An electrosurgery arrangement, including: an electrosurgical probe having a rod-shaped probe body, an outer surface and also one distal and one proximal electrode, wherein the distal electrode and the proximal electrode each form an electrically conductive section of the outer surface and are electrically insulated from one another, and wherein an expandable, electrically insulating probe separator is arranged between the distal electrode and the proximal electrode and a guide sleeve having a lumen into which the electrosurgical probe is removably introduced and having an expandable, electrically insulating sleeve separator, wherein the guide sleeve has at least one respective radial opening both proximally and distally relative to the sleeve separator, and a method for operating such an electrosurgery arrangement.