PROBLEM TO BE SOLVED: To provide a guide wire excellent in operatability.SOLUTION: The guide wire 1 has a wire body 10 having a linear first wire 2 arrange in the distal end side, a linear second wire 3 arranged in the proximal end side of the first wire 2 and constituted of a material having elastic modulus larger than that of the constituent material of the first wire 2, and a welded part 4 constituting by welding the first wire 2 and the second wire 3, a welded part covering layer 5 arranged so as to cover at least the outer periphery of the welded part 4, and a distal end side covering layer 6 arranged so as to cover at least a part of the first wire 2 in the distal end side of the welded part covering layer 5, the sliding resistance of the surface of the welded part covering layer 5 is lower than that of the distal end side covering layer 6.COPYRIGHT: (C)2011,JPO&INPIT【課題】操作性に優れるガイドワイヤを提供すること。【解決手段】ガイドワイヤ1は、先端側に配置された線状の第1ワイヤ2と、第1ワイヤ2の基端側に配置され、第1ワイヤ2の構成材料より弾性率が大きい材料で構成された線状の第2ワイヤ3と、第1ワイヤ2および第2ワイヤ3を溶接した溶接部4とを有するワイヤ本体10と、少なくとも溶接部4の外周を覆うように設けられた溶接部被覆層5と、溶接部被覆層5の先端側に、第1ワイヤ2の少なくとも一部を覆うように設けられた先端側被覆層6とを有し、溶接部被覆層5の表面は、先端側被覆層6の表面よりも摺動抵抗が低い。【選択図】図1
