98 results about "ELECTROSURGICAL DEVICE" patented technology

The invention belongs to the technical field of medical equipment, and provides a bipolar electrotome control method and device, electrosurgical equipment and a storage medium, and the method comprises the steps: obtaining an output voltage, an output current and a tissue temperature; determining a feature vector based on the output voltage, the output current and the tissue temperature; inputting a plurality of feature vector values in the feature vectors into a trained full-connection neural network to obtain a closure degree predicted value, a carbonization risk predicted value and a quality score predicted value; determining a dynamic output power based on the closure degree predicted value, the carbonization risk predicted value, a feature vector and a basic output power; based on the dynamic output power and a preset condition, determining a safe output power through a safe output power calculation formula; controlling the closing action of the bipolar electrotome based on the closing degree predicted value, the safe output power and the closing quality score value; the efficiency of controlling the bipolar electrotome to perform the closing action is improved, the problem of excessive carbonization of tissues is reduced, and the operation safety is greatly improved.

An anesthetic equipment storage and waste air management module configured to housing electronic and electromechanical surgical equipment including a system to measure and record administration of one or more IV medications or fluids for IV administration. The module can include a housing having a lower section and a tower-like upper section, wherein the lower section is configured to house unrelated waste heat-producing electronic and electromechanical surgical equipment. The module can also include a cowling that substantially confines waste heat generated by the unrelated waste heat-producing electronic and electromechanical surgical equipment, and can include a system for measuring and recording the administration of the one or more IV medications and fluids.

An electrosurgical unit configured to regulate a RF input signal applied to an electrosurgical device, the electrosurgical unit including a PWM circuit to produce a DC voltage responsive to a control signal; an RF waveform generator configured to generate an RF waveform based at least in part on the DC voltage; a transformer configured to transform the RF waveform to the RF input signal in a forward direction across the isolation barrier and transform a leakage current to a feedback current in a reverse direction across the isolation barrier; and a control circuit configured to generate the control signal based at least in part on the first input signal and the second input signal, the control signal controlling a pulse width modulation of the PWM circuit to produce the RF input signal.

The utility model relates to the technical field of electric ion knives, and discloses an electric ion knife which comprises a main body assembly and a manual control knife pen, and a main machine is arranged on one side of the manual control knife pen. The adjusting assembly is located on one side of the main machine and comprises an adjusting part, the adjusting part comprises a fixing block fixed to the main machine, a fixing shaft is fixed to the fixing block, and a rotating plate is rotationally connected to the fixing shaft. The beneficial effects of the utility model are that the two sides of the host are provided with the rotatable rotating plates, an operator can flexibly adjust the rotating angles of the rotating plates relative to the host according to the actual height of a desktop and self observation requirements, one end of the host is supported by the rotating plates, and the host is in an inclined state, so that the angle of a host parameter display screen is effectively improved; meanwhile, the two rotating plates are connected through the connecting rod, when the position of the main machine needs to be transferred, the connecting rod and the two rotating plates form a handle structure convenient to hold, and therefore the electric ion knife main machine can be conveniently carried.

The present invention relates to a novel technique by which the length of an electrosurgical unit blade coming into direct contact with the skin of a patient can be easily adjusted, and is a technique related to a locking member enabling the length of a blade to be adjusted. Specifically, the locking member of the present invention enables the length of a blade to be adjusted using the principle of a lever.

The invention discloses a clamp head mechanism and a bipolar electric treatment device. The bipolar electric treatment device comprises the clamp head mechanism (10), a conductive traction part (30), an electric connection part and an operation part, the clamp head mechanism (10) comprises a clamp cup assembly (1) and a clamp head assembly (2), wherein the clamp cup assembly (1) comprises a first clamp cup (11) and a second clamp cup (12) which are oppositely arranged; the clamp cup seat (2) is configured to support the clamp cup assembly (1); the insulation supporting piece (3) is arranged between the first clamp cup (11) and the second clamp cup (12), and when the first clamp cup (11) and the second clamp cup (12) execute closing operation, the insulation supporting piece (3) separates the first clamp cup (11) from the second clamp cup (12). Wherein, on the same projection plane, the projection part of the insulating support member (3) along the first direction covers the projection of the first clamp cup (11) and / or the second clamp cup (12) along the first direction, and the first direction is perpendicular to the short axis direction and the long axis direction of the first clamp cup (11) and / or the second clamp cup (12).

