42 results about "Electrosurgery" patented technology

Prosthesis deployment devices and methods of a deploying a prosthesis are disclosed herein. In some embodiments, a prosthesis deployment device includes an elongate delivery catheter assembly and a housing assembly. The elongate delivery catheter assembly is configured for electrosurgery and also configured to retain and deploy a prosthesis from a distal region of the delivery catheter assembly. The distal region of the delivery catheter assembly includes a tip electrode and a distal marker configured to provide endoscopic visibility of the distal region during use and spaced from the tip electrode. The housing assembly operably coupled to the delivery catheter assembly and configured to connect to an electrosurgical power generator. The housing assembly comprises an actuator configured to displace a portion of the delivery catheter assembly to deploy the prosthesis, upon actuation.

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.

The present invention relates to comprehensive systems, devices 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, systems, devices, and methods are provided for treating a tissue region (e.g., a tumor) through application of energy.

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.

The present invention relates to comprehensive systems, devices 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, systems, devices, and methods are provided for delivering energy to difficult to access tissue regions (e.g. peripheral lung tissues), and / or reducing the amount of undesired heat given off during energy delivery.

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.

Systems, devices, and methods for identifying a target in vivo are disclosed. A target identification system for use in electrosurgery includes a probe, an optical splitter, and a spectroscopy system. The probe includes an optical pathway to pass a first optical signal to an anatomical target and at least a portion of a second optical signal from the anatomical target. The optical splitter includes a first port to direct the first optical signal to the optical pathway and to receive the at least a portion of the second optical signal from the optical pathway, a second port to receive the first optical signal, and a parabolic reflector to redirect the portion of the second optical signal. The spectroscopy system can identify a characteristic of the anatomical target based on the redirected at least a portion of the second optical signal.

The present invention relates to a circuit for identifying electrosurgical pen coagulation signals using a transformer, comprising: a first switch, a second switch, a transformer, and an oscillating circuit; one end of the first switch and the second switch are connected together; the other end of the first switch is connected to the other end of the second switch via a first identification resistor; one end of the first switch is connected to the other end of the first switch via a second identification resistor; the two ends of the primary coil of the transformer are respectively connected to one end of the first switch and the other end of the second switch; one end of the secondary coil of the transformer is grounded; and the output end of the oscillating circuit is connected to the input end of a first inverter. The circuit for identifying electrosurgical pen coagulation signals using a transformer provided by the present invention can effectively solve the problem of signal sampling under high withstand voltage and high isolation conditions. A set of circuits can be used to detect multiple signals, which can reduce circuit costs.

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.

An ultrapolar electrosurgery blade and an ultrapolar electrosurgery pencil. The ultrapolar electrosurgery blade has a non-conductive planar member with opposing planar sides, a cutting end, and an opposite non-cutting end, first active and return electrodes located on one opposing planar side, and second active and return electrodes located on the other opposing planar side.

The present invention relates to the technical field of plasma resectoscopes, and proposes a continuous cutting plasma resectoscope, which provides hardware support for the precision of surgery, improves the surgical effect as much as possible, reduces the fatigue of surgeons, reduces patient trauma, and improves safety under the premise of ensuring surgical safety. The resectoscope comprises an electrosurgeon body, a telescopic part, and a rotating ring. The electrosurgeon body comprises an outer sheath and an electrosurgery tube. The outer sheath is sleeved on the electrosurgery tube, and an electrosurgery arc is provided on the electrosurgery tube. The telescopic part is fixedly connected to the electrosurgery tube, and a rotating ring is fixedly sleeved on the telescopic part. The rotating ring is rotatably sleeved on the outer sheath. The outer sheath is provided with a rotating cutting component for driving the telescopic part to swing left and right. The rotating ring is rotatably sleeved on the electrosurgery tube, and a moving rod is fixedly connected to the rotating ring. A moving groove for moving the moving rod is opened on the outer sheath, and an automatic electrosurgery component for driving the moving rod to move is provided on the outer sheath.

An ultrapolar electrosurgery blade and an ultrapolar electrosurgery blade assembly and method for making same. The ultrapolar electrosurgery blade includes top and bottom thin elongated conductive members in vertical alignment and spaced apart from one another along their lengths where each of the top and bottom thin elongated conductive members includes opposing planar sides, a sharp cutting end, and an opposite non-cutting end, and a non-conductive coating or housing covering both opposing sides of the top and bottom thin elongated conductive members and the space located between them where the cutting ends of the elongated conductive members and their opposite non-cutting ends remain exposed. The ultrapolar electrosurgery blade assembly of the present invention having argon beam capability further includes a non-conductive tube member having a hollow tubular shaped opening with a slot where the slot is positioned over the top of the ultrapolar electrosurgery blade.

The utility model relates to the technical field of electrosurgery, in particular to an improved electrosurgery instrument which comprises an electrode patch, a plug, a wire and a clinging device, the plug is installed at one end of the wire, the electrode patch is installed at the other end of the wire, the clinging device is arranged on the surface of the electrode patch, and the clinging device comprises a containing frame. The storage frame is installed on the surface of the electrode patch, the surface of the storage frame is slidably connected with a sliding rod, the surface of the sliding rod is fixedly connected with an elastic band, and one end of the elastic band is fixedly connected with an insertion block. According to the surgical instrument, the clinging device is arranged, so that the surgical instrument is effectively clung to the body of a patient, when a worker uses the surgical instrument to treat and cure the patient, the clinging device is adjusted, the condition of poor contact when the worker uses the surgical instrument is avoided, the practicability of the surgical instrument is improved, and the auxiliary property of the surgical instrument is improved; the treatment effect of the surgical instrument is improved, and the situation that the surgical instrument is not attached in the using process is reduced.

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.

Method, device and treatment system for sealing living tissue using high frequency electrical energy provided to the living tissue by an end effector of a treatment instrument applies N cycles (N=natural number from 1 to 5, inclusive) of electrical energy to the living tissue by increasing, in each cycle, an amount of the high frequency electrical energy provided to the living tissue until the impedance of the living tissue increases to an impedance threshold value for that cycle, after which the amount of high frequency electrical energy is decreased to decrease the impedance of the living tissue by a predetermined value. The cycle repeats, with each subsequent cycle having an impedance threshold value greater than in the prior cycle, and the cycles stop when an N+1-th impedance reaches a impedance stop value. Initial values of impedance can be used to determine parameters of the cycles.

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.

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.

The invention belongs to the technical field of high-frequency electrotomes, and particularly relates to a high-frequency electrotome automatic blood coagulation and automatic output stopping circuit which thoroughly gets rid of dependence on external button control and does not need to depend on subjective operation of doctors to control start and stop of blood coagulation. According to the device, the tissue state can be sensed in real time through a built-in monitoring mechanism, the tissue resistance can be accurately recognized, the blood coagulation process is automatically adjusted according to the tissue resistance, accurate control over blood coagulation operation is achieved, unfavorable conditions such as tissue carbonization or insufficient blood coagulation are effectively avoided, and the safety and accuracy of blood coagulation operation are greatly improved. In addition, starting, stopping and process control of double-pole blood coagulation or single-pole blood coagulation can be carried out under the conditions of no pedal and the like, and the cost of accessories is reduced.

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.