14 results about "Bipolar radiofrequency" patented technology

The present invention relates to a high-intensity focused ultrasound and bipolar RF combined-output device having a suction function. The device comprises: a housing formed in a cylindrical shape and having a predetermined installation space therein, the housing including an installation body part coupled to the front end thereof; a high-intensity focused ultrasound (HIFU) output module installed in the housing to generate HIFU in front of the housing through a piezoelectric ceramic on the basis of an applied electric signal; and a bipolar RF output module installed in the housing to generate bipolar RF in front of the housing by using multiple electrodes forming at least one pair, to which an electric signal is applied. The installation body part comprises: a first body part having a cup-shaped suction groove recessed toward the rear thereof, the first body part being installed such that the front of the high-intensity focused ultrasound output module protrudes from the center of the front surface of the first body part; and a second body part extending from the outside of the first body part to have a ring-shaped installation surface, and installed such that the multiple electrodes of the bipolar RF output module are exposed toward the front, and are radially and uniformly arranged around the front end of the high-intensity focused ultrasound output module.

1. The name of the design product: disposable bipolar radio frequency plasma surgical electrode handle. 2. The use of the design product: used for cutting, ablation, coagulation and hemostasis of soft tissue in surgical operation. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The utility model relates to a bipolar radio frequency grinding cutter and a grinding device, in the using process, a power handle drives an inner cutter tube and a grinding piece to rotate around the axial direction relative to an outer cutter tube, and therefore the grinding piece can be used for grinding and cutting off focus area tissue. When bleeding occurs at an affected part, the main machine supplies power to the electrode tube and the outer knife tube through the conductive plug, so that the electrode tube is electrified to form a pole, the outer knife tube, the conductive part, the inner knife tube and the grinding piece are electrified to form another pole, and the two poles are conducted to form a loop when tissue is contacted. Therefore, electric coagulation hemostasis or electric coagulation cutting can be carried out on an affected part, hemostasis can be carried out on the affected part without additional other hemostasis instruments, operation is easy and convenient, and the operation duration is shortened.

This invention discloses a positionable bipolar radiofrequency ablation electrode, relating to the field of medical device technology. It includes a handheld end with an electrode needle at its bottom. A hollow screw is disposed within the inner cavity of the handheld end. A partition is rotatably connected to the surface of the hollow screw and fixedly connected to the inner wall of the handheld end. A threaded seat is threadedly connected to the bottom of the hollow screw. A hollow tube communicates with the bottom of the threaded seat and is fixedly connected to the electrode needle. A first driving component is disposed on one side of the threaded seat. A second driving component allows for flexible adjustment of the distance between the second electrode and the electrode needle, expanding the ablation range. The first driving component allows for flexible adjustment of the extension and retraction length of the electrode needle, adapting to lesions of different depths. Simultaneously, the adsorption component efficiently adsorbs accumulated fluid and gas generated during the ablation process, with the adsorption range expanding synchronously with the ablation range, ensuring that accumulated fluid and gas in different ablation areas are completely discharged, maintaining the stability of the local thermal field.

The application discloses a surgical electrode for an electromagnetic knife, which comprises a front handle, a rear handle and an electrode core. The front end of the front handle is provided with an electrode outlet. The front handle and the rear handle are connected in a circumferential rotating mode. The electrode core is arranged in the interiors of the front handle and the rear handle. The rear end of the electrode is fixed in the interior of the rear handle and connected with a cable. The front handle and the rear handle can move in an axial direction. The position of the electrode core is driven by the rear handle, so that the front end of the electrode core can extend out of the electrode outlet and accurately reach a surgical area. The application solves the technical problems that the head of the existing bipolar radiofrequency ablation electrode cannot be adjusted or the adjustment affects operation and the adjustment precision is low after the electrode enters a lesion area.

This utility model discloses a bipolar radiofrequency electrode for bone tumor surgery, which includes a cable assembly, a handle, a scalpel, and a scalpel head connected in sequence. The scalpel head includes a suction tube and an outer steel tube that is spaced and sleeved on the suction tube, with a water outlet channel formed between the suction tube and the outer steel tube. The scalpel head includes an insulating head fixed to the distal end of the outer steel tube. The insulating head is provided with a first strip electrode and a second strip electrode arranged side by side. The insulating head located at the first strip electrode and the second strip electrode has several suction holes, which are connected to the suction tube. Several water outlet holes connected to the water outlet channel are provided on both sides of the distal end of the outer steel tube. This solution uses radiofrequency electrodes to irrigate the incision after the resection of benign spinal tumors, which can accurately stop bleeding at soft tissue bleeding points, effectively reducing the amount of bleeding. Furthermore, by utilizing the circulating supply of physiological saline, the first strip electrode and the second strip electrode are effectively wrapped by physiological saline, thereby ensuring the plasma excitation efficiency.

This disclosure relates to various surgical systems, including modular electrosurgical and / or ultrasonic surgical systems. [Solution] A modular energy system for surgical procedures, comprising a generator module, a header module, and a display, wherein the generator module comprises a first mounting section for mounting a unipolar RF energy surgical device, a second mounting section for mounting a bipolar RF energy surgical device, and a third mounting section for mounting an ultrasonic energy surgical device, and the display comprises a first display unit that displays the setting status of the unipolar RF energy surgical device or a first setting screen for changing the settings, a second display unit that displays the setting status of the bipolar RF energy surgical device or a second setting screen for changing the settings, and a third display unit that displays the setting status of the ultrasonic energy surgical device or a third setting screen for changing the settings.

