US 12,239,556 B2
Stent
Kanta Sasaki, Hachioji (JP); Ryoji Hyuga, Kamiina-gun (JP); Kosuke Ozawa, Hachioji (JP); and Hirofumi Taniguchi, Hachioji (JP)
Assigned to OLYMPUS CORPORATION, Tokyo (JP)
Filed by OLYMPUS CORPORATION, Tokyo (JP)
Filed on Sep. 21, 2021, as Appl. No. 17/480,431.
Application 17/480,431 is a continuation of application No. PCT/JP2019/012860, filed on Mar. 26, 2019.
Prior Publication US 2022/0000643 A1, Jan. 6, 2022
Int. Cl. A61F 2/915 (2013.01); A61F 2/95 (2013.01)
CPC A61F 2/915 (2013.01) [A61F 2/95 (2013.01); A61F 2002/9155 (2013.01); A61F 2210/0014 (2013.01); A61F 2240/001 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A stent having self-expandability, the stent comprising:
a body part formed in a tubular shape by a wire, the wire having a plurality of convex bent portions relative to a distal end of the body part and a plurality of concave bent portions relative to the distal end of the body part; and
the plurality of convex bent portions and the plurality of concave bent portions form a plurality of entangled portions and a plurality of locking parts;
wherein a first portion of the plurality of convex bent portions and a first portion of the plurality of concave bent portions cross each other, are entangled with each other and are movable relative to each other to form the plurality of entangled portions; and
a second portion of the plurality of convex bent portions and a second portion of the plurality of concave bent portions cross each other without being entangled, the second portion of the plurality of convex bent portions each extend radially outward from an outer circumferential surface of the body part to form the plurality of locking parts, the outer circumferential surface of the body part being defined by the wire other than the plurality of locking parts.