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公开(公告)号：EP4450010A1
公开(公告)日：2024-10-23
申请号：EP24169840.6
申请日：2024-04-12
摘要： The disclosed technology includes a system for applying pulsed field ablation to treat atrial fibrillation. The system includes a catheter and a processor. The catheter can include a tip electrode controlled to emit either a pulsed electric field or a radiofrequency signal to biological tissue and ablate one or more locations of biological tissue of the pulmonary vein. The processor is configured to measure a contact force experienced by the tip electrode against biological tissue during pulsed electric field ablation and determine a pulsed field ablation index as a function of the measured contact force and number of pulsed electric field applications for each location of the one or more locations so that it can be determined whether a lesion is sufficiently durable.
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公开(公告)号：EP4393390A1
公开(公告)日：2024-07-03
申请号：EP23219875.4
申请日：2023-12-22
CPC分类号： A61B5/6858 , A61B5/062 , A61B5/063 , A61B2034/205120160201 , A61B5/367 , A61B5/6885
摘要： An electrode location determiner for an electro-anatomical mapping system utilizing a distal assembly. The determiner includes a center of mass calculator, a tilt angle calculator and an electrode position updater. The center of mass calculator calculates a center of mass of the distal assembly from active current locations (ACL) locations of electrodes of the distal assembly. The tilt angle calculator receives output from a sensor having a sensor longitudinal axis aligned along a shaft longitudinal axis of a shaft to which the distal assembly is attached, checks whether or not the shaft longitudinal axis extends through the center of mass and, if not, calculates a tilt angle of the center of mass from the longitudinal axis and a line extending from a position of the sensor and the center of mass. The electrode position updater corrects the ACL locations according to the tilt angle.
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公开(公告)号：EP4166091A3
公开(公告)日：2023-06-28
申请号：EP22197019.7
申请日：2022-09-22
摘要： A method includes emitting an ultrasound beam from an array of ultrasound transducers in a catheter placed in a blood pool in an organ. Echo signals reflected in response to the ultrasound beam are received in the array. Distinction is made in the echo signals between (i) first spectral signal components having Doppler shifts characteristic of blood and (ii) second spectral signal components having Doppler shifts characteristic of tissue of the organ. The first spectral signal components are suppressed relative to the second spectral signal components in the echo signals. An ultrasound image of at least a portion of the organ is reconstructed from the echo signals having the suppressed first spectral signal components. The reconstructed image is displayed to a user.
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公开(公告)号：EP4183342A1
公开(公告)日：2023-05-24
申请号：EP22208487.3
申请日：2022-11-21
发明人： GOVARI, Assaf , KATZ, Natan Sharon , GLINER, Vadim , DVORKIN, Vladimir , ALTMANN, Andres Claudio , COHEN, Benjamin
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：EP4159128A1
公开(公告)日：2023-04-05
申请号：EP22199328.0
申请日：2022-10-03
摘要： A system includes an interface and a processor. The interface is configured to receive an electrogram acquired in a heart of a patient. The processor is configured to (i) estimate a level of injury current present in the electrogram, and (ii) based on the estimated level of injury current, decide whether to use the electrogram in a subsequent analysis.
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公开(公告)号：EP4154822A1
公开(公告)日：2023-03-29
申请号：EP22197417.3
申请日：2022-09-23
摘要： A method includes emitting an ultrasound beam, having a predefined field of view (FOV), from an array of ultrasound transducers in a catheter in an organ of a patient. Echo signals are received in the array, in response to the ultrasound beam. A position of a target object is estimated within the FOV. When the estimated position of the target object violates a centering condition, the FOV of the ultrasound beam is automatically modified to re-meet the centering condition.
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公开(公告)号：EP4137078A1
公开(公告)日：2023-02-22
申请号：EP22190344.6
申请日：2022-08-15
摘要： A method includes generating an ablation programming language, which defines commands for (i) setting ablation protocol parameters and respective values, (ii) setting a configuration of an ablation system, (iii) applying automatic logic that relates the ablation protocol parameters and the values to the configuration of the ablation system, and (iv) generating one or more graphical user interfaces (GUIs) showing one or more of the parameters of the ablation protocol and the system configuration. The ablation programming language is provided for subsequent use with the ablation system.
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公开(公告)号：EP4108180A2
公开(公告)日：2022-12-28
申请号：EP22180642.5
申请日：2022-06-23
摘要： A medical system includes an ultrasound probe for insertion into an organ of a body and a processor. The ultrasound probe includes (i) a two-dimensional (2D) ultrasound transducer array, and (ii) a sensor configured to output signals indicative of a position, direction and orientation of the 2D ultrasound transducer array inside the organ. The processor is configured to (a) using the signals output by the sensor, register multiple ultrasound images of a tissue region, acquired over a given time duration by the 2D ultrasound transducer array, with one another, and (b) generate a map of the tissue region indicative of respective amounts of motion of tissue locations in the tissue region.
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公开(公告)号：EP4081142A1
公开(公告)日：2022-11-02
申请号：EP20838613.6
申请日：2020-12-15
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10.发明公开
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