Systems, apparatuses, and methods for filtering high voltage noise induced by pulsed electric field ablation

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.

Method for controlling a modular energy system user interface

A method for controlling a user interface of a modular energy system. The modular energy system comprises a header module and a display screen on which the user interface is displayed. The modular energy system can detect attachment of a first module thereto, control the user interface to display one or more first user interface elements corresponding to the first module, detect attachment of a second module to the modular energy system, control the user interface to resize the one or more first user interface elements to accommodate display of one or more second user interface elements corresponding to the second module, and control the user interface to display the one or more second user interface elements. The various UI elements can correspond to the particular module type that is being connected to the modular energy system.

Energy module for drivig multiple energy modalities through a port

An energy module connectable to a surgical instrument is disclosed. The energy module can include a circuit, which can include a first amplifier and a second amplifier coupled to a port of the energy module to which a surgical instrument is connectable. The first amplifier can be configured to generate a first drive signal at a first frequency range and the second amplifier can be configured to generate a second drive signal at a second frequency range. The circuit can be configured to control the amplifiers to deliver the first drive signal, the second drive signal, and/or a combination of the first and second drive signals to a surgical instrument connected to the port.

Electrosurgical apparatus for generating radiofrequency energy and microwave energy for delivery into biological tissue

An isolating circuit for electrosurgical generator arranged to produce radiofrequency (RF) energy and microwave energy for treating biological tissue. The generator has an RF channel and a microwave channel which are combined at signal combiner to enable the RF energy and microwave energy to be delivered into tissue along a common feed path. The isolating circuit comprises a tunable waveguide isolator at a junction between the microwave channel and signal combiner, and can include a capacitive structure between a ground conductor of the signal combiner and a conductive input section of the waveguide isolator to inhibit coupling of the RF energy and leakage of the microwave energy. The isolating circuit can combine into a single tunable unit all the necessary components to isolate the microwave and RF channels from one another whilst providing a high withstanding voltage.

SYSTEM AND METHOD FOR POWER SUPPLY NOISE REDUCTION

An electrosurgical system includes an electrosurgical generator, a power source configured to deliver power to at least one load connected to the generator, a master configured to generate an initial pulse, and a plurality of slaves connected in series to the master. The initial pulse cooperates with a first floating power supply configured to create an electrical connection between at least one first load and the power source. A first slave is configured to generate a subsequent pulse based on the initial pulse. The subsequent pulse cooperates with a second floating power supply configured to create an electrical connection between at least one second load and the power source. The subsequent pulse is configured to cause an ensuing slave to generate an additional pulse. The additional pulse cooperates with a corresponding floating power supply configured to create an electrical connection between at least one additional load and the power source. 19-. (canceled)10. A noise reduction circuit for use with an electrosurgical system comprising:a master device configured to generate an initial pulse signal and to be electrically connected to a first floating power supply; and a first slave device configured to be electrically connected to a second floating power supply; and', 'a second slave device configured to be electrically connected to a third floating power supply, the first slave device configured to generate a first subsequent pulse signal based on the initial pulse signal, the first subsequent pulse signal causing the second slave device to generate a second subsequent pulse signal., 'a plurality of slave devices connected in series to the master device, the plurality of slave devices including11. The noise reduction circuit according to claim 10 , wherein at least one of the master device claim 10 , the first slave device claim 10 , or the second slave device is a 555 timer configured to generate a one-shot pulse signal.12. The noise reduction circuit ...

Adjusting Phases of Multiphase Ablation Generator to Detect Contact

A radio frequency ablation system, includes a single frequency RF signal generator, control circuitry configured to set phases and amplitudes of a plurality of replicas of the RF signal, a plurality of non-linear amplifiers, configured to amplify the plurality of replicas of the RF signal, and to drive a respective plurality of ablation electrodes in a patient body with the amplified replicas. A processor is configured to receive a superposition of the plurality of replicas as a return signal from a body surface patch electrode, and to adaptively adjust phases and amplitudes of the amplified replicas in response to the return signal with the control circuitry to zero crosstalk currents. In a tissue contact check mode of operation the phases of the amplified replicas are identical, and in an ablation mode of operation the phases of the amplified replicas differ from one another.

Venous Disease Treatment

A technique allows for an electrical connection between a thermal abrasion heating catheter and the energy delivery console that utilizes serial communication. Accordingly, the serial communication allows data such as measured temperature, start/stop status, intended treatment area, device identification, device calibration parameters and/or use history to be conveyed along the same wires that deliver power to a heating element. For example, data can be conveyed along a two wire connection and provided at a frequency that is filtered out so that it is not delivered to a heating feature. In this example, one wire provides power to the heating element, one wire provided communication from the energy delivery console, and a third wire provides a common ground which the heating catheter uses to communicate with the energy delivery console.

Systems, apparatuses, and methods for protecting electronic components from high power noise induced by high voltage pulses

Systems, devices, and methods for electroporation ablation therapy are disclosed, with a protection device for isolating electronic circuitry, devices, and/or other components from a set of electrodes during a cardiac ablation procedure. A system can include a first set of electrodes disposable near cardiac tissue of a heart and a second set of electrodes disposable in contact with patient anatomy. The system can further include a signal generator configured to generate a pulse waveform, where the signal generator coupled to the first set of electrodes and configured to repeatedly deliver the pulse waveform to the first set of electrodes. The system can further include a protection device configured to selectively couple and decouple an electronic device to the second set of electrodes.

ELECTROSURGICAL APPARATUS

An electrosurgical apparatus having a feed structure comprising a radiofrequency (RF) channel for conveying RF electromagnetic (EM) radiation from an RF signal generator to a probe and a microwave channel for conveying microwave EM radiation from a microwave signal generator to the probe, wherein the RF channel and microwave channel comprise physically separate signal pathways, wherein the feed structure includes a combining circuit having an input connected to the signal pathway on the RF channel, another input connected to the signal pathway on the microwave channel, and an output connected to a common signal pathway for conveying the RE EM radiation and EM radiation separately or simultaneously to the probe, and wherein the microwave channel includes a waveguide isolator connected to isolate the signal pathway on the microwave channel from the RF EM radiation. 1. Electrosurgical apparatus for resection of biological tissue , the apparatus comprising:a radiofrequency (RF) signal generator for generating RF electromagnetic (EM) radiation having a first frequency;a microwave signal generator for generating microwave EM radiation having a second frequency that is higher than the first frequency;a probe arranged to deliver the RF EM radiation and the microwave EM radiation separately or simultaneously from a distal end thereof; anda feed structure for conveying the RF EM radiation and the microwave EM radiation to the probe, the feed structure comprising an RF channel for connecting the probe to the RF signal generator, and a microwave channel for connecting the probe to the microwave signal generator,wherein the RF channel and microwave channel comprise physically separate signal pathways from the RF signal generator and microwave signal generator respectively,wherein the feed structure includes a combining circuit having a first input connected to the separate signal pathway on the RF channel, a second input connected to the separate signal pathway on the microwave ...

Electrosurgical apparatus for generating radiofrequency energy and microwave energy for delivery into biological tissue

An isolating circuit for electrosurgical generator arranged to produce radiofrequency (RF) energy and microwave energy for treating biological tissue. The generator has an RF channel and a microwave channel which are combined at signal combiner to enable the RF energy and microwave energy to be delivered into tissue along a common feed path. The isolating circuit comprises a tunable waveguide isolator at a junction between the microwave channel and signal combiner, and can include a capacitive structure between a ground conductor of the signal combiner and a conductive input section of the waveguide isolator to inhibit coupling of the RF energy and leakage of the microwave energy. The isolating circuit can combine into a single tunable unit all the necessary components to isolate the microwave and RF channels from one another whilst providing a high withstanding voltage.

