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1.发明公开
公开(公告)号：EP4024344A1
公开(公告)日：2022-07-06
申请号：EP21212677.5
申请日：2021-12-07
发明人： MONTAG, Avram Dan , BAR-TAL, Meir
摘要： A method is provided. The method is implemented by a mapping engine stored as program code on a memory and executed by a processor. The method include subdividing an anatomical mesh of a part of an anatomical structure to one or more other meshes of the anatomical structure. The one or more other meshes are more granular than the anatomical mesh. The method includes interpolating local activation time values and velocity values for the one or more other meshes and tracing a path of velocity vectors on the one or more other meshes in accordance with the interpolation of the local activation time values and velocity values. The method also includes projecting the path on the anatomical mesh to provide an enhanced visualization of the anatomical structure.
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公开(公告)号：EP3488779A1
公开(公告)日：2019-05-29
申请号：EP18208600.9
申请日：2018-11-27
发明人： DEMRI, Tamir , ELDAR, Ranit , BLATT, Ofir , MONTAG, Avram Dan
摘要： A magnetic field pad location system is provided with dual elongated field generation pads with self-tracking. Each pad comprises magnetic coils operable to generate magnetic fields. The pads include a mechanism for securing the two pads in place on a patient table to prevent movement of the pads. A processor executes a process for installation of the two pads, comprising correlation of the magnetic fields generated by the coils to define a reference magnetic field for sensing. In one embodiment, each pad includes a same number of magnetic coils in each spatial direction. In one embodiment, the magnetic coils are tri-axial coils placed at corners of the pads. In another embodiment, each pad includes an array of six single coils.
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公开(公告)号：EP3241495B1
公开(公告)日：2018-06-13
申请号：EP17176440.0
申请日：2011-12-21
CPC分类号： A61B5/062 , A61B5/7203 , A61B5/7217 , A61B6/12 , A61B6/4441 , A61B6/487 , A61B6/582 , A61B6/585 , A61B6/587 , A61B34/20 , A61B2017/00725 , A61B2034/2051 , A61B2034/2055 , A61B2090/376 , A61B2560/0223
摘要： A method, consisting of generating, using a plurality of magnetic transmitters, a magnetic field in a region and introducing a field perturbing element into the region. The method includes characterizing multiple images of each magnetic transmitter in the field perturbing element, and calculating a reaction magnetic field in the region based on the characterized images. The method further includes positioning a probe in the region and measuring a perturbed magnetic field at the probe, and determining a location of the probe in response to the measured perturbed magnetic field and the calculated reaction magnetic field.
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公开(公告)号：EP3936033A1
公开(公告)日：2022-01-12
申请号：EP21192763.7
申请日：2016-12-22
发明人： MONTAG, Avram Dan , BAR-TAL, Meir
摘要： Catheterization of the heart is carried out using a framework formed by a plurality of electrically conducting wire loops. The wire loops are modeled as polygons, each subdivided into a plurality of triangles,. The wire loops are exposed to magnetic fluxes at respective frequencies, and signals read from the loops. Theoretical magnetic fluxes in the polygons are computed as sums of theoretical magnetic fluxes in the triangles thereof, The location and orientation of the framework in the heart is determined by relating the computed theoretical magnetic fluxes to the signals.
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公开(公告)号：EP3903721A1
公开(公告)日：2021-11-03
申请号：EP21180538.7
申请日：2018-05-23
发明人： BAR-TAL, Meir , MONTAG, Avram Dan
IPC分类号： A61B90/00 , A61B5/00 , A61B5/053 , A61B5/06 , A61B34/20 , A61B17/00 , A61B5/01 , A61B5/287 , A61B5/341
摘要： Apparatus, including a probe having a proximal end and a distal end, the probe being configured to be inserted into an organ of a human patient and defining a probe axis. At least two conductors are positioned on the probe at the distal end. The apparatus includes at least two flexible conductive splines, each conductive spline having a first termination and a second termination, the first terminations being electrically connected together at a region on the probe axis beyond the distal end, each second termination being electrically connected to a respective one of the conductors, the splines being configured to bend into respective arcuate forms that encompass a volume. The apparatus also includes a processor configured to receive voltages induced on the splines via the conductors and to calculate a position and orientation of the volume in response to the received voltages.
