A double walled stent system particularly suited for treating abnormalities of the right ventricular outflow tract is disclosed having an exterior stent component and an interior stent component. The exterior stent component includes a plurality of longitudinally-extending connectors such as straight...http://www.google.com.au/patents/US7815673?utm_source=gb-gplus-sharePatent US7815673 - Double-walled stent system
