23 results about "Electrosurgery" patented technology

The invention discloses a double-rod current phase difference energy control method and system, and relates to the technical field of electrosurgery, and the method comprises the steps: collecting a tissue impedance signal in real time, carrying out the anti-interference processing of an improved conditioning circuit, and calculating the impedance change rate. And when the change rate exceeds a threshold value, acquiring basic information of the suborgan tissues to carry out phase difference matching so as to obtain an optimal phase difference, and abandoning a single fixed phase difference output mode in the prior art. The phase difference is dynamically adjusted according to the tissue impedance signals collected in real time and the basic information of the suborgan tissue, complex changes of tissue characteristics are accurately adapted, and the problem that phase difference decision-making precision is insufficient is effectively solved. Meanwhile, the thermal injury risk can be remarkably reduced through accurate phase difference control, the operation safety is improved, the operation efficiency is optimized, and more reliable technical support is provided for clinical operation.

The present application is a variable stiffness push knife for bipolar forceps in electrosurgery, which is used in the structure of the forceps head, the main body of which is a blade, the blade is divided into several different areas according to its running direction, and the division standard of the areas is that the hardness between adjacent areas is different. The beneficial effects of the present application are: 1. By dividing the blade into areas and adjusting the divided areas, the hardness of different areas is different, the smoothness of the variable stiffness blade in the operation of the curved (or S-shaped) sliding groove is improved, and the closing force required for the push blade to cut the tissue is reduced; 2. The main way to improve the blade is to reduce the material of the blade, so as to save materials, and the overall weight of the blade is reduced.

An electrode assembly with an electrosurgery blade having argon beam capabilities. The electrode assembly includes an electrosurgery blade, which may be monopolar, bipolar, or bipolar with monopolar capability, and a non-conductive housing for providing an ionized argon gas.

A system and method for operating a touchscreen of a gas-enhanced electrosurgical generator. The generator has a display module and a primary controller. The display module has a plurality of touch sensors, a PCB power relay and a CPU. The method comprises selecting electrosurgery settings through a graphical user interface, activating through an input device plasma delivery from the gas-enhanced electrosurgical generator, disabling the plurality of touch sensors through software running on the primary controller, disconnecting power from the plurality of touch sensors with the PCB power relay in response to the disabling of the plurality of touch sensors, applying power to an electrode in the plasma accessory connected to the gas-enhanced electrosurgical generator, and de-activating through an input device plasma delivery from the gas-enhanced electrosurgical generator to the plasma accessory connected to the gas-enhanced electrosurgical generator.

An electrosurgical device includes a distal portion defining at least one irrigation port configured to distally deliver a surgical fluid to a target treatment site; the distal portion including a first electrode extending distally from an elongated shaft, wherein the first electrode is configured to provide a delivered electrical current to the target treatment site, and wherein the first electrode defines a first aspiration port; and a second electrode extending distally from the elongated shaft, wherein the second electrode is configured to receive a return electrical current from the target treatment site, and wherein the second electrode defines a second aspiration port; wherein the electrosurgical device is configured to proximally aspirate the surgical fluid from the target treatment site via the first and second aspiration ports.

Provided herein are devices, systems, and methods for delivering energy to tissue for a wide variety of applications, including medical procedures (e.g., tissue ablation, resection, cautery, vascular thrombosis, treatment of cardiac arrhythmias and dysrhythmias, electrosurgery, tissue harvest, etc.). In certain embodiments, devices, systems, and methods are provided for delivering energy to difficult to access tissue regions (e.g. central or peripheral lung tissues), and / or reducing the amount of undesired heat given off during energy delivery.

The invention discloses a radio frequency electrosurgical system having a radio frequency electrosurgical generator having a user interface and an output to transmit radio frequency energy to a radio frequency cutting instrument. The radiofrequency electrosurgical generator is equipped with software designed to measure impedance values when transmitting voltage pulses to the cutting instrument. When the measured impedance value exceeds a predetermined impedance threshold, the software is programmed to adjust a voltage magnitude of each voltage pulse to partially or fully reduce that magnitude. This innovative system ensures optimal performance and safety during electrosurgical procedures by dynamically adjusting the voltage output based on real-time impedance measurements.

An electrosurgical device vision system, comprising at least one of one or more fiber-optic cables and / or digital image sensor positioned to capture a corresponding one or more views of the surgical site in proximity to a distal tip portion of an electrosurgical device, and a processor configured to utilize multiple images captured by the vision system to construct a composite image with at least one of an improved resolution, clarity, dynamic range, and / or size.

