Patent ID: 7491230

Claim:
A prosthetic device for endovascular repair of an aneurysm comprising: a first expandable and/or flexible polytetrafluoroethylene tubular member; a second expandable and/or flexible polytetrafluoroethylene tubular member coaxial with and of a diameter larger than a diameter of said first tubular member so that a space is formed therebetween, said first and said second tubular members sealingly attached at proximal and distal ends; port means for injection of an inflating fluid into the space between said tubular members, wherein said port means includes an inflation conduit and a port mechanism, wherein said inflation conduit is removably attached to said tubular members; and a plurality of connecting elements crossing the space, said connecting elements formed by said first tubular member being attached directly to said second tubular member, wherein said connecting elements are arranged helically.