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公开(公告)号：US12048495B2
公开(公告)日：2024-07-30
申请号：US18081764
申请日：2022-12-15
发明人： Assaf Govari , Vadim Gliner
CPC分类号： A61B34/20 , A61B5/062 , A61B90/30 , A61B90/50 , A61B2017/00199 , A61B2017/00725 , A61B17/24 , A61B2034/2051 , A61B2090/309
摘要： A location pad includes multiple field-generators, a frame and a mounting fixture. The multiple field-generators are configured to generate respective magnetic fields in a region-of-interest of a patient body, for measuring a position of a medical instrument in the region-of-interest. The frame is configured to fix the multiple field-generators at respective positions surrounding the region-of-interest. The mounting fixture is configured to position the frame above the patient body.
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公开(公告)号：US20240215897A1
公开(公告)日：2024-07-04
申请号：US18089685
申请日：2022-12-28
发明人： Vadim Gliner , Uri Avni
摘要： A method, apparatus and computer program product, the method comprising: obtaining a plurality of electrical signals from a plurality of electrodes distally disposed on a catheter inserted into one or more chambers of a heart of a patient, wherein each electrode from at least some of the electrodes obtains electrical activity at a plurality of locations selectively accepting a portion of the plurality of electrical signals obtained; associating each electrode with a number of locations for which an electrical signal obtained by the electrode has been accepted; determining a selected part of the plurality of electrodes for which the number of locations is highest; and causing display of electrograms obtained by the selected part of the plurality of electrodes.
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公开(公告)号：US12004862B2
公开(公告)日：2024-06-11
申请号：US17352747
申请日：2021-06-21
发明人： Vadim Gliner
IPC分类号： A61B5/318 , A61B5/00 , A61B5/343 , A61B5/346 , G06N3/04 , G06N3/08 , G16H15/00 , G16H40/67 , G16H50/20
CPC分类号： A61B5/346 , A61B5/343 , A61B5/6852 , G06N3/04 , G06N3/08 , G16H15/00 , G16H40/67 , G16H50/20
摘要： In one embodiment, a method includes receiving first intracardiac signals including first far-field components captured by at least one first sensing electrode of a first catheter, the at least one sensing electrode being in contact with tissue of a cardiac chamber of a first living subject, and at least one far-field signal captured from at least one far-field electrode inserted into the cardiac chamber and not in contact with the tissue of the cardiac chamber, training a neural network to remove far-field components from intracardiac signals responsively to the first intracardiac signals and the at least one far-field signal, receiving second intracardiac signals captured by at least one second sensing electrode of a second catheter inserted into a cardiac chamber of a second living subject, and applying the trained neural network to the second intracardiac signals to remove respective second far-field components from the second intracardiac signals.
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公开(公告)号：US11937882B2
公开(公告)日：2024-03-26
申请号：US16943805
申请日：2020-07-30
IPC分类号： A61B34/20 , A61B1/00 , A61B1/07 , A61B5/06 , A61B17/00 , A61B17/24 , A61B18/00 , A61B18/14 , A61B18/24 , A61B90/00
CPC分类号： A61B34/20 , A61B1/000094 , A61B1/00097 , A61B1/00194 , A61B1/07 , A61B5/066 , A61B18/1492 , A61B18/24 , A61B2017/00296 , A61B2017/00323 , A61B17/24 , A61B2018/00327 , A61B2018/00577 , A61B2018/00672 , A61B2018/00678 , A61B2018/00875 , A61B2034/2051 , A61B2034/2072 , A61B2090/3762
摘要： A registration device, including a wand, a light guide passing through the wand, and a position sensor fixed to the wand. A light source outputs a modulated beam of light into a light guide proximal end, so that the light is emitted from a light guide distal end toward a surface in proximity to a wand distal tip. A detector receives, from the light guide proximal end, light reflected from the surface into the light guide distal end, and outputs a signal indicative of the reflected light intensity. A processor computes a distance from the distal tip of the wand to the surface by extracting a phase difference between the output beam and the reflected light from the signal, and computes a position of the surface in a sensor frame of reference responsively to the computed distance and the location of the distal tip found from the position sensor.
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公开(公告)号：US11771505B2
公开(公告)日：2023-10-03
申请号：US16731524
申请日：2019-12-31
发明人： Yair Palti , Remi Bettan , Vadim Gliner , Uri Avni
CPC分类号： A61B34/25 , A61B17/24 , A61B34/20 , G06T15/08 , A61B2034/2055 , A61B2034/2072 , A61B2034/254 , G06T2210/41
摘要： Apparatus and methods are provided for mapping and displaying three dimensional surgical pathways within imaging of cranial structures derived from voxels of a cranial scan. Entry voxel and target voxel are selected as pathway endpoints. A series of respective neighbor voxels are mapped between the entry voxel and the target voxel to define a pathway. For each voxel Vxi,yi,zi in the series, an immediately succeeding voxel of voxel Vxi,yi,zi is selected from among the group of neighbor voxel of voxel Vxi,yi,zi which excludes neighbor voxels of the immediately preceding voxel of voxel Vxi,yi,zi. The selection is made by comparing selection weights determined based on relative distances with respect to the endpoint voxels and relative distance from voxels within a predetermined distance that represent at least a threshold density. The voxels of the pathway are then selectively highlighted in a displayed view to provide a visualization of the 3D surgical pathway.
