| 摘要 |
PROBLEM TO BE SOLVED: To provide a treatment instrument for endoscope which is easy to insert from the proximal end side of a guide wire and to pull out, has excellent handleability, and is easy to replace with another treatment instrument for endoscope.SOLUTION: A balloon holding member 30 is constituted of a member separate from a catheter tube 5. The balloon holding member 30 has a guide wire lumen 32 formed to allow a distal end opening 32a for wire that opens at the distal end side of a baloon 2 and a proximal end opening 32b for wire that opens at the proximal end side of the baloon 2 to communicate with each other.SELECTED DRAWING: Figure 1 |
