Patent ID: 8465538
Filing Date: 2013-06-18
Classification: A61F

Abstract:
1. A variable length endovascular prosthesis adapted to prevent endoleaks, said prosthesis comprising: a substantially tubular first graft member comprising an interior surface, an exterior surface, and an open end; a substantially tubular second graft member engaged coaxially within said first graft member, the second graft member having a proximal end; and a substantially tubular fluid-tight connecting member having two axially separated ends that is attached at one end to said first graft member and attached at another end to a cross-sectional edge at said proximal end of said second graft member, wherein said one end is attached to either said interior surface or said exterior surface of said first graft member, and wherein said connecting member is axially compressible and expandable in response to movement of said second graft member and wherein a length of said connecting member is variable and a length of said second graft member is maintained to facilitate engagement of said proximal end of said second graft member within said first graft member while maintaining a seal between said proximal end of said second graft member and said open end of said first graft member.