Patent application number | Description | Published |
20080213128 | Use of Ultraviolet Germicidal Irradiation in Health Care Environments - A method of sterilizing a hospital room to at least 99.99% sterility is described which employs UV/ozone sterilization. A method of sterilizing sink-traps using UV radiation is described. A method utilizing UV/ozone sterilization and sink-trap sterilization by UV radiation for sterilization of an environment is also described. | 09-04-2008 |
20090053102 | SYSTEM AND METHOD FOR NONINVASIVE ELECTROCARDIOGRAPHIC IMAGING (ECGI) - Noninvasive systems and methods are provided for determining electrical activity for a heart of a living being. A processor is configured to meshlessly compute data that represents heart electrical activity from a set of noninvasively measured body surface electrical potentials. This is accomplished using data that describes a geometric relationship between a plurality of locations corresponding to where the body surface electrical potentials were measured and the heart. | 02-26-2009 |
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 |
20130304407 | CHANNEL INTEGRITY DETECTION - A computer-implemented method can include determining an amplitude for each of a plurality of input channels, corresponding to respective nodes. A measure of similarity can be computed between the input channel of each node and the input channel of its neighboring nodes. The method can also include comparing an amplitude for each node relative to other nodes to determine temporary bad channels. For each of the temporary bad channels, a measure of similarity can be computed between the input channel of each node and the input channel of its neighboring nodes. Channel integrity can then be identified based on the computed measures of similarity. | 11-14-2013 |
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 |
20140135866 | SYSTEM AND METHODS TO FACILITATE PROVIDING THERAPY TO A PATIENT - A method can include providing ( | 05-15-2014 |
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 |