TECHNICAL FIELD The present invention relates to an electrode device for high-frequency thermal therapy which is easy to use during CT (computed tomography) guide RFA (radiofrequency ablation) treatment, one embodiment of the present invention relates to an electrode device for high-An electrode device for high-frequency thermotherapy provided with a needle and cauterizing the lesion site by high-frequency heat generated from the electrode needle, wherein the electrode device is provided between the handle and the electrode needle, An electrode device for high-frequency thermal therapy including a bent tube capable of maintaining a folded and deformed state.(FIG.本発明は、CT(コンピュータ断層撮影;computed tomography)ガイドRFA(高周波熱治療;radiofrequency ablation)施術時に使用が容易な高周波熱治療用電極装置に関し、本発明の一実施例は、取っ手の前方に電極針が備えられ、前記電極針から発生する高周波熱で病変部位を焼灼して壊死させる高周波熱治療用電極装置において、前記取っ手と前記電極針との間に備えられ、所定角度折り曲げ変形可能で、折り曲げ変形した状態を維持できる折曲管を含む高周波熱治療用電極装置を提供する。【選択図】 図2