Patent application number | Description | Published |
20110206256 | VISUALIZATION OF PHYSIOLOGICAL DATA FOR VIRTUAL ELECTRODES - Systems and methods can be utilized to visualize physiological data relative to a surface region (e.g., an organ) of a patient. A computer-implemented method can include storing electroanatomic data in memory representing electrical activity for a predetermined surface region of the patient and providing an interactive graphical representation of the predetermined surface region of the patient. A user input is received to define location data corresponding to a user-selected location for at least one virtual electrode on the graphical representation of the predetermined surface region of the patient. A visual representation of physiological data for the predetermined surface region of the patient is generated based on the location data and the electroanatomic data. | 08-25-2011 |
20120101398 | VISUALIZATION OF ELECTROPHYSIOLOGY DATA - A method for visualization of electrophysiology information can include storing electroanatomic data ( | 04-26-2012 |
20130131529 | SENSING ZONE FOR SPATIALLY RELEVANT ELECTRICAL INFORMATION - Systems and methods are disclosed to determine one or more sensing zones on a body surface for electrocardiographic mapping of a region of interest associated with the heart. The sensing zone can be utilized to facilitate acquisition, processing and mapping of electrical activity for the corresponding region of interest. In other examples, an application-specific arrangement of electrodes can also be provided based on the sensing zone that is determined for the region of interest. | 05-23-2013 |
20130245473 | SYSTEM AND METHODS FOR ASSESSING HEART FUNCTION - Systems and methods can be used to provide an indication of heart function, such as an indication of mechanical function or hemodynamics of the heart, based on electrical data. For example, a method for assessing a function of the heart can include determining a time-based electrical characteristic for a plurality of points distributed across a spatial region of the heart. The plurality of points can be grouped into at least two subsets of points based on at least one of a spatial location for the plurality of points or the time-based electrical characteristics for the plurality of points. An indication of synchrony for the heart can be quantified based on relative analysis of the determined time-based electrical characteristic for each of the at least two subsets of points. | 09-19-2013 |
20130281814 | MULTI-LAYERED SENSOR APPARATUS - A sensor array system ( | 10-24-2013 |
20130324871 | SYSTEM AND METHODS FOR COMPUTING ACTIVATION MAPS - Systems and methods can be used to determine activation information for points along a surface or selected region of interest. In one example, a computer-readable medium having computer-executable instructions for performing a method that includes computing a local activation vector based on relative timing among electrical signals corresponding to neighboring points of a plurality of points on a surface envelope. An activation time can be computed for each of the plurality of points as a function of corresponding local activation vectors. | 12-05-2013 |
20140005563 | VISUALIZATION OF ELECTROPHSIOLOGY DATA | 01-02-2014 |
20140067279 | SIGNAL AVERAGING | 03-06-2014 |
20140088395 | PHYSIOLOGICAL MAPPING FOR ARRHYTHMIA - A non-transitory computer-readable medium can have instructions executable by a processor. The instructions can include an electrogram reconstruction method to generate reconstructed electrogram signals for each of a multitude of points residing on or near a predetermined cardiac envelope based on geometry data and non-invasively measured body surface electrical signals. The instructions can include a phase calculator to compute phase signals for the multitude of points based on the reconstructed electrogram signals and a visualization engine to generate an output based on the computed phase signals. | 03-27-2014 |
20140200467 | COMPOSITE SINGULARITY MAPPING - A method can include storing a plurality of data sets including values computed for each of a plurality of points for a given spatial region of tissue, the values in each of the data sets characterizing electrical information for each respective point of the plurality of points for a different time interval. The method can also include combining the values computed for each of a plurality of points in a first interval, corresponding to a first map, with the values for computed for each of the respective plurality of points in another interval and to normalize the combined values relative to a common scale. The method can also include generating a composite map for the given spatial region based on the combined values that are normalized. | 07-17-2014 |
20140200473 | FOCAL POINT IDENTIFICATION AND MAPPING - A method can determine one or more origins of focal activation. The method can include computing phase for the electrical signals at a plurality of nodes distributed across a geometric surface based on the electrical data across time. The method can determine whether or not a given candidate node of the plurality of nodes is a focal point based on the analyzing the computed phase and magnitude of the given candidate node. A graphical map can be generated to visualize focal points detected on the geometric surface. | 07-17-2014 |
20140200822 | WAVE FRONT DETECTION FOR ELECTROPHYSIOLOGICAL SIGNALS - A method to calculate and visualize dynamic wave front propagation of electrical signals on a geometric surface is described. Wave front locations are identified on the geometric surface between each identified pair of adjacent nodes on the geometric surface. A graphical map can be generated to represent the identified wave front locations on at least a portion of the geometric surface. | 07-17-2014 |
20140200823 | NON-LOCAL MEAN FILTERING FOR ELECTROPHYSIOLOGICAL SIGNALS - A method can include storing input electrical signal data representing at least a given electrophysiological signal acquired from a patient. A non-local mean filter can be applied to the given electrophysiological signal, the non-local mean filter including a spatial filter component and an intensity filter component. The method can also include controlling parameters to establish weighting of each of the spatial filter component and the intensity filter component in response to a control input. Filtered signal data can be stored based on the applying and the controlling. | 07-17-2014 |
20140200874 | MULTI-PARAMETER PHYSIOLOGICAL MAPPING - A map generator can be programmed to generate a multi-parameter graphical map by encoding at least two different physiological parameters for a geometric surface, corresponding to tissue of a patient, using different color components of a multi-dimensional color model such that each of the different physiological parameters is encoded by at least one of the different color components. | 07-17-2014 |
20140235989 | LOCALIZATION FOR ELECTROCARDIOGRAPHIC MAPPING | 08-21-2014 |
20140336520 | ANALYSIS AND DETECTION FOR ARHYTHMIA DRIVERS - Systems and methods are provided to detect and analyze arrhythmia drivers. In one example, a system can include a wave front analyzer programmed to compute wave front lines extending over a surface for each of the plurality of time samples based on phase information computed from electrical data at nodes distributed across the surface. A trajectory detector can be programmed to compute wave break points for each of the wave front lines and to determine a trajectory of at least one rotor core across the surface. A stability detector can be programmed to identify at least one stable rotor portion corresponding to subtrajectories of the determined trajectory. | 11-13-2014 |