Patent ID: 8591569
Filing Date: 2013-11-26
Classification: A61F

Abstract:
1. A stent therefor-configured to expand and maintain a lumen of an organ of a human body stenosed due to a lesion, the stent comprising: a stent unit including a cylindrical body, the cylindrical body including: a first pair of hook wires passing through the space parts at one end of the cylindrical body, where opposite ends of each hook wire, of the pair of hook wires, are wound on respective ones of the plurality of bending terminals positioned opposite to one another in a circumferential direction of the cylindrical body, and where each of the ends of each hook wire, of the pair of hook wires, is bent to produce first hooks therefor-configured to engage an inner wall of the lumen of the organ; and a pair of hanging strings arranged perpendicular to one another, such that the pair of hanging strings passes through space parts at one end of the cylindrical body, the pair of hanging strings are attached to the bending terminals, and the pair of hanging strings is knotted together so as to form a hanging knot, located at a center of the cylindrical body, which reduces a volume of the cylindrical body when pulled and causes the first hooks to disengage from the inner wall of the lumen when the volume of the stent is reduced in response to the pulling.