Electrosurgical Instrument and Method for Manufacturing Thereof

An electrosurgical instrument with first and second branches that are pivotably supported by a support pin is disclosed. The first branch has a first tissue contact surface and the second branch has a second tissue contact surface. The two tissue contact surfaces are electrically connected with an electric connection device at the first branch. The electric connection is at least partly established via a respective conductor. The second conductor is integrally formed by one single body. The second conductor has a contact section with at least one contact part in contact with an electrically conductive circumferential surface of the support pin, such that an electric rotation connection is established between the contact section and the support pin. In this manner the second conductor arranged in the first branch can establish an electric connection with the second branch via the support pin and further with the second tissue contact surface.

Robotic surgical system with local sensing of functional parameters based on measurements of multiple physical inputs

A system for controlling a robotic arm is disclosed. The system includes a robotic arm including a surgical tool, a tool driver, and at least two sensors disposed on the robotic arm to redundantly monitor a status of the robotic arm and to verify an operational parameter of the surgical robotic tool. A central control circuit is configured to measure a first physical property of the robotic arm based on readings from the first sensor, measure a second physical property of the robotic arm based on readings from the second sensor, and determine a status of the robotic arm based on the first and second measurements of the first and second physical properties of the robotic arm.

Generator for digitally generating combined electrical signal waveforms for ultrasonic surgical instruments

Disclosed is a method of generating electrical signal waveforms by a generator. The method includes storing phase points of first and second digital electrical signal waveforms in first and second lookup tables. The first and second digital electrical signal waveforms are represented by a predetermined number of phase points that define wave shapes. At each clock cycle, a digital synthesis circuit retrieves phase points from the first and second lookup tables and the digital processing circuit combines phase points from the first and second lookup tables. A digital-to-analog converter (DAC) circuit converts the combined phase point into an analog signal. The analog signal is configured to drive a first and second ultrasonic transducer.

Switched diverter circuits for minimizing heating of an implanted lead in a high power electromagnetic field environment

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. In alternate configurations, the switch may be disposed between the implanted lead or the leadwire and the diversion circuit, or disposed so that it electrically opens the implanted lead or the leadwire when diverting energy through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.

Electrically powered medical device

System and method for power supply noise reduction

A method for minimizing current draw on a power source for an electrosurgical system includes the step of generating a first pulse signal from a master device to electrically cooperate with a first floating power supply configured to create an electrical connection between one or more first loads and a power supply. The method also includes the step of triggering an ensuing pulse signal from a slave device based on the first pulse signal to electrically cooperate with a subsequent floating power supply configured to create an electrical connection between one or more subsequent loads and the power supply.

Generator for digitally generating electrical signal waveforms for electrosurgical and ultrasonic surgical instruments

Disclosed is a method of generating electrical signal waveforms by a generator. The generator includes a digital processing circuit, a memory circuit in communication with the digital processing circuit, the memory circuit defining a lookup table, a digital synthesis circuit in communication with the digital processing circuit and the memory circuit, and a digital-to-analog converter (DAC) circuit. The method includes storing, by the digital processing circuit, phase points of a digital electrical signal waveform in the lookup table defined by the memory circuit, wherein the digital electrical signal waveform is represented by a predetermined number of phase points, wherein the predetermined number phase points define a predetermined wave shape. Receiving a clock signal by the digital synthesis circuit. Retrieving, by the digital processing circuit, a phase point from the lookup table. Converting, by the digital processing circuit, the retrieved phase point to an analog signal.

Techniques for circuit topologies for combined generator

Provided is a method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator. The method includes receiving a combined radio frequency (RF) and ultrasonic signal from a generator; generating a RF filtered signal by filtering RF frequency content from the combined signal; filtering ultrasonic frequency content from the combined signal; generating an ultrasonic filtered signal; providing the RF filtered signal to the RF energy output; and providing the ultrasonic filtered signal to the ultrasonic energy output.

Protection techniques for generator for digitally generating electrosurgical and ultrasonic electrical signal waveforms

A method of generating electrical signal waveforms. A generator includes a digital processing circuit, a memory circuit in communication with the digital processing circuit defining a lookup table, a digital synthesis circuit in communication with the digital processing circuit and the memory circuit, and a digital-to-analog converter (DAC) circuit. The method includes generating a first and second digital electrical signal waveforms, combining the first and second waveforms to form a combined waveform, modifying the combined waveform to form a modified waveform The peak amplitude of the modified waveform does not exceed a predetermined amplitude value. The method includes generating a second waveform that is a function of the first waveform. The method includes modifying a frequency of the first waveform to form a frequency modified first waveform and combining the frequency modified first and second waveforms to form a combined waveform.

Method and apparatus for selecting operations of a surgical instrument based on user intention

Disclosed is a method for operating a surgical instrument, the surgical instrument comprising a radio frequency (RF) energy output, an ultrasonic energy output, and a first jaw and a second jaw configured for pivotal movement between a closed position and an open position, the method comprising: receiving a first input indicating a user selection of one of a first option and a second option; receiving a second input indicating whether the first jaw and the second jaw are in the closed position or in the open position; receiving a third input indicating electrical impedance at the RF energy output; and selecting a mode of operation for treating a tissue from a plurality of modes of operation based at least in part on the first input, the second input and the third input.

Circuits for supplying isolated direct current (DC) voltage to surgical instruments

Provided is an apparatus, system, and method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator. The circuit may be configured to isolate a direct current (DC) voltage from the combined RF and ultrasonic signal. The DC voltage may then be used to power various electrical components of the surgical instrument while still providing RF energy and ultrasonic energy for surgical application.

Techniques for operating generator for digitally generating electrical signal waveforms and surgical instruments

Disclosed is a method of generating electrical signal waveforms by a generator. The generator includes a processor and a memory in communication with the processor. The memory defines a first and second table. The processor retrieves information from the first table defined in the memory, where the information is associated with a first wave shape of a first electrical signal waveform for performing a surgical procedure. The processor retrieves information from the second table defined in the memory, where the information is associated with a second wave shape of a second electrical signal waveform for performing a surgical procedure. The processor combines the first and second wave shapes to create a combined wave shape of an electrical signal waveform for performing a surgical procedure and the combined wave shape electrical signal waveform for performing a surgical procedure is delivered to a surgical instrument.

Circuit topologies for combined generator

Provided is an apparatus, system, and method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator, where the circuit may be configured to filter frequency content of the combined signal and is configured to provide a first filtered signal to the RF energy output and a second filtered signal to the ultrasonic energy output or the circuit may be configured to switch between outputs of the surgical instrument.

