Radio frequency plasma scalpel with telescopic scalpel bar

The utility model relates to a radio frequency plasma scalpel with a telescopic scalpel rod, and belongs to the technical field of medical equipment. The radio-frequency plasma scalpel with the telescopic scalpel bar comprises a handle assembly, a first electrode assembly and a second electrode assembly, wherein the handle assembly comprises a fixed part and a movable part which are in sliding fit in the front-back direction; the knife tube assembly is connected with the fixing part; the electrode assembly penetrates through the handle assembly and the knife tube assembly, the electrode assembly and the movable part are connected and can relatively slide in the front-back direction, and the movable part can push the electrode assembly to extend out of the front end of the knife tube assembly. The radio frequency plasma scalpel with the telescopic scalpel bar needs to be used in cooperation with a radio frequency plasma host and can be used for conducting radio frequency ablation, cutting, solidification hemos