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公开(公告)号：EP3488779B1
公开(公告)日：2020-09-23
申请号：EP18208600.9
申请日：2018-11-27
发明人： DEMRI, Tamir , ELDAR, Ranit , BLATT, Ofir , MONTAG, Avram Dan
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公开(公告)号：EP4166083A1
公开(公告)日：2023-04-19
申请号：EP22200488.9
申请日：2022-10-10
发明人： SHAMILOV, Elias , RUBINSTEIN, Vladimir , MONTAG, Avram Dan , FELDMAN, Konstantin , GOROVOY, Alexander
摘要： A system includes a display and a processor. The processor is configured to compute multiple forecasted local activation times (LATs) at different respective locations on cardiac tissue of a subject, by simulating a propagation of a physiological activation potential along the cardiac tissue with a particular portion of the cardiac tissue, which is currently conductive, being non-conductive. The processor is further configured to generate, based on the forecasted LATs, a forecasted electroanatomical map representing a forecasted state of the cardiac tissue following an ablation of the particular portion of the cardiac tissue, and to display the forecasted electroanatomical map on the display. Other embodiments are also described.
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公开(公告)号：EP3730051A1
公开(公告)日：2020-10-28
申请号：EP20175066.8
申请日：2018-11-27
发明人： DEMRI, Tamir , ELDAR, Ranit , BLATT, Ofir , MONTAG, Avram Dan
摘要： A magnetic field pad location system is provided with dual elongated field generation pads with self-tracking. Each pad comprises magnetic coils operable to generate magnetic fields. The pads include a mechanism for securing the two pads in place on a patient table to prevent movement of the pads. A processor executes a process for installation of the two pads, comprising correlation of the magnetic fields generated by the coils to define a reference magnetic field for sensing. In one embodiment, each pad includes a same number of magnetic coils in each spatial direction. In one embodiment, the magnetic coils are tri-axial coils placed at corners of the pads. In another embodiment, each pad includes an array of six single coils.
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9.发明公开
公开(公告)号：EP3649931A1
公开(公告)日：2020-05-13
申请号：EP19207733.7
申请日：2019-11-07
发明人： BAR-TAL, Meir , BARAM, Alon , MONTAG, Avram Dan
摘要： A method includes receiving an input mesh representation of a cardiac chamber, a set of measured locations on a wall tissue of the cardiac chamber, and a respective set of local activation times (LATs) measured at the locations. The input mesh is re-meshed into a regular mesh including regularized polygons. The set of measured locations and respective LATs is data fitted to the regularized polygons. Respective LAT values are iteratively calculated for the regularized polygons, so as to obtain a cyclic EP activation wave solution over the regular mesh that take account of reentry of an EP wave. An electroanatomical map including the cyclic EP activation wave overlaid on the regular mesh is presented.
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10.发明公开
公开(公告)号：EP3649930A1
公开(公告)日：2020-05-13
申请号：EP19207655.2
申请日：2019-11-07
发明人： BAR-TAL, Meir , BARAM, Alon , MONTAG, Avram Dan
摘要： A method includes receiving an input mesh representation of a cardiac chamber, a set of measured locations on a wall tissue of the cardiac chamber, and a respective set of local activation times (LATs) measured at the locations. The input mesh is re-meshed into a regular mesh including regularized polygons. The set of measured locations and respective LATs is data fitted to the regularized polygons. Respective LAT values, and respective probabilities that the wall tissue includes scar tissue, are iteratively calculated for the regularized polygons, so as to obtain an electrophysiological (EP) activation wave over the regular mesh that indicates scar tissue. An electroanatomical map overlaid on the regular mesh, the map including the EP activation wave and the scar tissue, is presented.
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