Patent ID: 9402978
Filing Date: 2016-08-02
CPC Classification: A61M

Claim Text:
1. A guidewire comprising: a wire body that has a first wire arranged on a distal end side and a second wire arranged on a proximal end side of the first wire, the second wire being formed of a material whose rigidity is higher than that of a material forming the first wire, and a proximal-most end surface of the first wire and a distal-most end surface of the second wire being joined to each other so as to form a joint portion; an outer member arranged on an outer peripheral side of the wire body and forming a tubular shape which covers the wire body at least from a distal end portion of the first wire to the joint portion, the outer member having flexibility; and an inner member having a distal end and a proximal end, the inner member being arranged between an outer peripheral portion of the wire body and an inner peripheral portion of the outer member, and covering the joint portion; wherein the inner member is an inner coil formed by winding a wire for the inner member into a coil shape; and wherein a distal end of the inner member is not fixed to the wire body.