Telescoping device with saline irrigation line

An electrosurgical system, comprising:

• a first shaft defining a proximal end and a distal end, and a lumen there through;
• a fluid delivery tube disposed within the lumen, the fluid delivery tube defining a proximal end a distal end and extending from at least the proximal end of the first shaft to proximal the distal end of the first shaft;
• an electrically conductive treatment element in electrical communication with and coupled to the distal end of the first shaft, the electrically conductive treatment element including a conductive fluid conduit in fluid communication with and affixed within a portion of the fluid delivery tube;
• a handle, the first shaft being slideably disposed within the handle, the fluid delivery tube maintaining fluid communication with the conductive fluid conduit when the fluid delivery tube slides within the handle at an oblique angle;
• and
• a radiofrequency generator in electrical communication with the electrically conductive treatment element, the radiofrequency generator including a pump in fluid communication with a fluid source, the pump being in fluid communication with the fluid delivery tube;
• and
• a vacuum source in fluid communication with the lumen, the vacuum source being configured to aspirate fluid expelled from the conductive fluid conduit.

An electrosurgical device, comprising:

• a conductive first shaft defining a proximal end, a distal end, and a lumen there through;
• a fluid delivery tube disposed within the lumen, the fluid delivery tube defining a proximal end a distal end, the fluid delivery tube being co-axial with the first shaft;
• an electrically conductive treatment element in electrical communication with and coupled to the distal end of the first shaft, the electrically conductive treatment element including:
• a conductive fluid conduit in fluid communication with and affixed within
• a portion of the fluid delivery tube, the conductive fluid conduit in electrical communication with the first shaft;
• an electrode defining a sharp edge, the electrode being configured to cut tissue with radiofrequency energy;
• and
• a port disposed distal to the distal end of the conductive fluid conduit, the port configured to expel conductive fluid from the conductive fluid conduit, the electrode surrounding at least a portion of the port;
• a second shaft in electrical communication with the first shaft, the first shaft being slideably disposed within the second shaft and movable from a first position in which the electrically conductive treatment element is proximate to a distal end of the second shaft to a second position in which the electrically conductive treatment element is advanced a distance away from the distal end of the second shaft while fluid communication is maintained between the fluid delivery tube and the conductive fluid conduit;
• and
• a handle, the proximal end of the conductive first shaft and a proximal end of the second shaft being disposed within the handle, the fluid delivery tube being slideable at an oblique angle within at least a portion of the handle.