To provide a system for quickly creating a fistula between a first biological tissue and a second biological tissue of a body.SOLUTION: A fistula creation system includes: a tissue fastening tool 100 for applying pressure to a periphery of a first biological tissue and a second biological tissue of a body; a power source; and a fistula creating device 120. The fistula creating device includes one or more electrodes located at the distal end of a catheter and in electrical communication with the power source. The electrodes cut the first and second biological tissue within the area when charged by the power source. The fistula creating device includes a balloon with an electrode for expanding the size of the fistula.SELECTED DRAWING: Figure 6
展开▼