| abstract |
An object of the present invention is to provide an apparatus and a method for treating cardiac arrhythmia in which a balloon can be placed at a target lesion in a balloon catheter having an ablation mechanism for electrical isolation. A stylet comprising a core wire and a tip coil made of a radiation shielding metal having high rigidity and good shape memory, having a preformed portion in the coil, and having a stopper and a handle at a hand side, Apparatus for treating cardiac arrhythmia in which the catheter is provided with rigidity, shape, and target lesion selectivity by slidably arranging a balloon catheter having a flexible portion capable of adjusting rigidity at the distal end of the catheter outer cylindrical shaft. And methods. [Selection diagram] FIG. |