The invention discloses an insulating coating for a disposable bipolar radio frequency plasma surgical electrotome, and belongs to the technical field of medical instrument materials. The insulating coating is made of a polymer composite material with a special formula, and is uniformly and tightly attached to the surface of an electrode of a surgical electrotome through a specific coating process. The coating has an extremely low dielectric constant and a good insulating property, can effectively block leakage of radio frequency current, and ensures that the current only circulates in a target tissue area between the bipolar electrodes in an operation process, so that the risk of thermal damage to surrounding normal tissues is reduced. Meanwhile, the insulating coating has excellent wear resistance and corrosion resistance, can bear friction and corrosion of chemical reagents in surgical operation, can keep the integrity and insulating effect for a long time even in a complex surgical environment, and ensures stable work of the surgical electrotome. In addition, the surface of the coating is subjected to special treatment, so that the coating has certain lubricity, the surgical electrotome can smoothly move in tissues, and tissue adhesion is reduced. By means of the insulating coating, the safety and reliability of the disposable bipolar radio frequency plasma operation electrotome are remarkably improved, the service life of the disposable bipolar radio frequency plasma operation electrotome is remarkably prolonged, and more powerful support is provided for clinical operations.

The present invention relates to a method for the non-therapeutic cosmetic treatment of skin, the method comprising: a. Applying a cosmetic composition to a target area of skin, the cosmetic composition comprising a non-polymeric cosmetic active agent having a molecular weight in the range of 100 Da to 700 Da, b. Exposing the target area of skin to a series of current pulses, the frequency of the pulses ranges from 100 kHz to 100 MHz, and the current is supplied by a bipolar radiofrequency cosmetic device having at least one electrode and at least one counter electrode.

This invention discloses a steerable radiofrequency ablation and plasma ablation surgical forceps for laparoscopic surgery, relating to the field of medical device technology. It includes a proximal component for manipulation, a slender main body component that enters the body cavity, and a distal working component. The main body component includes a hollow sleeve, a pull rod slidably connected within the sleeve, and a gripping portion fixed to the outside of the sleeve. The segment of the sleeve near the gripping portion has an upper notch structure, at which a drive component for steering the working component is provided. By integrating a bipolar radiofrequency electrode and a localized liquid spray system on the same jaw structure, structural integration of both radiofrequency ablation and plasma ablation energy action modes is achieved. A unique sliding key joint structure decouples the axial sliding and circumferential rotation of the pull rod, allowing independent control of jaw opening and closing and working component steering without interference.

The application discloses a surgical electrode for an electromagnetic knife, which comprises a front handle, a rear handle and an electrode core. A front end of the front handle is provided with an electrode outlet which can move along the axial direction of the front handle. The front handle and the rear handle are connected in a circumferential rotating mode. The electrode core is arranged in the interior of the front handle and the rear handle. A rear end of the electrode core is fixed in the interior of the rear handle and connected with a cable. The position of the electrode outlet is adjusted so that the front end of the electrode core extends out of the electrode outlet and accurately reaches a surgical area. The application solves the technical problems that the head of the existing bipolar radio frequency ablation electrode cannot be adjusted or the adjustment affects operation and the adjustment precision is low after the electrode enters a lesion area.

The utility model relates to a bipolar radio frequency planing cutter and a planing device, in the using process, negative pressure suction is achieved through a suction channel, so that when an inner cutter tube rotates around the circumferential direction relative to an outer cutter tube, tissue in a focus area can be rotationally cut off through relative shearing of a first planing opening and a second planing opening. When bleeding occurs at the affected part, the main machine supplies power to the electrode tube and the outer knife tube through the conductive plug, and when the main machine makes contact with tissue, the electrode tube and the outer knife tube are electrically conducted to form a loop, so that electric coagulation hemostasis can be conducted on the affected part, hemostasis can be conducted on the affected part without other extra hemostasis instruments, operation is easy and convenient, and the working efficiency is improved. And the operation time is shortened.

The double-waterway adjustable bipolar radiofrequency ablation needle comprises an operation grab handle, a needle head and a needle rod, the needle head and the operation grab handle are located at the front end and the rear end of the needle rod respectively, and a needle rod fixing base, a water return pipe fixing base and a water inlet pipe fixing base are sequentially arranged in the operation grab handle from front to back; the inner cavity of the water return pipe fixing seat is communicated with the inner cavity of the water inlet pipe fixing seat. The position of an ablation area is adjusted through the adjusting sliding block, the adjusting knob and the adjusting insulating tube, so that the radiofrequency ablation needle can be used for ablation electrodes of various specifications, and diversified ablation requirements are met; the radiofrequency ablation needle adopts a bipolar mode, and water circulation and water injection are combined to enlarge the ablation range; the first electrode wire is connected with the water circulation structure, the second electrode wire is connected with the water injection structure, double water paths are fused into the bipolar structure, the bipolar function is achieved, meanwhile, the defect that an existing ablation needle is small in ablation range is overcome, the treatment effect is guaranteed, and meanwhile the clinical safety can be improved.

The bipolar radio frequency electrosurgical device (1) comprises: - at least one manipulation body (2); - at least one insertion element (3) having a substantially elongated conformation, provided with a proximal end (4), associated with the manipulation body (2), and with a distal end (5), which can be positioned in contact with a body tissue of a patient; - at least two electrodes (6) associated with the insertion element (3) where the distal end (5) is located and adapted to deliver, where the body tissue is located, a bipolar radio frequency electric current generated by an external generating unit; wherein the insertion element (3) is made, at least partly, of a substantially flexible material.