Abstract: A guide wire which is flexible in a distal portion and which can prevent occurrence of damage such as breakage and separation of a coil in the distal portion has an elongated core member and a tubular body located so as to cover a periphery of a distal portion of the core member. The tubular body is formed using a belt-shaped member wound in a spiral shape, and has an engagement portion which causes side portions adjacent in a longitudinal axis direction of the core member to engage with each other in the belt-shaped member.

Abstract: A guide wire which is flexible in a distal portion and which can prevent occurrence of damage such as breakage and separation of a coil in the distal portion has an elongated core member and a tubular body located so as to cover a periphery of a distal portion of the core member. The tubular body is formed using a belt-shaped member wound in a spiral shape, and has an engagement portion which causes side portions adjacent in a longitudinal axis direction of the core member to engage with each other in the belt-shaped member.

Abstract: A guide wire is disclosed, which includes a core portion formed of an elongated object having flexibility, in which the core portion includes a main body portion formed on a proximal side, a flat plate portion formed on a distal side, and a transition portion which connects the main body portion and the flat plate portion, and in which at least one groove portion extending in a direction different from a length direction is formed on a slope of the transition portion in the length direction. In addition, the guide wire includes a coil portion disposed so as to cover the distal side of the core portion.