Electrode device for wrapping around vessels in body, and method therefor

An electrode device for wrapping around the vessels in the body, according to one embodiment of the present invention, comprises: an electrode part for wrapping around a vessel, and denervating or modulating the nerves of at least one portion of the vessel; and a guide part for guiding the movement of the electrode part, wherein the electrode part can comprise: a first layer bent so that the electrode part is wound around the vessel; a second layer arranged on the first layer, and bent so that the electrode part is wound in close contact with the vessel; and an electrode which is arranged on the second layer, and which denervates or modulates the nerves of at least one portion of the vessel by using energy from an energy-generating source.