Provided is a medical stent device in which a first woven portion and a second woven portion are arranged alternately in an axial direction. The first woven portion is configured to have a mesh structure including a plurality of rhombic meshes and is formed by weaving a plurality of wires such that each of the wires crosses one another to form crests and valleys. The second woven portion is elongated in the axial direction from the first woven portion. In the second woven portion, a traveling direction of each of the wires extending from the first woven portion is bent into the axial direction.
