A kind of guide-tube structure being used together with what with internal organ electrograph (EVG) system is provided. The guide-tube structure includes elongated pipe structure, which has proximally and distally. Three electrodes are associated with the distal end of pipe structure, and be constructed and arranged to what obtain close what intra-abdominal organ inside myoelectrical activity signal, so as to thus come position in organ include electric discharge main path destination organization. Treatment structure for conveying associated with the distal end of pipe structure, separated from the electrodes is constructed and arranged to provide treatment at destination organization while electrode gets the signal at destination organization with what, so as to monitor the validity for the treatment of.提供一種用於與內臟電圖(EVG)系統一起使用的導管結構。該導管結構包括長形的管結構，該管結構具有遠端和近端。三個電極與管結構的遠端相關聯，並且被構造和佈置成用於獲取關於腹腔內器官內部的肌電活動的信號，以便由此來定位器官中的包括放電的主路徑的目標組織。與管結構的遠端相關聯的、與電極分離的治療輸送結構被構造和佈置成用於在電極獲取到目標組織處的信號的同時在目標組織處提供治療，從而可以監測治療的有效性。
