181 results about "ELECTROSURGICAL DEVICE" patented technology

An electrosurgical device is disclosed for creating a channel through a region of tissue within a patient's body using radiofrequency (RF) energy. The electrosurgical device is configured to have an outer diameter that is smaller than conventional RF wires. The electrosurgical device further includes an elongated active electrode tip, which provides enhances visualization capabilities. The low-profile electrosurgical device is capable of traversing narrow blood vessels, such as those in the peripheral vasculature. An electrically insulative thermal shield is disposed between the active electrode tip and an insulated proximal region. A rigidity component and a reinforcement structure are disposed proximal to the thermal shield. The components being formed on a core wire having reduced diameter distal region.

A probe for an electrosurgical device for treating tissue, the probe optionally including any one or combination of: an elongated shaft having a. proximal end, a distal end, and a longitudinal axis; a first electrode selectively extending from the distal end of the shaft; a second electrode extending from the distal end of the shaft, wherein the second electrode is spaced, from the first electrode; and an apron positioned at the distal end, wherein the apron is positioned between the first electrode and the tissue, and wherein the apron is positioned between the second electrode and the tissue.

An electrosurgical device comprises a sheath, an electrode extending from the sheath, the electrode comprising a cross-sectional profile having a multi-apical cross-sectional shape, an insulator disk positioned over the electrode distally of the sheath, and an actuator connected to the insulator disk to move the insulator disk along the electrode. A method for performing a surgical procedure on tissue comprising inserting an insertion sheath into anatomy to position an electrode proximate to target tissue, adjusting an insulator disk connected to the electrode to adjust a distance between a distal-most face of the electrode and the insulator disk, and energizing the electrode to cut the target tissue.

The utility model discloses high-frequency electrotome equipment capable of quickly replacing a power supply, which comprises a power supply assembly arranged on a high-frequency electrotome equipment body, the power supply assembly comprises a positioning frame and a power supply, the positioning frame is used for positioning the position of a power supply male plug when being fixedly arranged on the high-frequency electrotome equipment body, and the power supply male plug is fixedly arranged on the high-frequency electrotome equipment body; and when the power supply is mounted in the positioning frame, the female plug on the power supply is electrically connected with the male plug. According to the high-frequency electrotome equipment capable of rapidly replacing the power supply, the power supply and the electrotome equipment body are independently designed, the power supply can be rapidly replaced, and the maintenance time and the maintenance cost are reduced.

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 electrosurgical device comprising a pair of opposing jaws including a first jaw and a second jaw, the first and second jaws configured to move between an open position and a tissue clamping position, each of the first and second jaws comprising an electrically conductive core member and an electrically conductive support member, the core member and the support member being separated proximally from the core member by a gap, with an electrically insulative material disposed in the gap such that the support member is substantially electrically isolated from the core member, and a pin, wherein the first and second jaw core members are pivotally coupled to the pin about which the first and second jaws rotate to move between the open position and the tissue clamping position.

The present disclosure relates to a surgical system comprising: a control circuit; and an output circuit coupled to the control circuit and configured to deliver energy to an output terminal for delivery to a patient, the output terminal configured to be coupled to an electrosurgical apparatus having two jaws with corresponding electrodes, wherein the control circuit is configured to: deliver a first therapeutic electrosurgical energy pulse to biological tissue in electrical communication with the two electrodes of the electrosurgical apparatus, wherein the first therapeutic electrosurgical energy pulse is followed by a first dwell time; determine an amount of energy delivered to the jaws during the first therapeutic electrosurgical energy pulse; calculate a second dwell time based on the determined amount of energy delivered during the first therapeutic electrosurgical energy pulse, wherein the second dwell time is less than the first dwell time; and deliver a second therapeutic electrosurgical energy to the biological tissue.

The invention relates to the technical field of medical equipment, in particular to intelligent tissue induction electrosurgical equipment and an energy output control system thereof, comprising an energy input module, a control module, an energy output module and a user interface module; compared with the prior art which mainly depends on a single control algorithm, such as a PID (Proportion Integration Differentiation) control algorithm, so that the control is not flexible and accurate enough in some complex operation scenes, the scheme adopts three groups of calculation modules including the PID control algorithm, the fuzzy control algorithm and the neural network control algorithm, and a result synthesis module is combined to carry out comprehensive judgment; according to the scheme, the adaptability and accuracy of the control algorithm module are remarkably improved, the calculation result error and inaccuracy caused by algorithm defects and insufficient data accuracy are avoided, better energy output parameter control can be provided under different operation conditions, and the intelligent level and the operation effect of an operation are effectively improved.

Bipolar electrosurgical devices and methods of use for cutting tissue and extracting tissue cores for biopsy and other purposes.

To provide a surgical system causing a result effective to biological tissues.SOLUTION: An apparatus and associated method relate to controlling electrical power of an electrotherapeutic signal that is provided to a biological tissue engaged by an electrosurgical instrument during a medical procedure. Electrical power, a product of a voltage difference across and an electrical current conducted by the engaged biological tissue, is controlled according to a therapeutic schedule. The electrotherapeutic schedule can be reduced or terminated in response to a termination criterion being met. In some examples, the termination criterion is a current characteristic, such as a decrease in current conducted by the engaged biological tissue. In some examples, the termination criterion is a biological tissue resistance characteristic, such as an increase in the biological tissue resistance that exceeds a predetermined delta resistance value.SELECTED DRAWING: Figure 1

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.

