Patent ID: 7744643

Claim:
A balloon expandable stent in an unexpanded configuration comprising: a plurality of struts arranged to form a substantially cylindrical expandable framework, the struts defining a plurality of cells; and a side branch structure comprising: an outer crown comprising a plurality of outer crown struts arranged to form a closed loop, the outer crown defining a side branch area; an inner crown comprising a plurality of inner crown struts and inner crown turns arranged to form a closed loop, the inner crown turns comprising inner turns and outer turns, the struts and inner turns defining petals, the inner crown defining an inner side branch cell having a shape different from the shape of any other cell, the inner turns located closer to a centerpoint of the inner side branch cell than the outer turns; and a plurality of side branch connectors made from the same material as the inner crown, each side branch connector having a first end connected to an outer turn of the inner crown and a second end connected to the outer crown, each side branch connector comprising an inflection point, each side branch connector oriented such that said first end and said second end are not aligned in a side branch radial direction.