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36 条记录 (耗时 0.024 秒)

    LOCALIZATION AND TRACKING OF AN OBJECT
    11.
    发明申请
    LOCALIZATION AND TRACKING OF AN OBJECT 审中-公开
    对象的本地化和跟踪

    公开(公告)号：US20160061599A1

    公开(公告)日：2016-03-03

    申请号：US14841198

    申请日：2015-08-31

    申请人： CARDIOINSIGHT TECHNOLOGIES, INC.

    发明人： Qingguo Zeng ,  Ping Jia ,  Charulatha Ramanathan ,  Lijun Yu ,  Jeff Burrell ,  Brian George ,  Qing Lu ,  Ryan Bokan ,  Soniya Bhojwani

    IPC分类号： G01B21/00 ,  A61B19/00

    CPC分类号： G01B7/003 ,  A61B5/061

    摘要： This disclosure relates to localization and tracking of an object. As one example, measurement data can be stored in memory to represent measured electrical signals at each of a plurality of known measurement locations in a given coordinate system in response to an applied signal at an unknown location in the given coordinate system. A dipole model cost function has parameters representing a dipole location and moment corresponding to the applied signal. A boundary condition can be imposed on the dipole model cost function. The unknown location in the given coordinate system, corresponding to the dipole location, can then be determined based on the stored measurement data and the dipole model cost function with the boundary condition imposed thereon.

    摘要翻译： 本公开涉及对象的定位和跟踪。 作为一个示例，响应于给定坐标系中未知位置处的施加信号，测量数据可以存储在存储器中以在给定坐标系中的多个已知测量位置的每一个处表示测量的电信号。 偶极子模型成本函数具有表示与施加的信号相对应的偶极位置和力矩的参数。 可以对偶极子模型成本函数施加边界条件。 然后，可以基于存储的测量数据和施加有边界条件的偶极子模型成本函数来确定给定坐标系中对应于偶极位置的未知位置。

    INTEGRATED ANALYSIS OF ELECTROPHYSIOLOGICAL DATA
    12.
    发明申请
    INTEGRATED ANALYSIS OF ELECTROPHYSIOLOGICAL DATA 有权
    电生理数据综合分析

    公开(公告)号：US20150216438A1

    公开(公告)日：2015-08-06

    申请号：US14614219

    申请日：2015-02-04

    申请人： CARDIOINSIGHT TECHNOLOGIES, INC.

    发明人： RYAN BOKAN ,  Charulatha Ramanathan ,  Ping Jia ,  Maria Strom ,  Qingguo Zeng

    IPC分类号： A61B5/0452 ,  A61B5/0432 ,  A61B5/0245 ,  A61B5/04 ,  A61B5/024 ,  A61B5/00 ,  A61B5/044

    CPC分类号： A61B5/0452 ,  A61B5/02405 ,  A61B5/0245 ,  A61B5/04012 ,  A61B5/0402 ,  A61B5/042 ,  A61B5/044 ,  A61B5/06 ,  A61B5/066 ,  A61B5/4836 ,  A61B5/7264 ,  A61B5/743

    摘要： A method can include analyzing non-invasive electrical data for a region of interest (ROI) of a patient's anatomical structure to identify one or more zones within the ROI that contain at least one mechanism of distinct arrhythmogenic electrical activity. The method also includes analyzing invasive electrical data for a plurality of signals of interest at different spatial sites within each of the identified zones to determine intracardiac signal characteristics for the plurality of sites within each respective zone. The method also includes generating an output that integrates the at least one mechanism of distinct arrhythmogenic electrical activity for the one or more zones with intracardiac signal characteristics for the plurality of sites within each respective zone.

    摘要翻译： 方法可以包括分析患者解剖结构的感兴趣区域（ROI）的非侵入式电气数据，以识别ROI内包含至少一种不同致心律不良电活动的机制的一个或多个区域。 该方法还包括分析在每个识别的区域内的不同空间位置处的感兴趣的多个信号的侵入性电数据，以确定每个相应区域内的多个位点的心内信号特征。 该方法还包括产生一个输出，该输出将一个或多个区域的不同致心律失常电活动的至少一种机制与每个相应区域内的多个位点的心内信号特征相集成。

    COMPOSITE SINGULARITY MAPPING
    13.
    发明申请
    COMPOSITE SINGULARITY MAPPING 有权
    复合平面图

    公开(公告)号：US20140200467A1

    公开(公告)日：2014-07-17

    申请号：US14156951

    申请日：2014-01-16

    申请人： CARDIOINSIGHT TECHNOLOGIES, INC.

