Patent ID: 7572290

Claim:
An intraluminal device implantable in the vicinity of a blood vessel bifurcation, the bifurcation having a source blood vessel, a first branch vessel, and a second branch vessel, an aneurysm being located proximate to the bifurcation, the device comprising: a mesh-like tube of bio-compatible material having an expanded condition in which the tube diameter is larger than the diameter of the blood vessel in which it is to be implanted, said mesh-like tube having a length sufficient to be anchored to both the source blood vessel and the first branch vessel thereby straddling the opening of the second branch vessel; said mesh-like tube also having a length such that, when placed and anchored to straddle the opening of the second branch vessel, it also straddles said aneurysm; said mesh-like tube being designed to have in its implanted condition a porosity index of 60-75% so as to skew the flow of blood away from the aneurysm sufficiently to decrease the possibility of rupture of said aneurysm but not to unduly reduce the blood flow to said second branch vessel to a degree likely to cause significant damage to tissues supplied with blood by such second branch vessel.