Circuit for radio-frequency devices, applied for live tissues, and device containing said circuit

FIELD: medicine. SUBSTANCE: invention relates to medical equipment, namely to radio-frequency devices for influence on live tissues. Circuit for power supply to electrodes of device, which includes electric scalpel and/or device for diathermy by passing current with frequencies from 100 kHz to 10 MHz contains resonance successive filter and resonance parallel filter. Resonance successive and parallel filters are syntonised to ensure passing through themselves main frequency of inlet signal, and simultaneously exponential decay of remaining harmonics with increase of frequency of harmonics. Resonance successive and parallel filters are divided with transformer TRF, tuned to radio-frequency, with transformation coefficient 1:N, where N is a real number. Circuit is used in device for diathermy and electric scalpel. EFFECT: application of invention makes it possible to reduce disturbance to other electronic equipment. 11 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2 464 950 (13) C2 (51) МПК A61B 18/12 (2006.01) H03H 1/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2010101670/14, 26.05.2008 (24) Дата начала отсчета срока действия патента: 26.05.2008 (73) Патентообладатель(и): ИНДИБА, С.А. (ES) (43) Дата публикации заявки: 27.07.2011 Бюл. № 21 (56) Список документов, цитированных в отчете о поиске: US 4209018 А, 24.06.1980. ЕР 0854564 В1, 22.07.1998. US 6961251 B2, 11.01.2005. ES 253731, 29.11.1958. US 4615330 A, 10.07.1986. SU 1648410 A1, 07.12.1988. RU 2294712 C1, 10.03.2007. RU 2136238 C1,10.09.1999. GERHARD, "Surgical Electrotechnology: Quo Vadis?", IEEE Transactions on Biomedical Engineering, v.BME-31, No. 12, 1984, p.p.787792. (см. прод.) C 2 C 2 2 4 6 4 9 5 0 (45) Опубликовано: 27.10.2012 Бюл. № 30 R U 2 4 6 4 9 5 0 (85) Дата начала рассмотрения заявки PCT на национальной фазе: 20.01.2010 (86) Заявка PCT: ES 2008/000372 (26.05.2008) (87) Публикация заявки РСТ: WO 2008/155433 (24.12.2008) Адрес ...

Treatment of venous diseases

一种技术允许热磨蚀加热导管与利用串行通信的能量递送控制台之间进行电连接。据此，串行通信允许沿将电力递送到加热元件的相同导线输送例如所测量温度、开始/停止状态、预期治疗区域、装置标识、装置校准参数及/或使用历史等数据。举例来说，可沿两导线连接来输送且以被滤除的频率来提供数据，使得所述数据不被递送到加热特征。在此实例中，一个导线将电力提供到所述加热元件，一个导线提供来自所述能量递送控制台的通信，且第三导线提供所述加热导管用于与所述能量递送控制台通信的共同接地。

DIAGRAM FOR RADIO FREQUENCIES APPLICABLE FOR LIVING TISSUES, AND DEVICE CONTAINING THIS DIAGRAM

1. Схема для радиочастотных устройств, применяемая для живых тканей, которая включает в себя устройства для диатермии, осуществляемой путем пропускания тока с частотами от 100 кГц до 10 МГц различного типа, и электроскальпели, отличающаяся тем, что содержит: ! резонансный последовательный фильтр, состоящий из индуктивности LS1 и емкости CS1; ! резонансный параллельный фильтр, состоящий из индуктивности LP и емкости CP; ! при этом упомянутый резонансный последовательный фильтр и упомянутый резонансный параллельный фильтр синтонизированы для обеспечения пропускания через себя основной частоты входного сигнала и обеспечивают одновременное экспоненциальное затухание остальных гармоник при повышении частоты гармоник; ! упомянутые резонансные последовательный и параллельный фильтры разделены трансформатором TRF (Tuned Radio Frequency) (настроенный на радиочастоту) с коэффициентом трансформации 1:N, где N - действительное число; ! при этом выходная частота изменяется в зависимости от импеданса системы электрод-плюс-пациент, благодаря чему схему и/или частоту можно синтонизировать, чтобы импедансы выходной схемы соответствовали импедансу блока электрод-плюс-пациент. ! 2. Схема по п.1, отличающаяся тем, что индуктивность резонансного параллельного фильтра LP представляет собой паразитную индуктивность вторичной обмотки трансформатора TRF. ! 3. Схема по п.1 или 2, отличающаяся тем, что индуктивность резонансного параллельного фильтра LP является независимой индуктивностью. ! 4. Схема по п.1, отличающаяся тем, что содержит подавляющий конденсатор CS2_CAP, CS2_RES на каждом выходе, при этом индуктивность LS2_CAP, LS2_RES установлена последовательно с РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 2010 101 670 (13) A (51) МПК A61B 18/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2010101670/14, 26.05.2008 (71) Заявитель(и): ИНДИБА, С.А. (ES) Приоритет(ы): (30) Конвенционный приоритет: 20.06.2007 ES ...

Frequency agility generator for surgical instruments

本发明公开了一种包括发生器和外科器械的系统，其中该发生器被配置成能够将包括射频(RF)分量和超声分量的组合信号递送到外科器械；并且该外科器械包括：RF能量输出端、超声能量输出端、和电路。该电路被配置成能够将RF分量导向至RF能量输出端并且将超声分量导向至超声能量输出端，其中该发生器被配置成能够基于该电路的电路部件的表征调节RF分量的频率。

Power supply device, surgical system provided with power supply device, and method for operating power supply device

电源装置(200)是向处置器具(100)的探头(122)与电极(136)之间供给高频电力的电源装置(200)，该处置器具(100)具备探头(122)、把持构件(134)以及电极(136)，其中，该探头(122)具备导电性且进行振动，该把持构件(134)相对于探头(122)开闭，该电极(136)设置于把持构件(134)，该电源装置(200)具备：电阻获取电路(214)，其用于反复获取探头(122)与电极(136)之间的电阻的电阻值；条件判断电路(216)，其获取在探头(122)进行振动且向探头(122)与电极(136)之间供给电力的期间电阻值满足规定条件的次数；以及判定电路(218)，其基于次数来判定探头(122)与电极(136)之间是否电短路。

Electrosurgical instrument

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2020 116 540 A (51) МПК A61B 17/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2020116540, 20.05.2020 (71) Заявитель(и): ЭРБЕ ЭЛЕКТРОМЕДИЦИН ГМБХ (DE) Приоритет(ы): (30) Конвенционный приоритет: (72) Автор(ы): БОБ Феликс (DE) 27.05.2019 EP 19176740.9 Адрес для переписки: 105082, Москва, Спартаковский пер., д. 2, стр. 1, секция 1, этаж 3, "ЕВРОМАРКПАТ", Веселицкий Максим Борисович Стр.: 1 A 2 0 2 0 1 1 6 5 4 0 R U A (57) Формула изобретения 1. Электрохирургический инструмент (10), имеющий первую браншу (11), которая имеет опорную выемку (25), и вторую браншу (12), которая имеет опорную цапфу (24), которая выступает в опорную выемку (25) первой бранши (11), за счет чего образован поворотный шарнир (13), посредством которого первая бранша (11) прикреплена ко второй бранше (12) с возможностью поворота вокруг поворотной оси (S), предусмотренную во второй бранше (12) направляющую нож выемку (61), в которой с возможностью направленного перемещения в направлении (В) перемещения установлен нож (60), причем опорная цапфа (24) расположена в поперечном направлении (Q) параллельно поворотной оси (S) на одной стороне смежно направляющей нож выемке (61), а вторая бранша (12) выполнена на противоположной в поперечном направлении (Q) другой стороне направляющей нож выемки (61) без опорной цапфы и без опорной выемки. 2. Электрохирургический инструмент по п. 1, отличающийся тем, что поворотная ось (S) пронизывает направляющую нож выемку (61). 3. Электрохирургический инструмент по одному из предшествующих пунктов, отличающийся тем, что предусмотрены единственная опорная цапфа (24) и единственная опорная выемка (25). 4. Электрохирургический инструмент по одному из предшествующих пунктов, отличающийся тем, что первая бранша (11) имеет первую поверхность прилегания (56), в которой оканчивается опорная выемка (25), что вторая бранша (12) имеет вторую поверхность прилегания (57), от ...

