The object of this invention is to perform a balloon ablation and a spot ablation with an ablation catheter without changing an ablation catheter body during an ablation therapy. The ablation catheter with balloon comprising: a catheter shaft a balloon mounted on a front end side of the catheter shaft in the lengthy direction a lumen communicating with the balloon from an end face of a rear end in the lengthy direction an electrode inside balloon and a temperature sensor inside balloon disposed inside the balloon a front end electrode and a front end temperature sensor mounted on a front end area including the end face of a front end side in the lengthy direction.本發明之目的在於,在藉導管電氣燒灼方式進行治療時,不用交換燒灼導管本體,可由一根燒灼導管來進行氣球電氣燒灼及定點電氣燒灼。本發明提供一種附氣球之燒灼導管,其具備:導管軸;氣球,係安裝於該導管軸之長度方向的前端側;導管腔,係從該長度方向之後端側的端面連通於該氣球;氣球內電極及氣球內溫度感測器,係配置於該氣球內部;以及前端部電極及前端部溫度感測器,係安裝於包含該長度方向之前端側的端面之前端區域。1A...附氣球之燒灼導管2...氣球6...操縱部10...氣球內電極11...氣球內溫度感測器14...前端部電極15...前端部溫度感測器20A...附氣球之燒灼導管系統21...高頻產生裝置22...振動賦予裝置23A...電路切換開闢26...高頻電流引線27...測溫信號傳遞引線28...對電極29...耐壓延長管
