Patent application number | Description | Published |
20100198091 | Multi-Tier System for Cardiology and Patient Monitoring Data Analysis - In a multi-tier patient monitoring data analysis system, an algorithm server is positioned as a middle tier between an acquisition device, such as a cardiograph or patient monitor that can be seen as a lower tier, and a storage device for a database, such as that of a central computer for a hospital or clinic that can be seen as an upper tier. The algorithm server gathers current data from the real time acquisition device and obtains previously stored ECG signal data from the database. The algorithm server contains ECG analysis algorithm(s) and runs one or more algorithms using the current and previously acquired ECG signal data. Analysis algorithms may also be run on the acquisition device. The system provides the rapid, extensive, and thorough ECG analysis that is critical to patient welfare. | 08-05-2010 |
20110125042 | Method of Presenting Electrocardiographic Data - A system and method of presenting physiological data in a component ring. The method includes receiving a plurality of leads of physiological data. Morphology features are extracted from the plurality of leads. The morphology features are graphed by presenting a component ring associated with each of the morphology features. The system includes at least two sensors configured to collect physiological data. A processor is configured to extract amplitudes of morphology features. A graphical user interface is configured to graphically display the morphology features in a plurality of component rings. | 05-26-2011 |
20110251507 | Method, Computer Readable Medium, and System for Analyzing ECG Morphology and Time Series - A method and apparatus for analyzing the QT interval characteristics of ECG signal data having a succession of waveforms produced by the beating of the heart. ECG signal data is obtained from a patient. The R-R interval and the QT intervals of the waveforms of the ECG signal data are determined. Waveforms of the ECG signal data having a stable heart rate are selected for use in determining the QT interval characteristics. Preferably, the waveforms selected are those having minimum R-R interval standard deviation and minimum R-R interval dispersion. The QT correction (QTc) is computed from the ECG signal data waveforms selected in the foregoing manner or on the basis of clinician editing. The R-R intervals, the QT intervals, and QTc for the heart beats of the selected waveforms are displayed for analysis and diagnosis purposes. The invention can also be used, in an analogous manner, to obtain and display other cardiac data from the ECG waveforms. | 10-13-2011 |
20110275950 | Method and Apparatus with Reduced Electrode System Specific ECG Interpretation - A method and apparatus for processing electrocardiographic signals of a patient. The apparatus comprises ten or fewer electrodes connected to a patient at least one of the standard twelve lead ECG electrode positions. The apparatus further comprises a plurality of ECG interpretation algorithms, each of the algorithms specifically tailored for analyzing a twelve lead ECG comprising both measured and derived ECG leads. The method of the present invention comprises determining whether an ECG lead is measured or derived and selecting an ECG interpretation algorithm based upon this determination. | 11-10-2011 |
20120030255 | SYSTEMS AND METHODS FOR MODELING ELECTRICAL ACTIVITY OF AN ANATOMICAL STRUCTURE - A system for modeling electrical activity of an anatomical structure. The system includes a database that is configured to store cell set data corresponding to a group of cells of the anatomical structure. The cell set data includes a cell model that represents electrical activity of the group of cells. The cell model has a model parameter that relates to ion channels in the cells. The electrical activity represented by the cell model is at least partially based upon the model parameter. The system also includes a user interface that is configured to accept user inputs to change the model parameter and thereby change the electrical activity represented by the cell model to form a reconfigured cell model. The system also includes a display that is configured to display the user inputs and a processor that is configured to determine the electrical activity of the anatomical structure using the reconfigured cell model. | 02-02-2012 |
Patent application number | Description | Published |
20100108898 | SYSTEMS, METHODS AND APPARATUS FOR REDUCTION OF FIELD-EFFECT TRANSISTOR LEAKAGE IN A DIGITAL X-RAY DETECTOR - Systems, methods and apparatus are provided through which in some implementations field-effect-transistor (FET) leakage from a pixel array panel of a digital X-ray detector is reduced by acquiring an image and an offset image from the pixel array panel of the digital X-ray detector while a negative voltage of the pixel array panel is at a higher level than a negative voltage of a threshold state of the pixel array panel of the digital X-ray detector. | 05-06-2010 |
20100183124 | Gain Calibration and Correction Technique for Digital Imaging Systems - A gain correction and calibration technique for digital imaging systems is provided. In one embodiment, a method may include acquiring a plurality of dark images via a digital detector of an X-ray system. Acquiring the plurality of dark images may include acquiring data from a plurality of data channels of the digital detector during an analog test mode of the digital detector in which calibration voltages are applied to the data channels. The method may also include calibrating a channel gain map of the detector based on the plurality of dark images. Additional systems, methods, and devices are also disclosed. | 07-22-2010 |
