An expandable bifurcated stent is formed of a main body and a first branch. The body wall is made up of interconnected stent members that define a plurality of cells, at least one of which is a side opening. The first branch body extends from the body wall from at least two regions adjacent the side...http://www.google.ca/patents/US7632305?utm_source=gb-gplus-sharePatent US7632305 - Biodegradable connectors
