Patent classifications
A61B2018/1266
ELECTROSTATIC SHIELDING OF PLANAR MAGNETIC DEVICES OF ELECTROSURGICAL GENERATORS
An electronic device includes: a multilayered dielectric substrate including a plurality of dielectric layers; a planar magnetic device disposed on at least one internal dielectric layer of the plurality of dielectric layers; and an overlapping shield assembly including a first shield layer and a second shield layer separated by at least one of the plurality of dielectric layers.
ADVANCED SIMULTANEOUS ACTIVATION ALGORITHM
An electrosurgical generator includes: a power supply configured to output a DC waveform; a power converter coupled to the power supply and configured to generate a radio frequency waveform based on the DC waveform; an active terminal coupled to the power converter and configured to couple to a first electrosurgical instrument and a second electrosurgical instrument; at least one sensor coupled to the power converter and configured to sense at least one property of the radio frequency waveform; and a controller coupled to the power converter. The controller is configured to: determine a first impedance associated with a first electrosurgical instrument and a second impedance associated with a second electrosurgical instrument based on the at least one property of the radio frequency waveform; and adjust at least one parameter of the radio frequency waveform based on the first impedance and the second impedance.
METHODS, SYSTEMS, AND APPARATUSES FOR CRYOSURGERY, COLDSURGERY, AND ELECTROLYSIS
A cryosurgical instrument having a cryosurgical probe, at least one electrode configured to generate products of electrolysis, and a protective member coupled to at least a portion of an exterior surface of the cryosurgical probe effective to substantially isolate the cryosurgical probe from the products of electrolysis is disclosed. Methods of providing combined cryosurgical treatment and electrolysis with the cryosurgical instrument are disclosed. A system having the cryosurgical instrument, a cryogenic power supply, an electrolysis power supply, and a controller configured to generate a cryogenic signal and an electric signal is disclosed. Methods of producing the cryosurgical instrument by selecting a cryosurgical probe, coupling at least one electrode to the cryosurgical probe, and fastening the protective member to at least a portion of an exterior surface of the cryosurgical probe are disclosed. Cryosurgical probe protective devices are also disclosed.
SYSTEM AND METHOD FOR HARMONIC CONTROL OF DUAL-OUTPUT GENERATORS
A dual-output generator is configured to output two or more waveforms at different frequencies. In particular, the dual-output generator is configured to provide low-frequency output, which may be suitable for ultrasonic surgical instruments, and a high-frequency output, which may be suitable for electrosurgical instruments, while reducing the amplitude of all remaining frequencies other than the two selected low and high frequencies to about zero.
Operation method of electric power source device, electric power source device, and high-frequency treatment system
An operation method of an electric power source device for operating a high-frequency treatment instrument configured to perform a high-frequency treatment on a biological tissue includes causing a high-frequency electric power source circuit to output electric power; acquiring an initial impedance value in a first period from a start of the output; determining an increase rate of an output voltage relative to time; increasing the output voltage of the high-frequency electric power source circuit in accordance with the increase rate in a second period; acquiring the value relating to impedance of the biological tissue in the second period; and terminating the second period after the value relating to the impedance reaches a minimum value.
SURGICAL ASSEMBLY AND SYSTEM, AND A DC VOLTAGE COMPENSATION CIRCUIT
A surgical assembly and system are disclosed. The system comprises a first generator for generating a first signal for use in generating an electrical field proximate a site of a surgical procedure for removing particles suspended proximate the surgical site. The assembly further comprises a surgical tool comprising a tool-piece communicatively couplable with the first generator and a second generator, the second generator being arranged to generate a second signal for use in cutting or cauterizing biological tissue of the patient during the surgical procedure, the assembly further comprising a switching assembly for switching the application of the first signal and second signal to the tool-piece and a controller for controlling the application of the first signal and second signal to the tool-piece. A DC voltage compensation circuit is also disclosed for varying a voltage output by an DC generator to a tool-piece, for maintaining a substantially constant voltage difference between a distal end of the tool-piece and patient tissue.
SYSTEMS AND METHODS FOR TATTOO REMOVAL USING AN ELECTRO-KINETIC APPLICATOR
Methods and systems are disclosed for tattoo removal from a subject by exposing tattoo ink particles trapped within the dermis to electrical energy while activating a kinetic applicator that causes an active tip of an electrode applying the electrical energy to move within the dermis, whereby the tattoo will be degraded by the combined application of energy and tip movement. The tattoo removal method and system can be used to remove the tattoo from the skin of the subject being treated. In addition, the method and system described allows for the extraction of the tattoo ink particles, which may have toxic properties, from the subject's body.
SYSTEMS AND METHODS FOR TATTOO REMOVAL USING AN APPLIED ELECTRIC FIELD
Methods and systems are disclosed for tattoo removal from a subject by exposing tattoo ink particles trapped within the dermis to electrical energy. The tattoo removal method and system can be used to remove the tattoo from the skin of the subject being treated. In addition, the method and system described allows for the extraction of the tattoo ink particles, which may have toxic properties, from the subject's body.
SYSTEMS AND METHODS FOR NETWORK BASED ELECTROSURGICAL DEVICE ACTIVATION
A method for remote control of an electrosurgical device over a network is provided. The method including transmitting an activation request from a remote device to an electrosurgical device over a network, activating the electrosurgical device to output electrosurgical energy in response to receiving the activation request, starting a timer in response to receiving the activation request, and deactivating the electrosurgical device in response to at least one of the timer exceeding a predetermined time value or receiving a deactivation request from the remote device.
ABLATION CATHETER AND ASSOCIATED METHODS
Devices and techniques that enable multiple electrodes to be positioned proximate organic tissue, such as human tissue. In one embodiment, a catheter is provided that includes a shaft and a distal segment. The distal segment includes a plurality of electrodes configured in a plane that is substantially parallel with the longitudinal axis of the shaft.