Combination monophasic action potential/ablation catheter and high-performance filter system

A combination catheter for both detecting monophasic action potentials and ablating surface tissue in an in vivo heart of a patient is provided. The apparatus includes a catheter probe having a terminal tip portion and an electrode carried on the tip such that a portion of the tip electrode is exposed to ambient. A reference electrode is spaced along the tip from the first electrode for supplying a reference potential signal. An ablating electrode is located adjacent to but electrically insulated from both the tip and reference electrodes for providing electromagnetic energy to the tip. The electrodes are electrically connected to the proximal end of the catheter through individual conductors or wires that run through an insulated cable. An electronic filter is provided to permit the recording of MAPs during ablation without radiofrequency interference. The catheter may also include standard mapping and/or pacing electrodes. The catheter may further include a steering mechanism for positioning the catheter at various treatment sites in the heart, and a structure for holding the tip electrode in substantially perpendicular contact with heart tissue with a positive pressure, and for spacing the reference electrode from the heart tissue.

Switched diverter circuits for minimizing heating of an implanted lead and/or providing EMI protection in a high power electromagnetic field environment

An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. In alternate configurations, the switch may be disposed between the implanted lead or the leadwire and the diversion circuit, or disposed so that it electrically opens the implanted lead or the leadwire when diverting energy through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.

Frequency selective passive component networks for implantable leads of active implantable medical devices utilizing an energy dissipating surface

Decoupling circuits are provided which transfer energy induced from an MRI pulsed RF field to an energy dissipating surface. This is accomplished through broadband filtering or by resonant filtering. In a passive component network for an implantable leadwire of an active implantable medical device, a frequency selective energy diversion circuit is provided for diverting high-frequency energy away from a leadwire electrode to a point or an area spaced from the electrode, for dissipation of high-frequency energy.

An electrosurgical generator and system

Patent RU2015156588A3

`7ВУ’” 2015156588” АЗ Дата публикации: 17.07.2019 Форма № 18 ИЗИМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2015156588/14(087225) 29.12.2015 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 14/587,538 31.12.2014 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) УМЕНЬШЕНИЕ ШУМА НА ЭЛЕКТРОКАРДИОГРАММЕ Заявитель: БАЙОСЕНС ВЕБСТЕР (ИЗРЭЙЛ) ЛТД., П. 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. п см. Примечания [ ] приняты во внимание следующие пункты: р [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) Аб1В 15/14 (2006.01) Аб1В 5/00 (2006.01) Аб1В 5/042 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) Аб1В 5/00, 5/042, 18/00, 18/14 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепе Соозе, Рабеагсв, КОРТО, ОЗРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, Относится к гория* относящихся к предмету поиска пункту формулы № 1 2 ...

Circuit for radiofrequency devices applicable to living tissues and device containing same

一种适用于活体组织的射频设备的电路及包含该电路的设备。电极的供应电路包括串联谐振滤波器和并联谐振滤波器，通过提高其频率而被谐振以许可输入信号的基波信号、同时按指数规律地衰减其余谐波，以这样一种方法以致具有谐波的输入信号仅仅将基波信号不衰减地传递到输出端，同时，在其频率上升时，引起干扰的谐波愈加被衰减。

ELECTRIC CARD NOISE REDUCTION

РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2015 156 588 A (51) МПК A61N 1/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ЗАЯВКА НА ИЗОБРЕТЕНИЕ (21)(22) Заявка: 2015156588, 29.12.2015 (71) Заявитель(и): БАЙОСЕНС ВЕБСТЕР (ИЗРЭЙЛ) ЛТД. (IL) Приоритет(ы): (30) Конвенционный приоритет: 31.12.2014 US 14/587,538 Адрес для переписки: 129090, ООО 'Юридическая фирма Городисский и Партнеры' ул. Большая Спасская, д.25, строение 3 Москва 129090 Стр.: 1 A 2 0 1 5 1 5 6 5 8 8 R U A (57) Формула изобретения 1. Система катетеризации, содержащая: катетер, имеющий гибкий ствол катетера с дистальным участком, выполненным с возможностью введения в сердце субъекта, причем ствол катетера имеет просвет для прохождения через него электропроводящей жидкости c выходом из катетера на дистальном участке, при этом катетер обеспечивает изолированное заземление системы; электрическое соединение, соединяющее электропроводящую жидкость и изолированное заземление. 2. Система катетеризации по п. 1, в которой электрическое соединение соединяет электропроводящую жидкость в месте в просвете катетера проксимальнее дистального участка ствола катетера. 3. Система катетеризации по п. 1, в которой катетер включает в себя рукоятку управления и электрическое соединение соединяет электропроводящую жидкость и изолированное заземление в рукоятке управления. 4. Система катетеризации по п. 3, в которой электрическое соединение включает в себя электропроводящую проволоку, расположенную в рукоятке управления и выполненную с возможностью обеспечения электрического соединения между жидкостью и изолированным заземлением. 5. Система катетеризации по п. 1, в которой катетер включает в себя рукоятку управления и электрическое соединение соединяет электропроводящую жидкость с изолированным заземлением проксимальнее рукоятки управления. 6. Система катетеризации по п. 5, в которой электрическое соединение включает в себя электропроводящую проволоку, которая разветвляется, и одно ответвление имеет ...

Electrosurgical apparatus

An electrosurgical apparatus having a feed structure comprising a radiofrequency (RF) channel (306) for conveying RF electromagnetic (EM) radiation from an RF signal generator (300) to a probe and a microwave channel (304) for conveying microwave EM radiation from a microwave signal generator (302) to the probe, wherein the RF channel (306) and microwave channel (304) comprise physically separate signal pathways, wherein the feed structure includes a combining circuit (308) having an input connected to the signal pathway on the RF channel (306), another input connected to the signal pathway on the microwave channel (304), and an output connected to a common signal pathway for conveying the RF EM radiation and EM radiation separately or simultaneously to the probe, and wherein the microwave channel (304) includes a waveguide isolator (312) connected to isolate the signal pathway on the microwave channel (304) from the RF EM radiation.

Electroscapel circuit with a variable output frequency

ECG noise reduction

Venous Disease Treatment

一种技术允许热磨蚀加热导管与利用串行通信的能量递送控制台之间进行电连接。据此，串行通信允许沿将电力递送到加热元件的相同导线输送例如所测量温度、开始/停止状态、预期治疗区域、装置标识、装置校准参数及/或使用历史等数据。举例来说，可沿两导线连接来输送且以被滤除的频率来提供数据，使得所述数据不被递送到加热特征。在此实例中，一个导线将电力提供到所述加热元件，一个导线提供来自所述能量递送控制台的通信，且第三导线提供所述加热导管用于与所述能量递送控制台通信的共同接地。

Frequency agile generator for a surgical instrument

Disclosed is a system comprising a generator and a surgical instrument, wherein the generator is configured to deliver a combined signal comprising a radio frequency (RF) component and an ultrasonic component to the surgical instrument; and the surgical instrument comprises: an RF energy output, an ultrasonic energy output, a circuit configured to steer the RF component to the RF energy output and steer the ultrasonic component to the ultrasonic energy output, wherein the generator is configured to adjust a frequency of the RF component based on a characterization of a circuit component of the circuit.

Tuned energy balanced system for minimizing heating of implanted leads in a high power electromagnetic field environment

Electrosurgical apparatus

Circuit topologies for combined generator

Provided is an apparatus, system, and method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator, where the circuit may be configured to filter frequency content of the combined signal and is configured to provide a first filtered signal to the RF energy output and a second filtered signal to the ultrasonic energy output or the circuit may be configured to switch between outputs of the surgical instrument.

Electrosurgical instrument

An electrosurgical instrument with first and second branches pivotably arranged at a hinge is disclosed. The hinge is formed by a support pin at the second branch and a corresponding support cavity at the first branch. At one side adjacent to the hinge location at which the support pin extends into the support cavity, a knife guide cavity is provided in the second branch for a moveable guided support of a knife. Parallel to the pivot axis defined by the hinge, the knife guide cavity is arranged adjacent to an axial end of the support pin. The hinge or the hinge location formed by the hinge at which the support pin is arranged in the support cavity is only arranged on one side of the knife guide cavity viewed in a direction parallel to the pivot axis. The respective other side is free from hinge components.

