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公开(公告)号：US20250160944A1
公开(公告)日：2025-05-22
申请号：US19030846
申请日：2025-01-17
Applicant: Boston Scientific Scimed, Inc.
Inventor： Raju Viswanathan , Allan Zingeler , Gary Long , Jean-Luc Pageard , Brittney Hachey
Abstract: Systems, devices, and methods for electroporation ablation therapy are disclosed, with the device including a set of splines coupled to a catheter for medical ablation therapy. Each spline of the set of splines may include a set of electrodes formed on that spline. The set of splines may be configured for translation to transition between a first configuration and a second configuration. The devices described herein may be used to form a lesion via ablation by irreversible electroporation.
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公开(公告)号：US20240407841A1
公开(公告)日：2024-12-12
申请号：US18811572
申请日：2024-08-21
Applicant: Boston Scientific Scimed, Inc.
Inventor： Raju Viswanathan , Allan Zingeler , Gary Long , Jean-Luc Pageard , Brittney Hachey
Abstract: Systems, devices, and methods for electroporation ablation therapy are disclosed, with the device including a set of splines coupled to a catheter for medical ablation therapy. Each spline of the set of splines may include a set of electrodes formed on that spline. The set of splines may be configured for translation to transition between a first configuration and a second configuration. The devices described herein may be used to form a lesion via ablation by irreversible electroporation.
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公开(公告)号：US20230000548A1
公开(公告)日：2023-01-05
申请号：US17853255
申请日：2022-06-29
Applicant: Boston Scientific Scimed, Inc.
Inventor： Raju Viswanathan
IPC: A61B18/14
Abstract: An endocardial catheter comprises an outer shaft having an outer shaft lumen, an inner shaft slidably disposed within the outer shaft lumen, a spline assembly comprising a plurality of flexible splines each having a spline proximal end attached to a distal end of the outer shaft, an opposite spline distal end attached to a distal end of the inner shaft, and an electrode, wherein the plurality of splines collectively define an interior space of the spline assembly, and a foldable membrane disposed within the interior space of the spline assembly, the foldable membrane having an outer edge portion attached to one or more of the splines. The foldable membrane comprises an electrically insulative material.
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4.发明申请公开(公告)号：US20230000547A1
公开(公告)日：2023-01-05
申请号：US17850039
申请日：2022-06-27
Applicant: Boston Scientific Scimed Inc.
Inventor： Raju Viswanathan , William Bowers , Colt Joseph Wilkins , Michael Alan Paré
Abstract: Systems, devices, and methods for electroporation ablation therapy are disclosed, with the system including a signal generator for generating pre-ablation signals and pulse waveforms for medical ablation therapy that may be coupled to an ablation device including at least one electrode for ablation pulse delivery to tissue. The signal generator may generate and delivery pre-ablation signals to subsets of electrodes of the ablation device and measure currents associated with the delivery to determine whether the currents meet one or more predetermined criteria. The signal generator may also generate and deliver voltage pulses to the ablation device in the form of a pulse waveform after determining that the currents meet the one or more predetermined criteria.
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公开(公告)号：US20220273945A1
公开(公告)日：2022-09-01
申请号：US17744019
申请日：2022-05-13
Applicant: Boston Scientific Scimed, Inc.
Inventor： William Bowers , Raju Viswanathan , Gary Long
Abstract: Systems, devices, and methods for electroporation ablation therapy are disclosed, with the system including a pulse waveform signal generator for medical ablation therapy that may be coupled to an ablation device including at least one electrode for ablation pulse delivery to tissue. The signal generator may generate and deliver voltage pulses to the ablation device in the form of a pulse waveform in a predetermined sequence where the signal generator may independently configure a set of electrodes of an ablation device. The signal generator may further perform active monitoring of a set of electrode channels and discharge excess energy using the set of electrode channels.
