Ablation systems of the present disclosure facilitate the safe formation of wide and deep lesions. For example, ablation systems of the present disclosure can allow for the flow of irrigation fluid and blood through an expandable ablation electrode, resulting in efficient and effective cooling of the ablation electrode as the ablation electrode delivers energy at a treatment site of the patient. Additionally, or alternatively, ablation systems of the present disclosure can include a deformable ablation electrode and a plurality of sensors that, in cooperation, sense the deformation of the ablation electrode, to provide a robust indication of the extent and direction of contact between the ablation electrode and tissue at a treatment site.

The present invention provides a device for rejuvenating a region of skin or mucosal tissue, comprising: a pulsed electromagnetic frequency generator; a plurality of electrodes in communication with the pulsed electromagnetic frequency generator and an RF tissue diathermy device. The electrodes apply the pulsed electromagnetic power and the RF tissue diathermy to the tissue, heating it such that one portion of the region of mucosal tissue is maintained at a predetermined temperature range T.sub.1 while another portion of the region of mucosal tissue is at least temporarily maintained at predetermined temperature range T.sub.2.

In one aspect, a fixed position RF electrode for conducting surgical procedures, includes a main device body detachably connectable to an RF generating system, a first polarized conductor and a second oppositely polarized conductor, a bipolar electrical conduit passing through the main device body that passes RF energy from the RF generating system to the first polarized conductor and the second oppositely polarized conductor, and a bipolar electrode for contacting a surgically operative material.

Electrosurgical lysing devices and related systems and methods. In some embodiments, the lysing device may comprise a lysing tip comprising a plurality of beads and at least one lysing member, such as a lysing rod, defining at least one lysing segment extending between each pair of adjacent beads. The at least one lysing member may extend through a tunnel extending at least partially through each of the plurality of beads so as to define the at least one lysing segment between each pair of adjacent beads.

A surgical instrument includes a body extending along a longitudinal axis between opposite proximal and distal end surfaces. The distal end surface includes a first cavity and a second cavity. The first cavity includes a first light bulb disposed therein. The second cavity includes a second light bulb disposed therein. A shaft includes opposite proximal and distal ends. The proximal end is coupled to the body. A blade is coupled to the distal end. The first light bulb is an ultraviolet (UV) light bulb and the second light bulb is configured to emit visible light. Systems and methods of use are disclosed.

The invention is a system for monitoring and controlling tissue ablation. The system includes a controller configured to selectively control energy emission from an electrode array of an ablation device based on ablation feedback received during an ablation procedure with the ablation device. The controller is configured to receive feedback data from one or more sensors during the ablation procedure, the feedback data comprising one or more measurements associated with at least one of operation of the electrode array of the ablation device and tissue adjacent to the electrode array. The controller is further configured to generate an ablation pattern for controlling energy emission from the electrode array of the ablation device in response to the received feedback data.

An electrosurgical device coated an epoxy modified rigid silicone powder coating. This coating is applied to the surfaces of an electrosurgical device minimize the build-up of charred tissue (i.e., eschar) on the surfaces of the electrosurgical device.

Ablation systems and methods of the present disclosure include a catheter including one or more image sensors. The one or more image sensors can facilitate, for example, positioning an ablation electrode at a treatment site of an anatomic structure and, additionally or alternatively, can facilitate controlling delivery of therapeutic energy to a treatment site of an anatomic structure.

An apparatus and a method for producing a virtual electrode within or upon a tissue to be treated with radio frequency alternating electric current. An apparatus in accord with the present disclosure includes a supply of a conductive or electrolytic fluid to be provided to the patient, an alternating current generator, and a processor for creating, maintaining, and controlling the ablation process by the interstitial or surficial delivery of the fluid to a tissue and the delivery of electric power to the tissue via the virtual electrode. A method in accord with the present disclosure includes delivering a conductive fluid to a predetermined tissue ablation site for a predetermined time period, applying a predetermined power level of radio frequency current to the tissue, monitoring at least one of several parameters, and adjusting either the applied power and/or the fluid flow in response to the measured parameters.

A medical device includes an electrode shaft and a tip. The electrode shaft is configured to deliver energy to a target site and includes an electrode shaft lumen configured to deliver fluid to the target site. The tip is coupled to a distal tip of the electrode shaft. The tip includes an inner portion of conductive material and an exterior layer of insulative material. The tip includes a tip lumen fluidly connected to the electrode shaft lumen and configured to deliver fluid to the target site.