Electrosurgical apparatus

An electrosurgical apparatus having a feed structure comprising a radiofrequency (RF) channel for conveying RF electromagnetic (EM) radiation from an RF signal generator to a probe and a microwave channel for conveying microwave EM radiation from a microwave signal generator to the probe, wherein the RF channel and microwave channel comprise physically separate signal pathways, wherein the feed structure includes a combining circuit having an input connected to the signal pathway on the RF channel, another input connected to the signal pathway on the microwave channel, and an output connected to a common signal pathway for conveying the RE EM radiation and EM radiation separately or simultaneously to the probe, and wherein the microwave channel includes a waveguide isolator connected to isolate the signal pathway on the microwave channel from the RF EM radiation.

Combination monophasic action potential/ablation catheter and high-performance filter system

A combination catheter for both detecting monophasic action potentials and ablating surface tissue in an in vivo heart of a patient is provided. The apparatus includes a catheter probe having a terminal tip portion (10) and an electrode (20) carried on the tip such that a portion of the tip electrode (20) is exposed to ambient. A reference electrode (50) is spaced along the tip from the first electrode for supplying a reference potential signal. An ablating electrode (30) is located adjacent to but electrically insulated from both the tip (20) and reference (50) electrodes for providing electromagnetic energy to the tip. The electrodes are electrically connected to the proximal end of the catheter through individual conductors or wires (22, 32, and 50) that run through an insulated cable. An electronic filter is provided to permit the recording of MAPs during ablation without radiofrequency interference. The catheter may also include standard mapping and/or pacing electrodes (80 and 75) respectively. The catheter may further include a steering mechanism for positioning the catheter at various treatment sites in the heart, and a structure for holding the tip electrode in substantially perpendicular contact with heart tissue with a positive pressure, and for spacing the reference electrode from the heart tissue.

Electrosurgical apparatus

An electrosurgical apparatus having a feed structure comprising a radiofrequency (RF) channel (306) for conveying RF electromagnetic (EM) radiation from an RF signal generator (300) to a probe and a microwave channel (304) for conveying microwave EM radiation from a microwave signal generator (302) to the probe, wherein the RF channel (306) and microwave channel (304) comprise physically separate signal pathways, wherein the feed structure includes a combining circuit (308) having an input connected to the signal pathway on the RF channel (306), another input connected to the signal pathway on the microwave channel (304), and an output connected to a common signal pathway for conveying the RF EM radiation and EM radiation separately or simultaneously to the probe, and wherein the microwave channel (304) includes a waveguide isolator (312) connected to isolate the signal pathway on the microwave channel (304) from the RF EM radiation.

Passive header module for a modular energy system

A modular energy system including a header module and a module. The header module includes a display screen for displaying a user interface. The header module is configured to receive data, including safety critical data, from the module, control the display screen to cause the Ul to display Ul content based on the received data, the Ul content including safety critical Ul content based on the safety critical data, and transmit the displayed safety critical Ul content to the module for verification thereby. The module is configured to confirm whether the transmitted safety critical data coincides with the displayed safety critical Ul content. In the event that it is determined that they do not coincide, the header module and/or the module can be configured to stop the function(s) of the module, display an alert on the display screen, and take various other actions.

CIRCUITOPARA ELECTROBISTURIS OR DIATHERMIA DEVICE, DIATERMIA DEVICE AND ELETROBISTURI DEVICE

circuito para eletrobisturis ou dispositivos para diatermia, dispositivo de diatermia e dispositivo de eletrobisturi a presente invenção refere-se a um circuito 5 para dispositivos de radiofrequência aplicáveis a tecidos vivos e dispositivo contendo o mesmo. o circuito de alimentação dos eletrodos compreende um filtro ressonante em série em um filtro ressonante em paralelo, sintonizados para deixarem passar o sinal fundamental do sinal de entrada e que simultaneamente atenuam de forma exponencial o restante de harmônicos ao aumentar a frequência destes, de maneira que o sinal de entrada com harmônicos passe para a saída do sinal fundamental sem atenuação, enquanto que os harmônicos que causam interferências são crescentemente atenuados, à medida que sua frequência aumenta. circuit for electrobisturis or diathermy devices, diathermy device and electrobisturia device The present invention relates to a circuit 5 for radiofrequency devices applicable to living tissues and device containing the same. The electrode power circuit comprises a series resonant filter in a parallel resonant filter, tuned to let the fundamental signal of the input signal pass through and simultaneously exponentially attenuate the rest of harmonics by increasing their frequency, so that the harmonic input signal goes to the non-attenuated fundamental signal output, while interfering harmonics are increasingly attenuated as their frequency increases.

Filter circuit for electro physiology system

消融发生器可以包括用于接收患者组织的相应的监视信号的输入端口和用于向另一装置提供监视信号的输出端口。滤波电路可以设置在输入端口和输出端口之间，滤波电路被配置为在与消融发生器相关联的标测和导航系统发送信号的一个或多个频率处或附近呈现高阻抗。滤波电路可以附加地或可替代地设置在电生理系统中的监视系统或另一部件中。

An electrosurgical generator and system

Circuit topologies for combined generator

Provided is an apparatus, system, and method for managing radio frequency (RF) and ultrasonic signals output by a generator that includes a surgical instrument comprising an RF energy output and an ultrasonic energy output and a circuit configured to receive a combined RF and ultrasonic signal from the generator, where the circuit may be configured to filter frequency content of the combined signal and is configured to provide a first filtered signal to the RF energy output and a second filtered signal to the ultrasonic energy output or the circuit may be configured to switch between outputs of the surgical instrument.

Ultrasonic surgical device with reduction in electrical interference

An ultrasonic surgical device has a hand piece, a probe, and an electromechanical transducer assembly disposed inside the hand piece. The probe is mounted to a distal end of the hand piece and is operatively connected to the transducer assembly. An electrical connector is mounted at least indirectly to the hand piece, while an electrical circuit electrically or operatively connects the probe to the electrical connector. A wire or cable is operatively coupled at one end to the electrical connector and at an opposite end to electrical ground.

Patent BR112016013232A2

Device for thermosurgery

The invention relates to a device (10) for thermosurgery. The appliance (10) comprises a generator (12) for providing high-frequency electrical treatment energy, an interface connection arrangement (14) permitting connection of a plurality of electrodes that are to be placed on or in the body of a patient (18), wherein the electrodes comprise an application electrode (16), to be positioned in the area of the treatment site, and a plurality of planar counterelectrodes (21, 22, 26, 27), and impedance measurement means (30, 35, 40) permitting an impedance measurement in several voltage circuits, each of which leads across at least one counterelectrode (21, 22, 26, 27) connected to the interface connection arrangement (14).

Surgical instrument for powering an auxiliary function using a drive signal

本发明提供了一种能够连接到外科能量模块的外科器械，该外科能量模块被配置成能够提供在第一频率范围内的用于驱动第一能量模态的第一驱动信号和在第二频率范围内的用于驱动第二能量模态的第二驱动信号。该外科器械可包括端部执行器、电路和被配置成能够从直流(DC)电源接收电力的外科器械部件。该电路可被配置成能够将该第一电信号转换成DC电压，将该DC电压施加到该外科器械部件，并且根据该第二驱动信号将该第二能量模态递送到该端部执行器。另选地，该电路可设置在被配置成能够将该外科器械连接到该外科能量模块的缆线组件内。

Filter for monopolar surgical instrument energy path

An electrosurgical system includes an instrument, an RF energy generator, and two ground pads. The instrument includes an electrode and a conductive shield that is configured to collect a capacitive coupling current that is induced by the application of RF energy to tissue by the electrode. A first electrical lead couples the first ground pad with the ground return of the conductive shield and the generator. The ground return is configured to divert a first portion of the capacitive coupling current to the generator via the first electrical lead. A second electrical lead couples the second ground pad with the ground return of the conductive shield and the generator. The ground return is configured to divert a second portion of the capacitive coupling current to the generator via the second electrical lead. The first and second portions of the capacitive coupling current are substantially equal.