A laparoscopic ultrapolar electrosurgery device having both active and return electrodes that reduces potential injury to patients during laparoscopic surgery by eliminating capacitive coupling when employing an electrosurgical handpiece device for cutting and / or coagulating tissue.

1. The name of the design product: setting adjustment graphical user interface for electronic device. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the graphical user interface. 4. The picture or photo that best indicates the design points: front view. 5. The use of the graphical user interface: the graphical user interface of the design is used to show setting adjustment information. 6. The change state description of the graphical user interface: the interface shown in the front view is a setting adjustment information display interface. In the interface shown in the front view, "Ultrasonic Scalpel", "Electrosurgery", "Vessel Sealer" and "Settings" buttons are displayed, and by clicking these buttons, the interface can jump.

Methods and systems for treating biological tissue using high frequency electrical energy includes a cycle comprising a desiccating phase, a cutting phase and a coagulating phase. During the desiccating phase of the cycle, a first high frequency electrical energy applied to the tissue for desiccating the tissue is modulated. A first parameter associated with application of the first high frequency electrical energy to the tissue for desiccating the tissue is estimated. During the cutting phase, cutting energy applied to the tissue for cutting the tissue is then modulated based on the first parameter. During the coagulating phase, a second high frequency electrical energy applied to the tissue for coagulating the cut tissue is modulated.

Various embodiments disclosed relate to a device and methods for electrosurgery, where the device end effector includes an anti-smoke layer. The present disclosure includes a device having first and second electrodes that include the anti-smoke layer, which can be a hydrophobic layer to aid in reduction of smoke production during operation.

A laparoscopic ultrapolar electrosurgery device having both active and return electrodes that reduces potential injury to patients during laparoscopic surgery by eliminating capacitive coupling when employing an electrosurgical handpiece device for cutting and / or coagulating tissue.

There is a need in the art for synthetic tissue models that not only simulate the tactile properties of tissues and organs but further withstand and respond in an analogous fashion to the application of energy, particularly heat and electrical energy such as accompany electrosurgery. Described herein are materials and methods useful in the construction of synthetic tissue models, particularly conductive synthetic tissue materials made from a state-sensitive, cross-linked polymer composition, that have utility in connection with thermal treatment training and simulation exercises, and moreover provide a current controlled treatment field profile analogous to that of existing tissue to that of the present invention. To that end, the simulated tissues and anatomical models of the present invention are fabricated from a hydrogel composition that undergoes partial or complete transition from its native state prior to treatment (e.g., thermal or non-thermal treatment) to one or more other states when exposed to energy, including but not limited to the following state transitions: discoloration, denaturation, coagulation, carbonization, vaporization, melting or other energy-induced state transition. These transitions facilitate the generating and detecting of a lifelike treatment field profile.

Provided herein are devices, systems, and methods for delivering energy to tissue for a wide variety of applications, including medical procedures (e.g., tissue ablation, resection, cautery, vascular thrombosis, treatment of cardiac arrhythmias and dysrhythmias, electrosurgery, tissue harvest, etc.). In certain embodiments, devices, systems, and methods are provided for delivering energy to difficult to access tissue regions (e.g. central or peripheral lung tissues), and / or reducing the amount of undesired heat given off during energy delivery.

Methods and systems for treating biological tissue using high frequency electrical energy includes a cycle comprising a desiccating phase, a cutting phase and a coagulating phase. During the dessicating phase of the cycle, a first high frequency electrical energy applied to the tissue for desiccating the tissue is modulated. A first parameter associated with application of the first high frequency electrical energy to the tissue for desiccating the tissue is estimated. During the cutting phase, cutting energy applied to the tissue for cutting the tissue is then modulated based on the first parameter. During the coagulating phase, a second high frequency electrical energy applied to the tissue for coagulating the cut tissue is modulated.

Electrosurgery blades including electrosurgery blade assemblies having argon beam capability. The electrosurgery blade includes a non-conductive planar member having opposite planar sides and a sharp cutting tip and a conductive layer located on one or both of the opposing planar sides of the non-conductive layer. In embodiments of the electrosurgery blade assemblies having argon beam capability, the electrosurgery blade assembly includes a non-conductive tube member having a hollow tubular shaped opening and a slot where at least a portion of the conductive layer of the electrosurgery blade is positioned within the slot of the non-conductive tube member.