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公开(公告)号：US11771339B2
公开(公告)日：2023-10-03
申请号：US17362725
申请日：2021-06-29
IPC分类号： A61B5/00 , A61B5/06 , A61B5/1495 , A61B5/145
CPC分类号： A61B5/062 , A61B5/1495 , A61B5/6852 , A61B5/065 , A61B5/14503 , A61B2560/0223 , A61B2562/0223
摘要： A catheter calibration system includes a calibration chamber, a receiver and a processor. The calibration chamber is configured to generate a calibration magnetic field that oscillates at a first frequency. The calibration chamber includes a cavity for inserting a distal end of a catheter having one or more magnetic-field sensors. The receiver is configured to be connected to the catheter, to receive from the catheter one or more signals, which are generated by the one or more magnetic-field sensors in response to the calibration magnetic field, and to convert the one or more signals into one or more respective intermediate frequency (IF) signals having a second frequency that is lower than the first frequency. The processor is configured to receive the one or more IF signals from the receiver and to calculate catheter navigation calibration data from the one or more IF signals.
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公开(公告)号：US11759252B2
公开(公告)日：2023-09-19
申请号：US17580730
申请日：2022-01-21
发明人： Vadim Gliner , Alon Boumendil
CPC分类号： A61B18/1485 , A61B34/20 , A61B2018/00107 , A61B2018/00327 , A61B2018/00446 , A61B2018/00589 , A61B2018/00607 , A61B2018/1266 , A61B2034/2063 , A61B2034/303
摘要： In one embodiment, a medical system includes a medical instrument includes an elongated shaft having a distal end, at least one cutting element disposed at a distal end of the shaft, a position-tracking transducer disposed at the distal end of the shaft, and electrically insulated from the shaft and the at least one cutting element, and at least one metal coagulation electrode disposed at least partially over the position-tracking transducer, which electrically isolates the at least one metal coagulation electrode from the shaft, a signal generator coupled to apply an electrical current to the at least one metal coagulation electrode, and processing circuitry configured to receive signals generated by the position-tracking transducer, and track a location of the distal end responsively to the received signals.
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公开(公告)号：US11712172B2
公开(公告)日：2023-08-01
申请号：US16896099
申请日：2020-06-08
CPC分类号： A61B5/066 , A61B5/287 , A61B5/343 , A61B5/349 , A61B5/367 , A61B5/6853 , A61B5/6858
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：US20230157569A1
公开(公告)日：2023-05-25
申请号：US17532980
申请日：2021-11-22
发明人： Assaf Govari , Natan Sharon Katz , Vadim Gliner , Vladimir Dvorkin , Andres Claudio Altmann , Benny Cohen
CPC分类号： A61B5/066 , A61B5/287 , A61B5/339 , A61B5/346 , A61B5/748 , A61B5/6885 , A61B5/7221 , A61B5/367 , G16H20/40 , G16H30/40 , A61B5/6858 , A61B2562/0209
摘要： In one embodiment, a medical system includes a catheter configured to be inserted into a chamber of a heart of a living subject, and including a distal end including catheter electrodes configured to contact tissue at respective locations within the chamber of the heart, at least one position sensor configured to provide at least one position signal indicative of a position of the distal end, a display, and processing circuitry configured to compute the position of the distal end of the catheter responsively to the at least one position signal, render to the display a 3D anatomical map of the chamber of the heart and a 3D representation of the distal end of the catheter, and render to the display over at least part of the map, at least one intracardiac electrogram trace representing electrical activity in the tissue that is sensed by at least one of the catheter electrodes.
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公开(公告)号：US20230157568A1
公开(公告)日：2023-05-25
申请号：US18082985
申请日：2022-12-16
CPC分类号： A61B5/064 , A61B34/20 , A61B90/39 , A61B90/36 , A61B2034/2046 , A61B2090/3966 , A61B2090/376 , A61B2034/2068
摘要： A medical procedure system, including a medical instrument to be inserted into a body part, and including position-tracking transducers to provide position signals, a distal end, and at least one radiopaque marker, a position tracking sub-system to compute a position including at least one location and orientation of the distal end in a position-tracking sub-system coordinate frame responsively to the position signals, a fluoroscope to capture fluoroscopic images of an interior of the body part and the radiopaque marker(s), and a registration sub-system to render, to a display, the captured fluoroscopic images including at least one marker-image of the radiopaque marker(s), and at least one graphical representation indicative of the computed position of the distal end, receive user-alignment input aligning the graphical representation(s) with the marker-image(s), and register the position-tracking sub-system coordinate frame with a coordinate frame of the fluoroscope responsively to the received user-alignment input.
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