected in an electrically conducting manner to the signal line.

Methods and systems for cardiac monitoring with mobile devices and accessories


Systems, devices, and methods are provided for measuring an electrocardiogram (ecg) or other cardiac parameters with an attachable monitoring device. The attachable monitoring device may be coupled to a wearable monitoring device or wearable monitoring devices.
Alivecor, Inc.


System and electrocardiogram analysis and optimization of cardiopulmonary resuscitation and therapy delivery


The system and method provide for electrocardiogram analysis and optimization of patient-customized cardiopulmonary resuscitation and therapy delivery. An external medical device includes a housing and a processor within the housing.
Physio-control, Inc.


Method and device for assessing the risk of cardiovascular complications


The group of inventions is directed to improving the reliability and objectivity of assessment of the risk of cardiovascular complications. Using optical capillaroscopy of the nail fold of a finger in a state of reactive hyperemia and in the absence thereof, the size of the perivascular area and the diameters of the venous and arterial portions of the capillaries are measured.
Cardiobionica Sagl


Hybrid model and diagnostic process for atrial fibrillation


A hybrid model and diagnostic process for atrial fibrillation is provided. The present invention includes performing a combination of tests including an electrocardiogram signal analysis and a systolic pressure test.

System and detecting seizure activity


The system and method for detecting seizure activity combines signal traces from both an electroencephalogram (eeg) and an electrocardiogram (ecg) in order to detect and predict a seizure event in a patient. Determination of a seizure classification of the combination is based on dempster-shafer theory (dst) to calculate a combined probability belief.

Diagnostic representation and interpretation of ecg leads on a digital display


A system for electrocardiogram (ecg) interpretation includes a processor and memory coupled to the processor. A rendering module is stored in the memory and is configured to receive input from an ecg and correlate interpretation statements with ecg measurements responsible for the interpretation statements in the ecg.

Cautery needle for separating and/or penetrating the pericardium


A pericardial needle that punctures a pericardial membrane with cautery to attain access into a pericardial space of a heart by positioning a cautery needle tip adjacent to or in contact with a parietal pericardium of the heart such that the puncturing does not damage the heart muscle. The pericardial needle punctures the parietal pericardium when the heart muscle moves towards the pericardial needle, away from the pericardial needle, is at rest and/or is in synchronization with the systolic contraction period of the cardiac cycle of the heart.

High throughput arrhythmia risk assessment using multilead residua signals


A method and system for high-throughput prediction of the onset of heart arrhythmias observes trends in abnormal or pathologic morphology of the electrocardiogram (ecg). A first set of ecg signals is monitored from a patient.
Beth Israel Deaconess Medical Center, Inc.


Vector-based shock indication


A system for managing care of a person receiving emergency cardiac assistance includes one or more capacitors arranged to deliver a defibrillating shock to a person; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ecg) for the person; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and to provide a determination of a likelihood of success from delivering a future defibrillating shock to the person with the one or more capacitors, using a mathematical computation applied to a vector value defined by signals from at least two of the plurality of signals.. .
Zoll Medical Corporation


Dynamic energy selection for defibrillation


A system for managing care of a person includes one or more capacitors arranged to deliver a defibrillating shock to a patient; one or more electronic ports for receiving a plurality of signals from sensors for obtaining indications of an electrocardiogram (ecg) for the patient; and a patient treatment module executable on one or more computer processors using code stored in non-transitory media and arranged to identify a level of energy to be delivered in a shock to the patient by applying a mathematical computation to current ecg data from the patient and data indicating a present level of trans-thoracic impedance for the patient.. .
Zoll Medical Corporation


Method for detecting abnormalities in an electrocardiogram


B. Performing an operating phase, wherein (i) for each ecg beat to be classified, decompose the ecg beat into the multiple features; (ii) compute values of each membership function identified in the step of performing the training phase for each feature of the ecg beat for the different categories; (iii) merge the membership function values for all features in an ecg beat in a manner as to get a single beat value for each beat category across the features; (iv) identify a value alpha in the range [0,1], such that the difference between the top two beat values across the different beat categories is more than or equal to the sum of the beat values of all the remaining beat categories multiplied by the value alpha and such that a desired percentage of normal or abnormal beat classification is obtained; (v) if an alpha value can be identified, then classify the beat to belong to the beat that has the highest beat value, otherwise classify the beat as abnormal..

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Magnetic resonance imaging apparatus and image processing apparatus


A magnetic resonance imaging apparatus includes a first data acquisition unit, a second data acquisition unit and an image data generating unit. The first data acquisition unit acquires first data from a slice to be a target after a first delay time from a reference of a first heart rate in synchronized with an electrocardiogram.
Toshiba Medical Sytems Corporation


Cardionpulmonary function evaluating apparatus and cardionpulmonary function evaluating method


A cardiopulmonary function evaluating apparatus includes: an electrocardiogram measuring unit which is configured to measure an electrocardiogram of a subject; a photoplethysmogram detecting unit which is configured to detect a photoplethysmogram of the subject; a heart rate calculating unit which is configured to calculate a heart rate (hr) of the subject based on the electrocardiogram; a pwtt calculating unit which is configured to calculate a pulse wave transmission time (pwtt) of the subject based on the electrocardiogram and the photoplethysmogram; an sv calculating unit which is configured to calculate a stroke volume (sv) of the subject based on the heart rate and the pulse wave transmission time; and an outputting unit which is configured to output a state related to the stroke volume of the subject based on the stroke volume that is calculated by the sv calculating unit.. .
Nihon Kohden Corporation


Method and device for patient monitoring using dynamic multi-function device


The present invention is directed to an improved method, system and product to provide wireless ecg patient monitoring. Although embodiments make specific reference to monitoring electrocardiogram signal with an adherent patch, the system methods, and device herein may be applicable to any application in which physiological monitoring is used.
Cardiac Technologies International, Inc.




Electrocardiogram topics:
  • Electrocardiogram
  • Physiologic
  • Arrhythmias
  • Blood Pressure
  • Arrhythmia
  • Executable
  • Ultrasound Image
  • Ultrasound
  • User Interface
  • Pressure Measurement
  • Magnetic Resonance Angiography
  • Shared Memory
  • Angiography
  • Physiological Data
  • Autonomic Nervous System


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