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公开(公告)号:US20220400951A1
公开(公告)日:2022-12-22
申请号:US17571496
申请日:2022-01-09
申请人: Ablacon Inc.
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to estimate the action potential wave propagation in a patient's heart, and subsequently to detect at least one location or type of at least one source of, or rotational phenomenon associated with, at least one cardiac rhythm disorder using intracardiac electrodes and a modified multi-frame Horn-Schunck algorithm to generate a map corresponding to a spatial map, the map being configured to reveal on a monitor or display to a user the at least one location of the at least one source of the at least one cardiac rhythm disorder.
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公开(公告)号:US20210000369A1
公开(公告)日:2021-01-07
申请号:US16918588
申请日:2020-07-01
申请人: Ablacon Inc.
IPC分类号: A61B5/0468 , A61B5/042 , A61B5/044 , A61B5/00 , A61B34/20 , A61B5/055 , A61B6/03 , A61B18/14
摘要: Electrographic flow mapping (EGF mapping) is a technique used for aiding catheter ablation when treating atrial fibrillation. Visualizing EGF fields during a cardiac catherization and ablation procedure is an important and necessary part of conducting the procedure. Several different visualization methods are described and disclosed herein that may be employed to visualize EGF fields and maps, including quiver plots, streamline plots, particle plots, particle trail plots, moving particle plots, and moving and fading particle plots.
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公开(公告)号:US20200245885A1
公开(公告)日:2020-08-06
申请号:US16724254
申请日:2019-12-21
申请人: Ablacon Inc
发明人: Philip Haeusser , Peter Ruppersberg
IPC分类号: A61B5/04 , A61B5/00 , A61B5/0408 , A61B5/046 , A61B5/0285 , A61B5/055
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect a location of a source of at least one cardiac rhythm disorder in a patient's heart. In some embodiments, electrogram signals are acquired from a patient's body surface, and subsequently normalized, adjusted and/or filtered, followed by generating a two-dimensional spatial map, grid or representation of the electrode positions, processing the amplitude-adjusted and filtered electrogram signals to generate a plurality of three-dimensional electrogram surfaces corresponding at least partially to the 2D map, one surface being generated for each or selected discrete times, and processing the plurality of three-dimensional electrogram surfaces through time to generate a velocity vector map corresponding at least partially to the 2D map. The resulting velocity vector map maybe employed to classify a patient as one of an A-type patient, a B-type patient, and a C-type patient, and to guide therapy subsequently delivered to the patient. Trained atrial discriminative machine learning models that facilitate the foregoing systems and methods, and that provide predictions or results concerning a patient's condition, are also disclosed.
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公开(公告)号:US20220386924A1
公开(公告)日:2022-12-08
申请号:US17863246
申请日:2022-07-12
申请人: Ablacon Inc.
发明人: Stefan Marcel Denner , Philip Haeusser , Peter Ruppersberg , David Emanuel Luksic , Alessa Tabea Grund
摘要: In some embodiments, there are provided systems, devices, components, and corresponding methods configured to permit navigation and or positioning of an intra-cardiac electrophysiological (EP) mapping basket of an EP mapping catheter inside or near an atrium or other heart chamber of a patient's heart using biosignals or intra-cardiac signals. In one embodiment, QRS complexes are extracted or isolated from intra-cardiac signals sensed by electrodes mounted on the EP mapping basket. Using the QRS complexes, one or more computing devices then determine the locations of the electrodes inside or near the patient's atrium that are associated with each isolated or extracted QRS complex. The one or more computing devices can also be used to determine changes in the three-dimensional locations and orientations of the basket and the electrodes thereof as the basket is moved around, in, or near the patient's atrium, heart chamber, or other portion of the patient's heart. The computing device can also be configured to use position change detection methods to detect basket catheter movements inside or near the patient's heart, determine the three-dimensional coordinates X of each electrode for a given position and orientation of the basket within the patient's heart, determine and display to a user multiple positions of the basket inside or near the patient's heart, and provide a visual display to a user of the locations of the electrodes and/or basket inside or near the patient's heart.
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公开(公告)号:US20220248956A1
公开(公告)日:2022-08-11
申请号:US17499807
申请日:2021-10-12
申请人: Ablacon Inc.
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to classify, and to detect at least one location or type of at least one source of, at least one cardiac rhythm disorder in a patient's heart using one or more body surface electrodes, and/or intracardiac electrodes. Body surface electrogram data, and optionally intracardiac electrode data, representative of cardiac signals acquired from the patient are provided to a computing device, which in turn determines the location and type of the at least one source of the at least one cardiac rhythm disorder in the patient's heart using electrographic flow (EGF) methods, and then classifies same using electrographic volatility index (EVI) methods.
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公开(公告)号:US11672465B2
公开(公告)日:2023-06-13
申请号:US16918588
申请日:2020-07-01
申请人: Ablacon Inc.
