Patent ID: 7815675
Filing Date: 2010-10-19
Classification: A61F,A61M

Abstract:
1. A stent comprising: a tubular member defining a stent longitudinal axis, the tubular member having a first end section, a midsection and a second end section the tubular member comprising a framework having a plurality of openings; the midsection comprising an expandable branch structure, a first partial serpentine ring and a first transition member, the expandable branch structure comprising a side branch ring comprising a plurality of outwardly expandable petals, the side branch ring defining a central branch opening having a unique shape, the first transition member comprising a first straight portion oriented non-parallel to the stent longitudinal axis, the first partial serpentine ring comprising alternating struts and turns, wherein a first plurality of adjacent struts each comprise a straight portion that is parallel to the first straight portion of the first transition member.