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Patent Agency Ranking
公开(公告)号：US10588700B2
公开(公告)日：2020-03-17
申请号：US15838952
申请日：2017-12-12
Applicant: Boston Scientific Scimed Inc.
Inventor： Raju Viswanathan , Jonathan Allen
Abstract: A method uses an electromagnetic tracking system, including a number of field transmitters and at least one receiver, to determine location information associated with a medical device. The method includes transmitting a set of electromagnetic signals, each signal having a frequency that is different than a frequency associated with each of the other signals, where each signal corresponds to a sum of sinusoidal functions, each of which includes an amplitude and a frequency. A field signal is received, and includes an undistorted field component and a distortion component. The amplitudes and frequencies of the sinusoidal functions are selected such that the distortion component includes a residual error arising from terms of at least a specified order in frequency. Field components corresponding to the field transmitters are extracted from the received signal, and the location information is determined based on the field components.
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公开(公告)号：US12295648B2
公开(公告)日：2025-05-13
申请号：US17099272
申请日：2020-11-16
Applicant: Boston Scientific Scimed, Inc.
Inventor： Gary Long , Raju Viswanathan
Abstract: An apparatus includes a shaft, the shaft including a plurality of stepped sections along the length of the shaft. The apparatus further includes a plurality of electrodes disposed along the length of the shaft, each electrode characterized by a geometric aspect ratio of the length of the electrode to the outer diameter of the electrode. Each electrode is located at a different stepped section of the plurality of stepped sections of the shaft and includes a set of leads. Each lead of the set of leads is configured to attain an electrical voltage potential of at least about 1 kV. The geometric aspect ratio of at least one electrode of the plurality of electrodes is in the range between about 3 and about 20.
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公开(公告)号：US12257080B2
公开(公告)日：2025-03-25
申请号：US17340745
申请日：2021-06-07
Applicant: Boston Scientific Scimed, Inc.
Inventor： Raju Viswanathan , William Bowers
Abstract: Systems, apparatuses, and methods for electroporation ablation therapy are disclosed, with a protection device for protecting electronic circuitry, devices, and/or other components from induced currents and voltages generated during a cardiac ablation procedure. A system can include an ablation device near cardiac tissue of a heart. The system can further include a signal generator configured to generate a pulse waveform, where the signal generator coupled to the ablation device and configured to repeatedly deliver the pulse waveform to the ablation device in synchrony with a set of cardiac cycles of the heart. The system can further include a protection device configured to suppress induced current and voltage in an electronic device coupled to the protection device.
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公开(公告)号：US12144541B2
公开(公告)日：2024-11-19
申请号：US18163198
申请日：2023-02-01
Applicant: Boston Scientific Scimed, Inc.
Inventor： Raju Viswanathan
Abstract: A system includes a pulse waveform generator and an ablation device coupled to the pulse waveform generator. The ablation device includes at least one electrode configured for ablation pulse delivery to tissue during use. The pulse waveform generator is configured to deliver voltage pulses to the ablation device in the form of a pulsed waveform. The pulsed waveform can include multiple levels of hierarchy, and multiple sets of electrodes can be activated such that their pulsed delivery is interleaved with one another.
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公开(公告)号：US12042208B2
公开(公告)日：2024-07-23
申请号：US17087433
申请日：2020-11-02
Applicant: Boston Scientific Scimed Inc.
Inventor： Raju Viswanathan , Gary L. Long
CPC classification number: A61B18/14 , A61B5/283 , A61B18/1233 , A61B2018/00351 , A61B2018/00577 , A61B2018/00613 , A61B18/1445 , A61B2018/145 , A61B2018/1467
Abstract: Systems, devices, and methods for electroporation ablation therapy are disclosed, with the device including a first jaw including a plurality of first electrodes and a second jaw including a plurality of second electrodes. The first jaw and the second jaw may be substantially rigid, elongate, and collectively define a longitudinal axis. The first jaw and the second jaw may be configured to engage tissue therebetween during use.
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