| 摘要 |
PROBLEM TO BE SOLVED: To provide a guide wire capable of suppressing disengagement of a coil body from a core shaft by reducing a stress load on a fastening part for fastening the coil body to the core shaft.SOLUTION: A guide wire 10 comprises a core shaft 20, a coil body 30 that is wound around a tip of the core shaft 20, and a fastening part 12 for fastening a base end of the coil body 30 to the core shaft 20. In the core shaft 20, a small-diameter part 20c thinner than a first large-diameter part 20b is provided on a base end side with respect to the first large-diameter part 20b to which the fastening part 12 is fastened. |
