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公开(公告)号：US20210338137A1
公开(公告)日：2021-11-04
申请号：US17284195
申请日：2019-10-11
申请人： CENTRO NACIONAL DE INVESTIGACIONES CARDIOVASCULARES CARLOS III (F.S.P.) , FUNDACIÓN PARA LA INVESTIGACIÓON BIOMEDICA DEL HOSPITAL CLÍNICO SAN CARLOS
发明人： Jorge GARCÍA QUINTANILLA , David FILGUEIRAS RAMA , Nicasio PÉREZ CASTELLANO , Julián PÉREZ-VILLACASTÍN DOMÍNGUEZ
摘要： This invention relates to an ex vivo use of the instantaneous frequency modulation (iFM) signal of cardiac activations and to an ex vivo use of the instantaneous amplitude modulation (iAM) signal obtained from the sequence of amplitude excursions of said activations for detecting ‘driver’ or ‘high-hierarchy’ regions and/or the cardiac spots that display the footprint of rotational activations in the heart of a subject with cardiac fibrillation without requiring panoramic simultaneous acquisition.
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公开(公告)号：US20210307670A1
公开(公告)日：2021-10-07
申请号：US17193801
申请日：2021-03-05
申请人： Medtronic, Inc.
发明人： Subham Ghosh
摘要： Systems and methods are described herein for determining whether cardiac conduction system pacing therapy may be beneficial and/or determining how proximal or distal a cardiac conduction system block may be using external cardiac signals. To do so, one or more left-sided metrics of electrical heterogeneity information may be generated based on left-sided surrogate cardiac electrical measured using a plurality of left external electrodes
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33.发明申请公开(公告)号：US20210251553A1
公开(公告)日：2021-08-19
申请号：US17173513
申请日：2021-02-11
申请人： EAST END MEDICAL LLC
发明人： BRIJESHWAR S. MAINI
摘要： The adoption of His Bundle Pacing (HBP) has been hindered by the procedural difficulty of achieving good lead position without causing cardiac damage or perforation. The procedural success rates are much lower when compared to traditional right ventricle (RV) pacing procedures due to the difficulty in mapping the His potential with the exposed helix and maintaining position while the pacing helix is fixated. The use of multidirectional balloon tipped catheter system that includes a catheter body with curls and flexion points and anchor balloon mounted to a distal end of the catheter body increases positional precision and an improved procedural success rate when compared to the conventional system.
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公开(公告)号：US20210212591A1
公开(公告)日：2021-07-15
申请号：US16896099
申请日：2020-06-08
摘要： A method, including receiving, from electrodes positioned within a heart, first signals from at least three of the electrodes indicating electrical activity in tissue with which the at least three of the electrodes engage, and second signals indicating locations of the at least three electrodes. The second signals are processed to compute the locations of the at least three electrodes and to determine a geometric center of the locations. Based on the signals, an electroanatomical map is generated for an area of the tissue including the geometric center, and an arrhythmia focus is determined in the map. A circle is presented, and within the circle, a region of the map is presented including the geometric center and the focus so that the geometric center on the map aligns with a center of the circle, the region within the circle indicating a spatial relationship between the geometric center and the focus.
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公开(公告)号：US20210169394A1
公开(公告)日：2021-06-10
申请号：US17048151
申请日：2019-05-07
申请人： Acutus Medical, Inc.
发明人： Derrick Ren-yu CHOU , Timothy J. CORVI , Vince BURGESS , Paras PARIKH , Randell L. WERNETH , Graydon Ernest BEATTY , Nathan ANGEL , Christoph SCHARF , Lam DANG , R. Maxwell FLAHERTY , J. Christopher FLAHERTY
摘要： Provided herein are cardiac information processing systems comprising multiple subsystems for performing a procedure and producing procedure data, and a processing module. The multiple subsystems comprise: a mapping subsystem comprising at least one mapping catheter; an imaging subsystem comprising at least one imaging device; and a treatment subsystem comprising at least one treatment device. The processing module receives the procedure data, the processing module comprising at least one processor and at least one algorithm. The at least one algorithm is configured to perform an assessment of the procedure data and produce evaluation data based on the assessment. Methods of processing cardiac information are also provided.
