Patent ID: 7578841

Claim:
A stent for implantation in a bifurcated body lumen having a main branch vessel and a side branch vessel, wherein the stent comprises: a main stent body with a body wall extending along a longitudinal axis from a distal end to a proximal end and defining a main lumen extending therethrough; and a branch portion comprising a branch portion wall connected to the body wall, the branch portion positioned between the distal and proximal ends of said main stent body and movable with respect to the main stent body from a first position to a second position, wherein in the first position the branch portion wall is substantially coplanar with said body wall and in the second position the branch portion wall is offset with respect to the body wall, wherein the branch portion wall comprises first and second portions, wherein in the first position the branch portion wall defines an interior surface and an exterior surface, and wherein in the second position the first portion exterior surface of the branch portion wall is configured to contact and support the branch vessel wall and the second portion interior surface of the branch portion wall is configured to contact and support the branch vessel wall.