Patent ID: 6793671
Filing Date: 2004-09-21
Classification: A61F

Abstract:
A blood vessel wall defining device for repairing an aneurysm comprising in combination,a percutaneously-insertable structural frame extending between a first end and a second end and having an unexpanded diameter which is smaller than the diameter of said blood vessel for said structural frame to be percutaneously placed into said blood vessel, said structural frame being expandable to form a generally cylindrical structural skeleton having a slightly larger diameter than said blood vessel to facilitate the securing of said structural skeleton in position in said blood vessel; said structural frame including a plurality of longitudinal support rods; a tubular sheath; said longitudinal support rods being attached to the tubular sheath for at least a portion of the lengths of the longitudinal support rods; a plurality of expandable ring stents longitudinally displaced from each other internally of said tubular sheath; said ring stents having a smaller deployment diameter prior to insertion into a blood vessel and an expanded diameter in an uncoiled position; wherein said support rods are devoid of said tubular sheath at a position alone the length of said support rods where blood can move laterally between the support rods to supply blood to branches off the blood vessel.