    发明人： Maria Strom ,  Qingguo Zeng ,  Remi Dubois ,  Ping Jia ,  Ryan Bokan ,  Venkatesh Vasudevan ,  Charulatha Ramanathan ,  Brian P. George

    IPC分类号： A61B5/00 ,  A61B5/02

    CPC分类号： A61B5/7282 ,  A61B5/0042 ,  A61B5/0044 ,  A61B5/0402 ,  A61B5/044 ,  A61B5/0476 ,  A61B5/7425

    摘要： 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.

    摘要翻译： 一种方法可以包括存储多个数据集，包括为组织的给定空间区域的多个点中的每一个计算的值，每个数据集中的值表征多个点中的每个点的电信息， 不同的时间间隔。 该方法还可以包括将对应于第一映射的第一间隔中的多个点中的每个点计算的值与为另一间隔中的相应多个点中的每个点计算的值相组合，并且将组合值相对于 达到共同的规模。 该方法还可以包括基于归一化的组合值来生成给定空间区域的复合图。

    Connectivity analysis for arrhythmia drivers
    15.
    发明授权
    Connectivity analysis for arrhythmia drivers 有权

    公开(公告)号：US10806359B2

    公开(公告)日：2020-10-20

    申请号：US15498992

    申请日：2017-04-27

    申请人： CARDIOINSIGHT TECHNOLOGIES, INC.

    发明人： Qingguo Zeng ,  Qing Lou ,  Ryan M. Bokan ,  Ping Jia ,  Connor S. Edel ,  Charulatha Ramanathan

    IPC分类号： A61B5/04 ,  A61B5/044

    摘要： One or more non-transitory computer-readable media have instructions executable by a processor and programmed to perform a method. The method includes analyzing the electrical data to locate one or more wave front lines over a given time interval. The electrical data represents electrophysiological signals distributed across a cardiac envelope for one or more time intervals. A respective trajectory is determined for each wave end of each wave front line that is located across the cardiac envelope over the given time interval. A set of connected trajectories are identified based on a duration that the trajectories are connected to each other by a respective wave front line during the given time interval. A connectivity association is characterized for the trajectories in the set of connected trajectories.

    Localization of objects within a conductive volume
    16.
    发明授权
    Localization of objects within a conductive volume 有权

    公开(公告)号：US10568540B2

    公开(公告)日：2020-02-25

    申请号：US14867716

    申请日：2015-09-28

    申请人： CARDIOINSIGHT TECHNOLOGIES, INC.

    发明人： Ping Jia ,  Qingguo Zeng ,  Charulatha Ramanathan ,  Ryan Bokan

    IPC分类号： A61B5/04 ,  A61B5/06 ,  A61B5/053

    摘要： An example method includes applying a localization signal to a source electrode positioned within a conductive volume and a ground electrode at a known location. Electrical activity is sensed at a plurality of sensor electrodes distributed across an outer surface of the conductive volume. The locations of each of the sensor electrodes and the location of the ground electrode being stored in memory as part of geometry data. The electrical activity sensed at each of the sensor electrodes is stored in the memory as electrical measurement data. The method also includes computing a location of the source electrode by minimizing a difference between respective pairs of source voltages determined for the plurality of sensor electrodes. The source voltage for each of the sensor electrodes is determined based on the electrical measurement data and the geometry data.

    Systems and Methods for Electrocardiographic Mapping and Target Site Identification
    20.
    发明申请
    Systems and Methods for Electrocardiographic Mapping and Target Site Identification 有权

    公开(公告)号：US20230036977A1

    公开(公告)日：2023-02-02

    申请号：US17840256

    申请日：2022-06-14

    申请人： CARDIOINSIGHT TECHNOLOGIES INC.

    发明人： Qingguo Zeng ,  Timothy G. Laske ,  Qing Lou

    IPC分类号： A61B5/367 ,  A61B5/35 ,  A61B5/327 ,  A61B34/10

    摘要： In an example, a signal segment evaluator can be programmed to evaluate a morphology of at least one electrophysiological signal to identify a signal segment of interest. The morphology of the signal segment of interest can be indicative of an electrophysiological event of a patient during a respective time interval. A reconstruction engine can be programmed to reconstruct electrophysiological signals on a surface of interest within a body of the patient based on the electrophysiological signals measured from an outer surface of the patient and geometry data representing an anatomy of the patient. A map generator can be programmed to generate a map representing the reconstructed electrophysiological signals on the surface of interest for the respective time interval of the signal segment of interest. A target generator can be programmed to identify a target site within the patient's body based on the map for the electrophysiological event.