Intraluminal stent

Claim 1

An intraluminal stent (80) comprising a tubular main body portion having a first end, a second end, and a flow passage defined therethrough from said first end to said second end, said tubular main body portion being sized for intraluminal placement within said body passage, said main body portion being formed at least in part from a material which has been rolled into a subtantially cylindrical configuration and thereby said main body portion has a central axis, said main body portion being one of porous and apertured, at least in part, said main body portion being expandable from a first, reduced cross-sectional dimension to a second enlarged cross-sectional dimension whereby said main body portion can be transported intraluminally to a targeted portion of a body passage and then can be expanded to a second enlarged diameter so as to engage and support said targeted portion of said body passage, said main body portion including means for retaining said main body portion in said reduced diameter configuration and means for retaining said main body portion in said enlarged diameter configuration, characterized by: said main body portion including a plurality of tine receiving cavities (84) and a plurality of tine elements (86), said tine receiving cavities (84) each extending in a first direction at least part circumferentially of said main body portion from a first open end to a second end thereof, said tine elements (86) being slidable in respective tine receiving cavities (84) whereby sliding movement of said tine elements (86) in said first direction in said tine receiving cavities (84) selectively increases or decreases a diameter of said main body portion.