Adaptively connectable and redistributable system accessories for modular energy systems

本发明公开了一种模块化能量系统，该模块化能量系统可包括能够可移除地耦接到一个或多个能量模块的头模块。一个或多个能量模块共同包括能够连接到外科器械的多个端口，并且一个或多个能量模块各自被配置成能够驱动用于外科器械的多种能量模态。该头模块可包括被配置成能够显示用户界面的显示屏。头模块能够连接到脚踏开关，使得头模块能够从脚踏开关接收控制信号并且能够将控制信号发送到脚踏开关。头模块可进一步包括被配置成能够将脚踏开关分配到特定端口，并且基于经由用户界面接收的用户输入，将脚踏开关重新分配到端口中的另一个端口。

Filter circuit for electrophysiology system

An ablation generator may include an input port for receiving a monitoring signal respective of tissue of the patient and an output port for providing the monitoring signal another device. A filtering circuit may be disposed between the input port and the output port, the filtering circuit configured to present a high impedance at one or more frequencies at or near which a mapping and navigation system associated with the ablation generator transmits a signal. The filtering circuit may additionally or alternatively be provided in a monitoring system or another component in an electrophysiology system.

Circuit for radiofrequency devices applicable to living tissues and device containing same

A circuit for radiofrequency devices applicable to living tissues and device containing same. The supply circuit for the electrodes comprises a series resonant filter and a parallel resonant filter, synthonized to admit the fundamental signal of the input signal and simultaneously and exponentially attenuate the remaining harmonics by increasing the frequency thereof, in such a way that the input signal with harmonics only passes the fundamental signal without attenuation to the output, while the harmonics causing interferences are increasingly attenuated as their frequency is raised.

Generator for outputting high-frequency alternating current to medical equipment

Circuit for supplying isolated direct current (DC) voltage to a surgical instrument

発生器によって出力される無線周波数（ＲＦ）信号及び超音波信号を管理するための装置、システム、及び方法が提供され、これは、ＲＦエネルギー出力部と、超音波エネルギー出力部と、発生器から、合成されたＲＦ信号及び超音波信号を受信するように構成された回路と、を含む外科用器具を備える。回路は、合成されたＲＦ信号及び超音波信号から直流（ＤＣ）電圧を絶縁するように構成することができる。その後、ＤＣ電圧を使用して、外科用器具の多様な電気部品に電力を供給することができる一方、外科用途のためのＲＦエネルギー及び超音波エネルギーを依然提供することができる。

Venous disease treatment

A technique allows for an electrical connection between a thermal abrasion heating catheter and the energy delivery console that utilizes serial communication. Accordingly, the serial communication allows data such as measured temperature, start/stop status, intended treatment area, device identification, device calibration parameters and/or use history to be conveyed along the same wires that deliver power to a heating element. For example, data can be conveyed along a two wire connection and provided at a frequency that is filtered out so that it is not delivered to a heating feature. In this example, one wire provides power to the heating element, one wire provided communication from the energy delivery console, and a third wire provides a common ground which the heating catheter uses to communicate with the energy delivery console.

Electrosurgical device for combined RF / microwave supply

Aparato electroquirurgico para la reseccion de tejido biologico, comprendiendo el aparato: un generador de senales de radiofrecuencia (RF) (218), para generar radiacion electromagnetica (EM) de RF que tiene una primera frecuencia; un generador de senales de microondas (220), para generar radiacion EM de microondas que tiene una segunda frecuencia que es mas alta que la primera frecuencia; una sonda dispuesta para suministrar la radiacion EM de RF y la radiacion EM de microondas por separado, o simultaneamente, desde un extremo distal de la misma; y una estructura de alimentacion para transportar a la sonda la radiacion EM de RF y la radiacion EM de microondas, comprendiendo la estructura de alimentacion un canal de RF (212, 214) para conectar la sonda al generador de senales de RF y un canal de microondas (210) para conectar la sonda al generador de senales de microondas, en donde el canal de RF y el canal de microondas comprenden unas vias de senales que estan separadas fisicamente del generador de senales de RF (218) y del generador de senales de microondas (220), respectivamente, en el que la estructura de alimentacion incluye un circuito de combinacion (206) que tiene una primera entrada (203) conectada a la via independiente de senales en el canal de RF, una segunda entrada conectada a la via independiente de senales en el canal de microondas y una salida (207) conectada a una via comun de senales para transportar a la sonda la radiacion EM de RF y la radiacion EM de microondas, por separado o simultaneamente, a lo largo de un solo canal, y en donde el canal de microondas incluye un aislador de guia de ondas (200), conectado para aislar la via independiente de senales en el canal de microondas con respecto a la radiacion EM de RF. Electrosurgical apparatus for the resection of biological tissue, the apparatus comprising: a radiofrequency (RF) signal generator (218), to generate RF electromagnetic radiation (EM) having a first frequency; a microwave signal ...

Electrosurgical apparatus for generating radiofrequency energy and microwave energy for delivery into biological tissue

Electrosurgery unit

一种具有馈送结构的电外科设备包括：射频(RF)信道(306)，用于将来自RF信号发生器(300)的RF电磁(EM)辐射传输给探针；以及微波信道(304)，用于将来自微波信号发生器(302)的EM辐射传输给探针，其中，该RF信道(306)和该微波信道(304)包括物理上分离的信号通路，其中，该馈送结构包括组合电路(308)，该组合电路具有：连接至在RF信道(306)上的信号通路的输入端；连接至在微波信道(304)上的信号通路的另一个输入端；以及连接至共用信号通路的输出端，用于将RF EM辐射和EM辐射分别或者同时传输给探针，并且其中，该微波信道(304)包括波导隔离器(312)，该波导隔离器被连接为使位于微波信道(304)上的信号通路与RF EM辐射相隔离。

Circuit for radiofrequency devices applicable to living tissues and device containing same

Treatment system

　The treatment system of the present invention is provided with a first power source apparatus and a second power source apparatus to each of which a surgical device and a counter electrode plate can be connected, the first power source apparatus and the second power source apparatus are electrically connected and a biological tissue is treated while information is exchanged between the first power source apparatus and the second power source apparatus, and when only one of either the first power source apparatus or the second power source apparatus is connected to the counter electrode plate, control is performed so that output by a surgical device connected to the second power source apparatus is prohibited while a surgical device connected to the first power source apparatus is outputting, and output by a surgical device connected to the first power source apparatus is prohibited while a surgical device connected to the second power source apparatus is outputting.

Nanosecond pulsed electric field system

Described herein are apparatuses (e.g., systems and devices) and methods of delivering nanosecond pulsed electrical fields (nsPEF). In particular, these apparatuses and methods may provide enhanced safety and robust operation over even very short (e.g., nanosecond and sub-nanosecond pulses) and high voltage pulsing; these benefits may be accomplished by multi-functional isolation of various subsystems and components of the apparatus, even including the low-voltage, control and command portions of the apparatus with extremely low capacitance, high voltage isolation.