20100185459 | SYSTEMS AND METHODS FOR X-RAY IMAGE IDENTIFICATION - Systems and methods for x-ray image identification are provided. The systems and methods associate patient information with image information. The method includes acquiring patient information from an identification member external to the digital x-ray detector and storing the patient information within the x-ray detector or on an image. The method further includes associating the patient information with the images acquired by the x-ray imaging system and communicating the acquired images with associated information to a host system when the x-ray detector is connected to the host system. | 07-22-2010 |
20110255666 | SYSTEM AND METHOD FOR MONITORING X-RAYS RECEIVED BY A PORTABLE IMAGING DETECTOR - A method for imaging an object includes radiating the object of interest and sensing the radiation that penetrates through the object using a detector having at least one active area and at least one inactive area, determining when the radiation is completed using information received from the inactive area of the imaging detector, and reconstructing an image of the object using information received from the active area of the imaging detector. A medical imaging system and a computer-readable medium are also provided. | 10-20-2011 |
20120074329 | DIGITAL X-RAY DETECTOR WITH INCREASED DYNAMIC RANGE - In one embodiment, a digital X-ray detector is provided with a plurality of pixel regions. Each pixel region includes a first photodiode having a first area and a second photodiode having a second area equal to or smaller than the first area. The digital X-ray detector also includes a shielding structure that overlies the first and second photodiodes of each pixel region with the shielding structure shielding proportionally less of the first photodiode than of the second photodiode to provide the first photodiode with a first sensitivity and the second photodiode with a second sensitivity lower than the first sensitivity. | 03-29-2012 |
20120189098 | X-RAY SYSTEM AND METHOD WITH DIGITAL IMAGE ACQUISITION - An X-ray imaging system includes a digital X-ray detector configured to acquire X-ray image data without communication from a source controller and to send the X-ray image data to a portable detector control device for processing and image preview. The source controller is configured to command X-ray emissions of X-rays from an X-ray radiation source for image exposures. | 07-26-2012 |
20120189099 | X-RAY SYSTEM AND METHOD FOR PRODUCING X-RAY IMAGE DATA - An X-ray imaging method includes performing an X-ray exposure via an X-ray radiation source responsive to a source controller. The method also includes sampling X-ray image data via a digital detector without communication of timing signals from the source controller. The method further includes combining the sampled X-ray image data of at least one imaging frame or two or more imaging frames with at least one of the frames spanning a duration in which the exposure occurred, to produce X-ray image data capable of being reconstructed into a user-viewable image. | 07-26-2012 |
20120189100 | X-RAY SYSTEM AND METHOD FOR SAMPLING IMAGE DATA - An X-ray imaging method includes in a digital X-ray detector including an array of discrete picture elements each including a photodiode and a transistor, applying a first voltage to the transistors of the discrete picture elements. The method also includes preparing for acquisition of X-ray image data by sampling data from the discrete picture elements while applying a second voltage to the transistors of the discrete picture elements not then being sampled, the second voltage being more negative than the first voltage. The method further includes receiving X-ray radiation on the detector from a source. The method yet further includes sampling X-ray image data from the discrete picture elements while applying the second voltage to the transistors of the discrete picture elements not then being sampled. | 07-26-2012 |
20120275569 | RADIOLOGICAL IMAGE NOISE REDUCTION SYSTEM AND METHOD - A method for controlling a X-ray radiography system includes acquiring data from a digital X-ray detector, characterizing electromagnetic interference based upon the acquired data, selecting an electromagnetic interference compensation algorithm based upon the characterized electromagnetic interference, acquiring X-ray imaging data via the digital X-ray detector based upon the selected electromagnetic interference compensation algorithm, and processing the X-ray imaging data to produce image data capable of reconstruction in a user viewable form. | 11-01-2012 |
20120275678 | X-RAY SYSTEM AND METHOD FOR PROCESSING IMAGE DATA - A method for processing X-ray image data includes exposing a digital detector to X-ray radiation. The method also includes sampling data via the digital detector including X-ray image data and offset image data. The method further includes calculating an average offset image without prior knowledge of a total number of offset image frames sampled. | 11-01-2012 |
20140064454 | X-RAY SYSTEM AND METHOD WITH DIGITAL IMAGE ACQUISITION USING A PHOTOVOLTAIC DEVICE - An X-ray imaging system is provided. The X-ray imaging system includes an X-ray radiation source. The X-ray imaging system also includes a source controller coupled to the source and configured to command emission of X-rays for image exposures. The X-ray imaging system further includes a digital X-ray detector configured to acquire X-ray image data without communication from the source controller, wherein the digital X-ray detector includes a photovoltaic device, and the digital X-ray detector is configured to determine one or more of a beginning, end, or duration of an image exposure via the photovoltaic device. | 03-06-2014 |