The utility model relates to a PTCA tip developing balloon catheter, which comprises a catheter body and a developing member. The catheter system is a flexible tube body, and the front end of the flexible tube body is provided with a guide tip part and a balloon catheter connected to the rear of the guide tip part. The balloon catheter is provided with a balloon part, and the developing member is arranged on the surface of the guide tip part for X-ray application. Develop on the screen with the bottom.一種PTCA之尖端顯影球囊導管，包含一導管本體及一顯影構件，該導管本體係為一可撓性管體，且在該可撓性管體之前端具有一導引尖端部及連接於該導引尖端部後方的一球囊導管，該球囊導管具有一球囊部，該顯影構件係設置於該導引尖端部的表面，以供在X光使用下顯影於螢幕。