ULTRASONOGRAPHY METHOD AND PROBE FOR REMOVING ELECTROMAGNETIC NOISE

Système d'imagerie échographique (100) comprenant une sonde échographique (109) comprenant une pluralité d'éléments transducteurs (104), un écran d'affichage (118) et un processeur (116) connecté à la sonde échographique (109) et à l'écran (118). Le processeur (116) est conçu pour acquérir des données échographiques à l'aide de la pluralité d'éléments transducteurs (104), les données échographiques étant constituées par une pluralité de signaux. Le processeur (116) est conçu pour analyser les données échographiques afin de déterminer un signal de bruit électromagnétique estimé. Le processeur (116) est conçu pour modifier la pluralité de signaux d'après le signal de bruit électromagnétique estimé afin de générer une pluralité de signaux à bruit supprimé. Le processeur (116) est conçu pour générer une image d'après la pluralité de signaux à bruit supprimé et pour afficher l'image sur l'écran (118). An ultrasound imaging system (100) comprising an ultrasound probe (109) comprising a plurality of transducer elements (104), a display screen (118) and a processor (116) connected to the ultrasound probe (109) and the screen (118). The processor (116) is adapted to acquire ultrasound data using the plurality of transducer elements (104), the ultrasound data being a plurality of signals. The processor (116) is configured to analyze the ultrasound data to determine an estimated electromagnetic noise signal. The processor (116) is adapted to modify the plurality of signals based on the estimated electromagnetic noise signal to generate a plurality of noise suppressed signals. The processor (116) is arranged to generate an image from the plurality of noise suppressed signals and to display the image on the screen (118).

Treatment of cardiac tissue with pulsed electric fields

Devices, systems and methods are provided for treating conditions of the heart, particularly the occurrence of arrhythmias. The devices, systems and methods deliver therapeutic energy to portions the heart to provide tissue modification, such as to the entrances to the pulmonary veins in the treatment of atrial fibrillation. Generally, the tissue modification systems include a specialized catheter, a high voltage waveform generator and at least one distinct energy delivery algorithm. Other embodiments include conventional ablation catheters and system components to enable use with a high voltage waveform generator. Example catheter designs include a variety of delivery types including focal delivery, "one-shot" delivery and various possible combinations. In some embodiments, energy is delivered in a monopolar fashion. However, it may be appreciated that a variety of other embodiments are also provided.

Ablation generator comprising filter circuit for electrophysiology system

Circuits for supplying isolated direct current (dc) voltage to surgical instruments

Method and apparatus for selecting operations of a surgical instrument based on user intention.

Se describe un método para operar un instrumento quirúrgico, el instrumento quirúrgico comprende una salida de energía de radiofrecuencia (RF), una salida de energía ultrasónica, y una primera abrazadera y una segunda abrazadera configuradas para un movimiento giratorio entre una posición cerrada y una posición abierta, el método comprende: recibir una primera entrada que indica una selección de usuario de uno de una primera opción y segunda opción; recibir una segunda entrada que indica si la primera abrazadera y la segunda abrazadera están en la posición cerrada o en la posición abierta; recibir una tercera entrada que indica la impedancia eléctrica en la salida de energía de RF; y seleccionar un modo de operación para tratar un tejido a partir de una pluralidad de modos de operación basado al menos en parte en la primera entrada, la segunda entrada y la tercera entrada.

Energy module for driving multiple energy modalities through a port.

Se describe un módulo de energía conectable a un instrumento quirúrgico; el módulo de energía puede incluir un circuito, que puede incluir un primer amplificador y un segundo amplificador acoplado a un puerto del módulo de energía al cual puede conectarse un instrumento quirúrgico; el primer amplificador puede configurarse para generar una primera señal de accionamiento en un primer rango de frecuencia y el segundo amplificador puede configurarse para generar una segunda señal de accionamiento en un segundo rango de frecuencia; el circuito puede configurarse para controlar los amplificadores para suministrar la primera señal de accionamiento, la segunda señal de accionamiento, y/o una combinación de la primera y la segunda señales de accionamiento en un instrumento quirúrgico conectado al puerto.

Electrocardiogram noise reduction

本发明题为“心电图噪声降低”。本发明提供了一种导管插入系统，该导管插入系统包括电生理(EP)导管，该电生理导管具有管腔，该管腔接收由受到蠕动泵作用的液压管线递送的导电流体，该导管插入系统通过使用电连接件来使由液压管线中的导电流体携带的摩擦电荷与系统中的现有模拟接地短路从而有利地避开心内ECG信号记录中的噪声。在一个实施例中，电连接件包括导电线，该导电线容纳在控制手柄中并且被配置成在流体与印刷电路板上的销之间提供电连接，该印刷电路板容纳在电连接到模拟接地的控制手柄中。在另一个实施例中，该电连接件使导电流体在导管的控制手柄的近侧短路。

Coordinated energy outputs of separate but connected modules.

Se presentan los aspectos de la presente descripción para proporcionar salidas de energía coordinadas de módulos separados pero conectados, en algunos casos usando protocolos de comunicación, tal como el estándar del Servicio de distribución de datos (DDS); en algunos aspectos, se proporciona un circuito de comunicación entre una cabecera o dispositivo principal, un primer módulo y un segundo módulo, cada uno de los cuales incluye conexión a un segmento de un plano posterior común, donde la salida de un primer módulo puede ajustarse mediante la detección de un parámetro de un segundo módulo; en algunos aspectos, la señal puede pasar desde el primer módulo al segundo módulo a través de la cabecera o, en otros casos, directamente desde el primer módulo al segundo módulo; los aspectos de la presente descripción también incluyen métodos para activar automáticamente un sistema quirúrgico bipolar en uno o más de los sistemas modulares usando el estándar del DDS.

Adaptably connectable and reassignable system accessories for modular energy system

A modular energy system that can include a header module removably couplable to one or more energy modules. The one or more energy modules collectively comprise multiple ports to which a surgical instrument is connectable and are each configured to drive a plurality of energy modalities for the surgical instrument. The header module can comprise a display screen configured to display a user interface. The header module is connectable to a footswitch such that the header module can receive a control signal from the footswitch and can send a control signal to the footswitch. The header module can further comprise configured to assign the footswitch to a particular port and, based on user input received via the user interface, reassign the footswitch to another of the ports.

Conduit leak ring feedback fault detect with movable and inactive drive system

避免了诸如系统内的流体进入之类的故障状态的假肯定检测的用于冷冻手术系统的一种故障检测方法、系统和设备。故障检测机构一般可包括：具有活动模式和非活动模式的驱动器，该驱动器在驱动器处于活动模式时产生输出信号；检测器，该检测器能接收驱动器输出信号；以及与驱动器和检测器通信的检测器验证控制器，该检测器验证控制器在检测器接收驱动器输出信号时将驱动器从活动模式改变为非活动模式。如果控制器确定在检测器所接收信号与驱动器输出信号之间存在相关性，那么控制器可确定真故障状态。如果控制器确定各信号不相关，那么所有其他可能故障状态可被忽略。

modular surgical power system with tension-sensing positional awareness sensor module

"SISTEMA DE ENERGIA CIRÚRGICO MODULAR COM MÓDULO DE SENSOR DE CONSCIÊNCIA POSICIONAL COM DETECÇÃO DE TENSÃO". A presente invenção refere-se a um sistema cirúrgico modular. O sistema cirúrgico modular compreende um módulo de cabeçalho, um primeiro módulo cirúrgico, um segundo módulo cirúrgico e um circuito de identificação de módulo. O segundo módulo cirúrgico pode ser disposto em uma configuração da pilha com o módulo de cabeçalho e o primeiro módulo cirúrgico. O circuito de identificação de módulo é configurado para fazer com que uma corrente predeterminada seja transmitida para o primeiro módulo cirúrgico através do segundo módulo cirúrgico na configuração da pilha, detectar uma primeira tensão indicativa de uma primeira posição do primeiro módulo cirúrgico na configuração da pilha e detectar uma segunda tensão indicativa de uma segunda posição do segundo módulo cirúrgico na configuração da pilha. A segunda tensão é diferente da primeira tensão. "MODULAR SURGICAL ENERGY SYSTEM WITH POSITIONAL AWARENESS SENSOR MODULE WITH VOLTAGE DETECTION". The present invention relates to a modular surgical system. The modular surgical system comprises a header module, a first surgical module, a second surgical module, and a module identification circuit. The second surgical module may be arranged in a stack configuration with the header module and the first surgical module. The module identification circuit is configured to cause a predetermined current to be transmitted to the first surgical module through the second surgical module in the stack configuration, detecting a first voltage indicative of a first position of the first surgical module in the stack configuration and detecting a second voltage indicative of a second position of the second surgical module in the stack configuration. The second voltage is different from the first voltage.