The application discloses an end effector and an electrosurgical instrument for electrosurgery, and the end effector comprises at least one movable clamp, the movable clamp comprises a sealing electrode and a connecting piece, the sealing electrode is fixedly connected with the connecting piece, the connecting piece is pivotally connected with a base through a pivot shaft, the connecting piece is provided with a cam groove, the base is provided with a waist-shaped groove, and one transmission pin passes through the cam groove and the waist-shaped groove at the same time; when the transmission pin moves along the direction of the waist-shaped groove, the movable clamp is driven to rotate around the pivot shaft; the connecting piece is configured as an insulating component; and the sealing electrode is separated from the base through the connecting piece so that there is no contact point between the sealing electrode and the base. According to the application, the movable clamp is arranged in a split structure, i.e., in a two-part structure; the insulating structure connects the conductive structure with other metal structures of a wrist mechanism such as the base and can isolate the conductive structure from the metal structures, maintains a certain physical distance and has no contact point, so that the installation and insulation of the sealing electrode are realized.

An electrosurgical generator and associated methods determine a real part of the impedance of treated tissue. The electrosurgical generator includes an output stage, a plurality of sensors, and a controller that controls the output stage. The controller includes a signal processor that determines an RMS voltage, an RMS current, an average power, and a real part of the impedance of the treated tissue based on measured voltage and current by using a plurality of averaging filters. The controller controls the output stage to generate electrosurgical energy based on at least the determined real part of the impedance.

An all-in-one body contouring system is provided for performing infiltration, ultrasound-assisted liposuction, aspiration, powered liposuction, skin tightening, fat transfer, and electrosurgery within a single integrated platform. The system includes modular subsystems coordinated by at least one central controller and user interface. An aspiration subsystem employs dual pumps operable in independent or series modes to optimize vacuum performance for single or multi-user operation. A powered liposuction subsystem includes a multi-button handpiece allowing independent activation of infiltration, aspiration, or reciprocation for improved procedural flexibility. Multi-user synchronization software enables two surgeons to operate separate subsystems simultaneously with real-time coordination of shared resources. Graphical user interfaces display live system parameters, procedural sequencing, and safety alerts. The system's control architecture dynamically manages mode switching, power regulation, and vacuum distribution to enhance procedural efficiency, safety, and ergonomics in aesthetic and reconstructive body contouring procedures.

This application relates to independent control of dual RF electrosurgery. More specifically, an electrosurgical generator is disclosed that includes a first radio frequency source having a first power supply configured to output a first direct current waveform, a first radio frequency inverter coupled to the first power supply and configured to generate a monopolar radio frequency waveform from the first direct current waveform, and a first controller configured to control the first radio frequency inverter to output the monopolar radio frequency waveform. The generator also includes a second radio frequency source having a second power supply configured to output a second direct current waveform, a second radio frequency inverter coupled to the second power supply and configured to generate a bipolar radio frequency waveform concurrently with the generation of the monopolar radio frequency waveform, and a second controller configured to control the second radio frequency inverter to output the bipolar radio frequency waveform.

According to the electrode for the electrosurgical operation for treating trichiasis, a solid or hollow needle with the diameter of a needle head being 0.1-0.5 is adopted, the needle head is covered with an insulating coating, a distance is formed between the upper edge of the insulating coating and a needle point of the needle head, the thickness D of the insulating coating is 0.01-0.05 mm, the covering length L of the insulating coating outside the needle head is 1-2 mm, and the diameter of the insulating coating is 0.1-0.5 mm. The tail end of the needle head is connected with the front end of the conductor, and an insulating sleeve is wrapped outside the front end of the conductor. The novel electrode is characterized by an exposed active sharp tip portion of the fine needle, the portion thereof extending beyond the exposed tip being fully insulated by a thin electrically insulating coating. The portion of the needle adjacent the tip is made insulated to avoid overheating and to concentrate high frequency current at the needle tip. The electrosurgical operation using the needle electrode has the important advantage of concentrating the current causing the tissue damage at the required tissue, the damage to the surrounding tissue is minimal, the operation is relatively fast, the pain or trauma to a patient is small, and no influence is caused on the skin and the conjunctival tissue of the surrounding tissue after the operation.

Electrosurgery blades including electrosurgery blade assemblies having argon beam capability. The electrosurgery blade includes a non-conductive planar member having opposite planar sides and a sharp cutting tip and a conductive layer located on one or both of the opposing planar sides of the non-conductive layer. In embodiments of the electrosurgery blade assemblies having argon beam capability, the electrosurgery blade assembly includes a non-conductive tube member having a hollow tubular shaped opening and a slot where at least a portion of the conductive layer of the electrosurgery blade is positioned within the slot of the non-conductive tube member.