IPC分类号: A61B5/364 , A61B5/00 , A61B34/20 , A61B5/055 , A61B18/14 , A61B6/03 , A61B5/287 , A61B5/339 , A61B18/00 , A61B6/00
CPC分类号: A61B5/364 , A61B5/055 , A61B5/287 , A61B5/339 , A61B5/6858 , A61B5/6859 , A61B6/032 , A61B18/1492 , A61B34/20 , A61B6/487 , A61B2018/00351 , A61B2018/00577 , A61B2034/2065
摘要: Electrographic flow mapping (EGF mapping) is a technique used for aiding catheter ablation when treating atrial fibrillation. Visualizing EGF fields during a cardiac catherization and ablation procedure is an important and necessary part of conducting the procedure. Several different visualization methods are described and disclosed herein that may be employed to visualize EGF fields and maps, including quiver plots, streamline plots, particle plots, particle trail plots, moving particle plots, and moving and fading particle plots.
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7.
公开(公告)号:US20230050834A1
公开(公告)日:2023-02-16
申请号:US17831249
申请日:2022-06-02
申请人: Ablacon Inc.
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to extract atrial signals from electrical signals acquired from a patient suffering from atrial fibrillation. The electrical signals acquired from the patient may be intra-cardiac signals or body surface electrode signals, or both. At least portions of QRS or QRS-T complexes corresponding to determined initial synchronization times are used to generate Fast Fourier Transforms (FFTs) corresponding to the extracted QRS complexes. A series of steps follow to generate isolated atrial signals corresponding to each electrical signal by subtracting generated reconstructed signals corresponding to each such electrical signal therefrom.
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公开(公告)号:US20210282693A1
公开(公告)日:2021-09-16
申请号:US17331576
申请日:2021-05-26
申请人: Ablacon Inc.
发明人: Peter Ruppersberg , Philip Haeusser , Melissa Huang Szu-Min Kong , David Emanuel Luksic , Kostiantyn Serhiyovich Ahapov
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect the locations of sources of cardiac rhythm disorders in a patient's heart, and then to generate an estimate or probability of the patient being free from atrial fibrillation. The various embodiments employ at least one computing device to process a plurality of electrogram surfaces through time to generate at least one electrographical flow (EGF) map, representation, pattern, or data set, and then process the at least one EGF map, representation, pattern, or data set to determine at least two of source activity levels, flow angle variability (FAV) levels, and active fractionation (AFR) levels corresponding thereto. On the basis of a combination of the determined at least two of source activity levels, FAV levels, and AFR levels, an electrographical volatility index (EVI) score or metric representative of the estimate or probability of the patient being free from AF is generated.
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公开(公告)号:US20230225800A1
公开(公告)日:2023-07-20
申请号:US18125630
申请日:2023-03-23
申请人: Ablacon Inc.
发明人: Alessa Tabea Grund , Stefan Marcel Denner , David Emanuel Luksic , Philip Haeusser , Peter Ruppersberg , Kostiantyn Serhiyovich Ahapov
CPC分类号: A61B34/20 , A61B5/287 , A61B5/367 , A61B5/6858 , A61B5/366 , A61B5/339 , A61B2034/2072
摘要: In some embodiments, there are provided systems, devices, components, and corresponding methods configured to permit navigation and/or positioning of an intra-cardiac electrophysiological (EP) mapping basket or other EP mapping structure of an EP mapping catheter inside or near an atrium or other heart chamber of a patient's heart using biosignals or intra-cardiac signals. In one embodiment, QRS complexes are extracted or isolated from intra-cardiac signals sensed by electrodes mounted on the EP mapping basket. Using the QRS complexes and a statistical shape or other model of the EP mapping basket or other type of EP mapping structure, one or more computing devices then determine the locations of the electrodes inside or near the patient's atrium that are associated with each isolated or extracted QRS complex, and thereby permit accurate navigation within the heart and/or processing of data acquired using the EP mapping basket or other EP mapping structure. The one or more computing devices can also be used to determine changes in the three-dimensional locations and orientations of the basket and the electrodes thereof as the EP mapping basket is moved around, in, or near the patient's atrium, heart chamber, or other portion of the patient's heart, and to display to a user multiple positions of the basket inside or near the patient's heart.
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公开(公告)号:US11484239B2
公开(公告)日:2022-11-01
申请号:US16931844
申请日:2020-07-17
申请人: Ablacon Inc.
发明人: Philip Haeusser , Peter Ruppersberg
IPC分类号: A61B5/318 , A61B5/316 , A61B5/00 , A61B5/282 , A61B5/287 , A61B5/339 , A61B5/341 , A61B5/361 , A61B5/367
摘要: Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect a location of a source of at least one cardiac rhythm disorder in a patient's heart. In some embodiments, electrogram signals are acquired from a patient's body surface, and subsequently normalized, adjusted and/or filtered, followed by generating a two-dimensional spatial map, grid or representation of the electrode positions, processing the amplitude-adjusted and filtered electrogram signals to generate a plurality of three-dimensional electrogram surfaces corresponding at least partially to the 2D map, one surface being generated for each or selected discrete times, and processing the plurality of three-dimensional electrogram surfaces through time to generate a velocity vector or other type of map using one or more of optical flow, video tracking analysis, motion capture analysis, motion estimation analysis, data association and segmentation tracking analysis, particle tracking analysis, and single-particle tracking analysis methods corresponding at least partially to the 2D map. Trained atrial discriminative machine learning models that facilitate the foregoing systems and methods, and that provide predictions or results concerning a patient's condition, are also disclosed.
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