A device for conducting surgical procedures, comprising: a handpiece main body ; an electrical conduit passing through the handpiece main body; an electrode attachment detachably connected to the handpiece main body; a second electrical conduit passing through the electrode attachment that electrically connects to the electrical conduit when the electrode attachment is attached to the handpiece main body, wherein the electrical conduit and second electrical conduit provide an electrical path for passing electrical current to a surgical operative field; a feedback mechanism positioned within the handpiece main body; and a feedback electrical path between the electrode attachment and the feedback mechanism; an electrode affixed in the electrode attachment and in electrical connection with the second electrical conduit; wherein the electrode is detachable from an end of the electrode attachment; a key structure disposed in the electrode attachment; and a key receptacle disposed in the handpiece main body with an interior region adapted to receive the key structure; wherein the feedback mechanism is responsive to signals provided from the electrode attachment through the feedback electrical path to adjust operational characteristics of the device; wherein an outer surface of the key structure is in contact with the interior region of the key receptacle when the electrode attachment is connected to the handpiece main body; and wherein the interior region permits the electrode attachment to be positioned at a plurality of different angular positions with respect to the handpiece main body to provide a plurality of respective different operational parameters depending on which of the plurality of angular positions that the electrode attachment is positioned at. a handpiece main body ; an electrical conduit passing through the handpiece main body; an electrode attachment detachably connected to the handpiece main body; a second electrical conduit passing through the electrode attachment that electrically connects to the electrical conduit when the electrode attachment is attached to the handpiece main body, wherein the electrical conduit and second electrical conduit provide an electrical path for passing electrical current to a surgical operative field; a feedback mechanism positioned within the handpiece main body; and a feedback electrical path between the electrode attachment and the feedback mechanism; an electrode affixed in the electrode attachment and in electrical connection with the second electrical conduit; wherein the electrode is detachable from an end of the electrode attachment; a key structure disposed in the electrode attachment; and a key receptacle disposed in the handpiece main body with an interior region adapted to receive the key structure; wherein the feedback mechanism is responsive to signals provided from the electrode attachment through the feedback electrical path to adjust operational characteristics of the device; wherein an outer surface of the key structure is in contact with the interior region of the key receptacle when the electrode attachment is connected to the handpiece main body; and wherein the interior region permits the electrode attachment to be positioned at a plurality of different angular positions with respect to the handpiece main body to provide a plurality of respective different operational parameters depending on which of the plurality of angular positions that the electrode attachment is positioned at. <EOS>