An electrosurgical instrument includes a light source, a first conductor, a second conductor, an insulation material positioned between the first conductor and the second conductor, and a light pipe that carries light from the light source to the insulation material.

Controlling conductive fluid flow during an electrosurgical procedure. At least some of the example embodiments are methods including: flowing conductive fluid from a source lumen to a suction lumen of an electrosurgical wand, the flowing with the electrosurgical wand in a first orientation; sensing a change in orientation of the electrosurgical wand to a second orientation different than the first orientation; and changing a control parameter associated with the conductive fluid flow, the changing responsive to the change in orientation of the electrosurgical wand.

Methods and compositions are provided for monitoring and optimizing electrolysis, for example, tissue electrolysis. Aspects of the methods include monitoring electrolysis of a tissue in a subject using an imaging technique or a measurement technique, e.g., a bulk spectroscopic measurement technique. Imaging techniques of interest include electrical impedance-based tomography and magnetic electrical impedance tomography. Electrical impedance-based imaging methods include imaging the electrical impedance of a tissue of the subject undergoing electrolysis, and monitoring the electrolysis based on one or more electrical impedance images of the tissue. Another modality to monitor electrolysis is by magnetic resonance imaging (MRI)-based methods which include imaging pH changes in a tissue of the subject undergoing electrolysis by magnetic resonance imaging, and monitoring the electrolysis based on one or more magnetic resonance images of the pH changes in the tissue. Measurement techniques of interest include bulk measurements of electrical properties and their changes with electrolysis or bulk changes in magnetic resonance readings and their changes with electrolysis. Devices and systems thereof that find use in practicing the methods are also provided.

A monopolar suction coagulator device is provided for use with a vacuum source and an electrosurgical generator to perform a coagulation procedure and an evacuation procedure at a surgical site. The device includes an active electrode portion at the distal end of a probe, and the probe is formed of a thermally conductive and electrically conductive, non-stick metal material along all or substantially all of its length, to aid in heat dissipation during a coagulation procedure.

A handheld electrosurgical instrument includes a handpiece (2) and an electrode assembly (3), the electrode assembly including one or more electrodes (12), (13) and a connector (8), (9) by which the electrode assembly (3) is capable of being attached and detached with respect to the handpiece (2). The handpiece includes a battery (4), an RF oscillator circuit (5) for generating a radio frequency output, and switching means (7) operable by a user of the electrosurgical instrument. A control circuit is provided (6) for controlling the RF output, the control circuit (6) being capable of receiving signals from the switching means (7) and causing one or more RF outputs to be supplied to the electrode assembly (3) in response thereto. The electrode assembly (3) includes a component (14), (21) capable of modifying the RF output reaching the one or more electrodes (12), (13) to produce a desired RF output at the one or more electrodes.

Some embodiments of the invention may be related to an apparatus for non-invasive directional tissue treatment. The apparatus includes a radiofrequency (RF) generator and an array of RF energy delivery elements in monopolar configuration, in active communication with the RF generator, at least one of: a return electrode and a return pad, and a power source and a controller. In some embodiments, each of the RF energy delivery elements comprises a monopolar electrode such that each monopolar electrode has a first dimension and a second dimension, the first dimension perpendicular to the second dimension. In some embodiments, the first dimension of each monopolar electrode and the distance between the monopolar electrodes in each pair are configured to create an elongated heated volume of tissue when the RF generator is activated and at least one of the RF delivery elements is in contact with the tissue.

An electrosurgical device that has a head having a face. A handle connectable to an RF generator. The device has a plurality of teeth extending from the face. At least one of the plurality of teeth as a first electrical charge. A second of the plurality of teeth has a second electrical charge.

There is provided an energy device for surgical operation capable of suppressing fixation of body tissue, wherein a coating layer is formed on an outer periphery of a base material constituting an operational area portion transmitting energy in an energy device for surgical operation operating in the operational area portion, and is comprised of a base coating formed on the base material and an outermost coating formed on the base coating. The base coating is made from silicon oxide or a compound containing silicon oxide, and the outermost coating is made from polysiloxane or a compound containing polysiloxane or a compound containing a partly fluorinated polysiloxane, and the coating layer has a good adhesiveness and is applicable to a complicated form.

A cordless, battery powered lighting device is disclosed which is configured to be removably installed on a distal end portion of a handheld electrosurgical instrument, and once the lighting device is installed on the distal end portion of the instrument, light automatically projects from the lighting device along the longitudinal axis of the surgical instrument.

Presented are a method and apparatus for surgical procedures. An exemplary apparatus includes a body having a longitudinal axis and a connection opening at a first end of the longitudinal axis, the connection opening including an electrical connection to an electrical circuit maintained within the body and an air path extending through the longitudinal axis of the body. The apparatus further includes a tube assembly having a distal end and a mating end along a tube longitudinal axis, the tube assembly having a vacuum inlet circumscribing an electrode extending from the distal end, the vacuum inlet operable for receiving surgical smoke, the vacuum inlet fluidly connected to an air tube extending through the tube longitudinal axis, the mating end operable to be removably affixed to the connection opening thereby connecting the electrode with the electrical connection and the air path with the air tube, and a first button.