The present invention relates to a two-stage electrosurgical device for vessel closure. A forceps includes an end effector assembly having a first jaw having a tissue sealing surface and an electrode on the sealing surface and a second jaw having a tissue sealing surface and an electrode on the sealing surface. The first jaw and the second jaw move between an open position and a closed position. The sealing surface of at least one of the first jaw and the second jaw has a flexible inner section and a rigid outer section.

A forceps includes an end effector assembly with a first jaw having a tissue sealing surface and an electrode on the sealing surface, and a second jaw having a tissue sealing surface and an electrode on the sealing surface. The first jaw and the second jaw move between an open position and a closed position. The sealing surface of at least one of the first jaw and the second jaw has a flexible medial section and rigid lateral sections.

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.

1. The name of the design product: ligature speed high-frequency blood vessel closure cutting tool head (AH-163XP-S). 2. The use of the design product: the design product is a high-frequency electrosurgical equipment, mainly used for cutting and blood vessel closure operation of biological tissue. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view. 5. The left view has been embodied in the left view enlarged view, and the right view has been embodied in the right view enlarged view.

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.

In an example, an electrosurgical device includes a housing defining an interior bore, a shaft coupled to the housing, and an electrosurgical electrode coupled to the shaft. The shaft extends distally from the interior bore of the housing. The shaft is rotationally fixed relative to the housing. The shaft includes a smoke evacuation channel extending from a proximal end of the shaft to a distal end of the shaft. A distal portion of the electrosurgical electrode extends distally from the shaft, and wherein the electrosurgical electrode is rotatable relative to the housing and the shaft.

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).

An end effector of an electrosurgical device may include a discharge port in communication with a first fluid path, an aspiration port in communication with a second fluid path, a first and second electrode, and a diverter in mechanical communication with the two electrodes. The diverter may receive, on its surface, a fluid emitted by the discharge port, and maintain a contact of the fluid with the first and second electrodes. The diverter may be further configured to prevent an aspiration, by the aspiration port, of the fluid on its surface. An electrosurgical device may include a source port in communication with a first fluid path, an evacuation port in communication with a second fluid path, a first and second electrode, and a housing. The device may include a shaft extending distally from the housing and the end effector as described above.

Electrosurgical instrument (1) which a handle (10) having a longitudinal axis generally defining a front and a rear direction, and an elongated shaft (12) extending from the front end of the handle, an end effector (14) arranged at the distal end of the elongated shaft (12), the end effector (14) having at least one active electrode, a first wiring (1704) extending along the elongated shaft (12) from the active electrode into the handle (10); and a second wiring (1910) extending within the handle (10) and provided for connection to an electrosurgical generator; a rotatable shaft support member adapted to allow the elongated shaft (12) to pass from the interior of the handle (10) to the exterior thereof and to rotate with the shaft (12) while being rotated relative to the handle (10), the rotatable shaft support member having a proximal portion disposed within the interior of the handle (10) and a distal portion projecting from the end of the handle (10) distal to the user, the elongated shaft (12) projecting from the distal portion, wherein the handle (10) comprises a first compartment (1900) within which ends of the first and second wirings (1704, 1910) are received, wherein a first electrical terminal (1904) is arranged within the first compartment (1900) and is electrically connected to the ends of the first and second wirings (1704, 1910), wherein the first wiring (1704) extends from the active electrode along the interior of the elongated shaft (12) through the distal portion of the rotatable shaft support member into the proximal portion thereof, the proximal portion having an opening in the side wall thereof, the first wiring (1704) extending through the opening and then wrapping around the outer surface of the proximal portion by at least 270° before extending further into the handle (10).

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 comprises an electrically conductive elongate member for traversing body vasculature defining a hollow lumen with one or more apertures at or near its distal end, wherein electrical energy can flow through the wall of the elongate member; and an energy delivery device in electrical communication with the elongate member is located distal to the end of the elongate member. The energy delivery device includes an electrode for delivering energy. Methods of using the electrosurgical device include cutting through occlusions and creating transseptal punctures.

Bipolar electrosurgical devices and methods of use for cutting tissue, for example, in endoscopic urology and gynecology procedures. The electrosurgical device can comprise a handle and a small diameter, elongated shaft adapted for introduction through a working channel of an endoscope. The working end of the device has a form of loop electrode that is extendable outward from the shaft, a selected dimension for cutting tissue at a selected depth.

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.

An electrosurgical device having a tubular outer shaft and an inner shaft is disclosed. The tubular outer shaft includes an axis and a distal end region. The distal end region includes a distal-most tip and a cutting edge defining a window in the outer shaft proximal along the axis to the distal-most tip. The inner shaft inner shaft coaxially maintained within the outer shaft such that the inner shaft is movable about the axis with respect to the outer shaft and wherein a portion of the inner shaft is exposed in the window of the outer shaft. A first electrode is disposed on the outer shaft in a region proximal along the axis to the window, and a second electrode is electrically isolated from the first electrode and disposed on the inner shaft. The second electrode is exposed in the window of the outer shaft.

An electrosurgical device including an elongated body extending from a proximal portion to a distal portion and defining an internal passageway configured to convey tissue from the distal portion to the proximal portion, and a coring electrode positioned at the distal portion of the elongated body, where the coring electrode is at an opening to the internal passageway, and where the coring electrode is configured to deliver electromagnetic energy to adjacent tissue to cut a volume of the tissue as the tissue is conveyed into the internal passageway.