Treatment system

A treatment system comprises a first power supply apparatus and a second power supply apparatus each connectable with a surgical device and a neutral electrode, the first power supply apparatus being electrically connected with the second power supply apparatus, the treatment system treating a living tissue while performing transmission and reception of information between the first and second power supply apparatuses, wherein, in a case where the neutral electrode is connected to only one of the first and second power supply apparatuses, an output of the surgical device connected to the second power supply apparatus is inhibited during an output of the surgical device connected to the first power supply apparatus, and the output of the surgical device connected to the first power supply apparatus is inhibited during the output of the surgical device connected to the second power supply apparatus.

Regional location tracking of components of a modular energy system

A surgical platform is disclosed. The surgical platform includes a component and a regional location tracking module configured to connect with an external device and receive geographic location data from the external device and implement geographic location specific functionality based on the geographic location data received from the external device.

Treatment of cardiac tissue with pulsed electric fields

System for protecting electronic components from high power noise induced by high voltage pulses

複合発生器用の回路トポロジ

用于执行磁共振断层扫描和射频消融的混合系统及其运行方法

本发明涉及一种用于对患者执行磁共振断层扫描(MRT)和射频消融的混合系统，所述混合系统具有以下特征：a)所述混合系统具有磁共振断层扫描系统，在所述磁共振断层扫描系统中可以生成用于执行磁共振断层扫描的MRT高频信号并且可在所述磁共振断层扫描系统的输出端子处提供，b)所述混合系统具有至少一个用于执行射频消融的消融电极，c)所述至少一个消融电极与所述磁共振断层扫描系统的输出端子耦合，使得可借助于所述MRT高频信号经由所述至少一个消融电极执行射频消融。本发明还涉及一种用于运行这种混合系统的方法。

Adjusting phases of multiphase ablation generator to detect contact

A radio frequency (RF) ablation system is disclosed including signal generator circuitry and control circuitry. The signal generator circuitry is configured to generate a plurality of RF ablation current signals each having a respective phase and a respective amplitude. The control circuitry is configured to reduce crosstalk between a first RF ablation signal of the plurality of RF ablation current signals and a second RF ablation signal of the plurality of RF ablation current signals by adjusting the respective phase of the first RF ablation signal in relation to the respective phase of the second RF ablation signal such that the respective phase of the first RF ablation signal is different than the respective phase of the second RF ablation signal.

Methods for operating generator for digitally generating electrical signal waveforms and surgical instruments

Disclosed is a method of generating electrical signal waveforms by a generator. The generator includes a processor and a memory in communication with the processor. The memory defines a first and second table. The processor retrieves information from the first table defined in the memory, where the information is associated with a first wave shape of a first electrical signal waveform for performing a surgical procedure. The processor retrieves information from the second table defined in the memory, where the information is associated with a second wave shape of a second electrical signal waveform for performing a surgical procedure. The processor combines the first and second wave shapes to create a combined wave shape of an electrical signal waveform for performing a surgical procedure and the combined wave shape electrical signal waveform for performing a surgical procedure is delivered to a surgical instrument.

Elektrochirurgisches instrument

Modular surgical energy system with module positional awareness sensing with voltage detection

A modular surgical system is disclosed. The modular surgical system comprises a header module, a first surgical module, a second surgical module, and a module identification circuit. The second surgical module is arrangeable in a stack configuration with the header module and the first surgical module. The module identification circuit is configured to cause a pre-determined current to be transmitted to the first surgical module through the second surgical module in the stack configuration, detect a first voltage indicative of a first position of the first surgical module in the stack configuration, and detect a second voltage indicative of a second position of the second surgical module in the stack configuration. The second voltage is different than the first voltage.

Smart return pad sensing through modulation of near field communication and contact quality monitoring signals

Aspects of the present disclosure are presented for systems and methods for identifying characteristics of a return pad in a monopolar electrosurgical system using contact quality monitoring (CQM) and near field communication (NFC) signals. In some aspects, resistance or impedance materials are sensed that may help identify what kind of return pad is being used, including what is the structure of the pad. In some aspects, NFC signals are used to identify characteristics of the return pad. In some aspects, the grounding or return pad may include two separate materials that form an interconnecting or interwoven mesh and both act as non-active electrodes when both contact the patient. A non-zero impedance may separate conductive lines connecting the two separate materials that may be analyzed to obtain a defining signature about that is linked to structural characteristics about the return pad.

Systems, apparatuses, and methods for protecting electronic components from high power noise induced by high voltage pulses

Systems, devices, and methods for electroporation ablation therapy are disclosed, with a protection device for isolating electronic circuitry, devices, and/or other components from a set of electrodes during a cardiac ablation procedure. A system can include a first set of electrodes disposable near cardiac tissue of a heart and a second set of electrodes disposable in contact with patient anatomy. The system can further include a signal generator configured to generate a pulse waveform, where the signal generator coupled to the first set of electrodes and configured to repeatedly deliver the pulse waveform to the first set of electrodes. The system can further include a protection device configured to selectively couple and decouple an electronic device to the second set of electrodes.

積み重ねられたエネルギーモジュールを接続するバックプレーンコネクタ設計

Robotic surgical system with safety and cooperative sensing control

A system for controlling a robotic end-effector is disclosed. The system includes a robotic arm, a surgical tool including an end-effector with articulatable arm and a clamp jaw. A tool driver is coupled to the surgical tool and a motor is coupled to the tool driver and is configured to drive the surgical tool. A sensor is configured to sense external forces applied to the end-effector. A central control circuit is configured to control the tool driver. The central control circuit is configured to receive a sensed parameter from the sensor, receive a sensed motor current (I) from the motor, and control the tool driver based on the sensed parameter and the motor current (I).

Электрохирургический инструмент и способ его изготовления

電気外科器具およびその製造方法

Nanosecond pulsed electric field system

Described herein are apparatuses (e.g., systems and devices) and methods of delivering nanosecond pulsed electrical fields (nsPEF). In particular, these apparatuses and methods may provide enhanced safety and robust operation over even very short (e.g., nanosecond and sub-nanosecond pulses) and high voltage pulsing; these benefits may be accomplished by multi-functional isolation of various subsystems and components of the apparatus, even including the low-voltage, control and command portions of the apparatus with extremely low capacitance, high voltage isolation.

Surgical modular energy system with footer module

A modular surgical system for use in a surgical procedure to treat tissue is disclosed. The modular surgical system includes a footer module including a power supply, a first surgical module configured to be stacked on top of the footer module, and a second surgical module configured to be stacked on top of the first surgical module. The first surgical module is detachably couplable to the footer module to receive power from the power supply of the footer module to generate a first therapeutic energy for delivery to the tissue. The second surgical module is detachably couplable to the first surgical module to receive power from the power supply of the footer module to generate a second therapeutic energy for delivery to the tissue.