Patent ID: 9526643
Filing Date: 2016-12-27
CPC Classification: A61F

Claim Text:
1. A stent possessing an axis, formed substantially as a tube and comprising a plurality of wavy annular members arranged along an axial extent of the stent so that the plurality of wavy annular members are axially adjacent wavy annular members, with axially adjacent wavy annular members connected to each other, the axially adjacent annular members being configured so that the stent in a first state possesses a relatively smaller outer diameter dimensioned to be inserted into a lumen inside a living body, and is expandable from the first state to a second expanded state possessing a relatively larger outer diameter when a force spreading radially outwardly from inside the tube is applied to the stent, each of the plurality of wavy annular members comprising a plurality of modified M-shaped linear portions which are continuous with each other, each of the modified M-shaped linear portions including four linear portions, the four linear portions comprising: i) a straight-line portion extending parallel to the axis of the stent when the stent is in the first state; ii) a first inclined straight-line portion connected to one end of the straight-line portion through a bent portion and oriented obliquely to the axis of the stent at least when the stent is in the expanded second state; iii) an inclined curved line portion connected to one end of the first inclined straight-line portion through a bent portion and extending obliquely to the axis of the stent; and iv) a second inclined straight-line portion connected to one end of the inclined curved linear portion through a bent portion and oriented obliquely to the axis of the stent at least when the stent is in the expanded second state.