The useful solution refers to a handheld plasma device used in medicine, particularly in ENT surgery, allowing for flexible performance of both palatine tonsillectomy (tonsillectomy) and / or adenoidectomy (adenoidectomy) on the same device. The device includes a connector for an external plasma source, a high-frequency conductive cable with multi-layer insulation, an insulated handle with integrated controls for cutting and hemostasis modes, and a continuous suction system via a hollow suction shaft. The suction shaft also contains electrode wires to transmit plasma energy to the operating head. A key feature of the solution is the modular design of the operating head, which includes a tonsillectomy and adenoidectomy head that can be directly detached and replaced on the same suction shaft, allowing for rapid function switching without replacing the entire device. This structure enhances surgical flexibility, reduces the number of instruments required, and optimizes operational efficiency.The tonsillectomy head features an angled cutting blade for increased tissue access, combined with a suction slot; while the adenoidectomy head has a semicircular structure with a metal wire and a flexible tube body, allowing for selective and efficient tissue removal. The device is designed for single use, is pre-sterilized, ensuring safety and convenience. This solution improves surgical efficiency, reduces operating costs, and enhances usability compared to traditional plasma or electrosurgical devices.

An electrosurgical device having a first shaft with a tang positioned along an intermediate portion to provide a pivot point that is offset from the longitudinal axis. A second shaft is pivotally coupled to the tang of the first shaft using a slot that accepts the tang of the first shaft. The second shaft is formed from three portions, each of which extends along a different longitudinal axis so that the jaws of the device will be closed when the second shaft abuts a stop of the first shaft.

Example electrosurgical devices and systems are disclosed. An example electrosurgical device includes a body, an electrosurgical electrode secured to the body, the electrosurgical electrode including a distal tip. The electrosurgical device also includes a shroud translatable relative to the electrosurgical electrode between a first position and a second position, a first magnetic component which is operably connected to the body, and a second magnetic component which is operably connected to the shroud, wherein the first and second magnetic components magnetically interact to releasably maintain the shroud in the first position.

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.

The present disclosure includes several electrosurgical devices and methods for sealing and transecting tissue, such as blood vessels and intestines, where tissue sealing is achieved by tissue fusion, which is performed by delivering energy to the tissue. The present disclosure also includes devices and methods for welding tissue. An exemplary device can include an elongated shaft carrying a first, fixed clamping component and a second, movable clamping component. These components can have first and second tissue-engaging surfaces and bipolar electrode devices on the tissue-engaging surfaces, respectively. Additionally, the described devices can include an energy supply source including a controller and at least one RF source for delivering electrical current, the bipolar electrode device operably connected to the controller.

The invention relates to an electrosurgical control unit for controlling the supply of electromagnetic energy to an electrosurgical instrument for sealing and / or cutting tissue from a generator unit for generating energy. The control unit includes a first output port configured to be electrically coupled to the first electrode; a second output port configured to be electrically coupled to a second electrode; a third output port configured to be electrically coupled to a third electrode; a first energy input port configured to be electrically coupled to a first electrical circuit; a second energy input port configured to be electrically coupled to a second electrical line; and a switching network configured to change a connection state.

Newness and distinctiveness is claimed in the features of shape and / or configuration of an electrosurgical device as illustrated in the accompanying representations.

A bipolar electrosurgical devices and methods of use for coagulation and ablation of tissue in a fluid-immersed working space is disclosed. The bipolar electrosurgical device can comprise a handle and an elongated shaft coupled to the handle. The bipolar electrosurgical device can further comprise a bipolar electrode arrangement and a return electrode. The bipolar electrode arrangement and the return electrode can be electrically insulated from one another. The bipolar electrosurgical device can further comprise an adjusting member carried by the elongated shaft. Movement of the adjusting member from a first position toward a second position can contemporaneously increase an effective surface area of the active electrode and decrease an effective surface area of the return electrode.

Bipolar electrosurgical devices and methods of use for cutting, ablating, or coagulating tissue, for example, in endoscopic gynecology procedures.

An electrosurgical apparatus is provided including a connector, a flexible shaft, and a distal tip. The connector may further be coupled to an electrosurgical generator and gas supply. The distal tip of the electrosurgical apparatus may be grasped by a grasping tool, such that the orientation and position of the distal tip relative to the shaft may be manipulated to achieve a plurality of positions. The electrosurgical apparatus provides electrosurgical energy and inert gas to an electrode within the distal tip of the electrosurgical apparatus to generate a plasma beam. In one aspect, the distal tip is configured as a sheath that is extendable and retractable over the electrode to expose the electrode when the sheath is in a first position and conceal or cover the electrode when the sheath is in a second position.

