Patent ID: 7833264
Filing Date: 2010-11-16
Classification: A61F

Abstract:
1. A stent for placement at a vessel bifurcation, the stent having an expanded configuration and an unexpanded configuration, the stent comprising: a substantially tubular body comprised of a plurality of interconnected struts defining a sidewall, the tubular body having a proximal end region, a distal end region, and defining a first lumen therethrough, the first lumen having a first longitudinal axis, the tubular body comprising a side branch structure and a support ring positioned between the proximal end region and distal end region said support ring surrounding said side branch structure, said side branch structure comprising a plurality of adjacent deployable elements, said deployable elements surrounding a side branch opening, in the expanded configuration the deployable elements defining a second lumen, the second lumen having a branch axis, the branch axis being at an angle relative to the first longitudinal axis, the first lumen being in fluid communication with the second lumen; the substantially tubular body comprising a track region located proximal to the side branch opening, the track region comprising at least two struts which are straight and parallel to each other and the first longitudinal axis in the unexpanded configuration, each of said at least two struts defining at least a portion of at least one of the deployable elements at one end and attached to said support ring at another end, each of the at least two struts comprised of a first portion and a second portion, the first portion and second portion defining a portion of the first lumen in the unexpanded configuration, wherein in the expanded configuration, the first portion of the at least two struts defines a portion of the first lumen, and the second portion of the at least two struts defines a portion of the second lumen.