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公开(公告)号：US20230119399A1
公开(公告)日：2023-04-20
申请号：US17911605
申请日：2020-12-22
发明人： Jatin RELAN , Valtino X. AFONSO
摘要： An electroanatomical mapping system graphically represents local activation time (LAT) information contained in data set including a plurality of electrophysiology (EP) data points. The system computes a spatial gradient over a spatial kernel centered at an EP data point and a plurality of temporal gradients for the EP data points set. Using the gradients, the electroanatomical mapping system can detect spatial outlier EP data points and temporal outlier EP data points. These outlier EP data points can then be corrected prior to outputting a graphical representation of the LAT map on a model of a cardiac surface.
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公开(公告)号：US20230073299A1
公开(公告)日：2023-03-09
申请号：US17802273
申请日：2020-12-09
发明人： Valtino X. Afonso , Nathaniel Bird , Patrick Kasi , Jatin Relan , Steven Kim
摘要： The present disclosure provides systems and methods for generating a local activation time (LAT) map. A method includes receiving at least one reference electrogram, receiving at least one roving electrogram, detecting cardiac activations in the at least one reference electrogram, detecting roving cardiac activations in the at least one roving electrogram, identifying, at a trigger time, a most recent reference cardiac activation of the detected reference cardiac activations, identifying, a corresponding roving cardiac activation of the detected roving cardiac activations that is closest in time to the most recent reference cardiac activation, the corresponding roving cardiac activation identified independent of any roving activation interval (RAI), computing, a LAT as a time difference between the most recent reference cardiac activation and the corresponding roving cardiac activation, and generating and displaying, a LAT map based on the computed LAT.
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公开(公告)号：US20230055089A1
公开(公告)日：2023-02-23
申请号：US17851196
申请日：2022-06-28
摘要： A method, including receiving, from electrodes positioned within a heart, first signals from at least three of the electrodes indicating electrical activity in tissue with which the at least three of the electrodes engage, and second signals indicating locations of the at least three electrodes. The second signals are processed to compute the locations of the at least three electrodes and to determine a geometric center of the locations. Based on the signals, an electroanatomical map is generated for an area of the tissue including the geometric center, and an arrhythmia focus is determined in the map. A circle is presented, and within the circle, a region of the map is presented including the geometric center and the focus so that the geometric center on the map aligns with a center of the circle, the region within the circle indicating a spatial relationship between the geometric center and the focus.
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公开(公告)号：US20230019503A1
公开(公告)日：2023-01-19
申请号：US17745342
申请日：2022-05-16
发明人： Prapa Kanagaratnam , Nick Linton , Darrel Francis
摘要： Apparatus for monitoring activation in a heart comprises a probe 101, a plurality of electrodes 102 supported on the probe and extending over a detection area of the probe, the detection area being arranged to contact a detection region of the heart. Each of the electrodes 102 is arranged to detect electrical potential at a respective position in the heart during movement of a series of activation wave fronts across the detection region. A processor is arranged to analyse the detected electrical potentials to identify a propagation direction of at least one of the wave fronts, and to generate an output indicative of that direction.
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公开(公告)号：US20220395215A1
公开(公告)日：2022-12-15
申请号：US17348002
申请日：2021-06-15
发明人： Assaf Govari , Andres Claudio Altmann , Vadim Gliner , Yair Palti
摘要： A system includes a display and a processor. The processor is configured to: (i) receive a three-dimensional (3D) anatomical map including multiple vectors, and a selection of a section of the 3D anatomical map, the section including one or more given vectors among the multiple vectors, (ii) produce a two-dimensional (2D) projection of the section, which includes the one or more given vectors, and (iii) present on the display, the 2D projection overlaid on the 3D anatomical map.
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