An electrosurgical system may include an electrosurgical generator configured to generate electrosurgical energy; and an electrosurgical instrument coupled to the electrosurgical generator. The electrosurgical instrument may include a motion and / or position sensor, where the electrosurgical generator is configured to control the electrosurgical energy based on a sensor signal from the sensor.

A tissue segmentation device, controller, and methods therefore are disclosed. The device has an active electrode, a return electrode, a mechanical force application mechanism, voltage and current sensors, and a controller. The controller has a processing component, configured to assign a circuit status to a circuit comprising the at least one electrode. IF (PF≈0) and ((Vrms / Irms)≥T), THEN the circuit status is “open”. IF (PF≈0) and ((Vrms / Irms)<T), THEN the circuit status is “short”. PF is a power factor of power applied to the electrosurgical device. T is a threshold value.

An electrosurgical instrument for delivering electromagnetic energy to biological tissue, the instrument comprising an active tip having an electrically conductive protective hull mounted on an underside thereof. The hull has a smoothly contoured convex undersurface, and is formed as a shaped piece of electrically conductive bio-compatible material having a low coefficient of friction with biological tissue (e.g. stainless steel) which has the dual function of (i) physically protecting tissue that lies underneath the active tip, and (ii) providing an electrical connection between a coaxial feed line and the active tip.

An electrosurgical system having an electrosurgical device, an accessory charging circuit, and an electrosurgical unit is disclosed. The electrosurgical device is operable in at least one of a monopolar mode and a bipolar mode. The electrosurgical unit electrically is coupled to the electrosurgical device and the accessory charging circuit. The electrosurgical unit provides one of a monopolar RF energy signal and a bipolar RF energy signal to the electrosurgical device corresponds with an activated mode and a bipolar signal to the accessory charging circuit.

An electrosurgical system includes an electrosurgical generator configured to output electrosurgical energy to an electrosurgical device for application to tissue. The electrosurgical generator is configured to determine a condition of contact between at least one electrode of the electrosurgical device and tissue or a surgical technique of using the electrosurgical device and to control the electrosurgical energy output by the electrosurgical generator based on the determined condition or surgical technique.

Nozzle for Electrosurgical Device

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.

The utility model provides a medical conductive connection structure and electrosurgical equipment, and relates to the technical field of medical instruments. The medical conductive connection structure comprises an energy access piece, a conductive rod and a conductive piece, a mounting hole is formed between the two sides of the energy access piece, and the conducting rod is arranged in the mounting hole in a penetrating manner and can rotate relative to the energy access piece; elastic parts which are distributed in the circumferential direction of the mounting hole and extend in the axial direction of the mounting hole are arranged in the mounting hole, the elastic parts are used for deforming in the radial direction of the mounting hole to apply radial pressure to the conducting rod, and the conducting rod is electrically connected with the energy access piece through the elastic parts. According to the medical conductive connection structure, through the elastic parts which are distributed along the circumferential direction of the mounting hole and extend along the axial direction of the mounting hole, when the energy access piece and the conductive rod relatively rotate, the energy access piece can be stably supported by utilizing radial deformation of the elastic parts, and even if the energy access piece is subjected to torsion, the energy access piece cannot be damaged. And the contact stability and the electric connection reliability between the conducting rod and the energy access piece can be effectively ensured.

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.

The invention discloses a bipolar electrotome tissue closure judgment method and system, and belongs to the technical field of high-frequency surgical instruments.The method comprises the steps that firstly, voltage and current signals and the temperature of an electrode working end are collected, instantaneous parameters are calculated through Hilbert transformation, and temperature compensation is conducted; identifying and grading three types of interference caused by saline water scouring, and adaptively selecting moving average, wavelet threshold or Kalman filtering according to grades; then extracting a multi-dimensional feature fusion interference level construction vector, and inputting the vector into an extreme gradient lifting model to obtain a tissue closing probability; and finally comparing with a dynamic threshold value, and controlling the energy output of the electrotome. The matching system comprises a signal acquisition module, a signal processing module, an intelligent decision-making module and an energy control module. The problems of signal distortion and high misjudgment rate under flushing of normal saline are effectively solved, the accuracy and anti-interference performance of tissue closure judgment are improved, and safety and reliability of an operation are guaranteed.

An electrode for the electrosurgical end effector of a surgical instrument is manufactured by laser etching or roughening an area of the electrode's surface. This provides an area to which an insulating stop may be attached. Beneficially, the roughened area provides a good bond between the insulating stop and the electrode, allowing a greater potential use-life for the surgical instrument. Compared to conventional methods, using a laser reduces costs, increases manufacturing flexibility and allows precise control over the creation of the roughened area.

Suction Tubing for Electrosurgical Device