Kink resistant bifurcated prosthesis
OwnerTroy Thornton, Randy S. Chan +1inventors
InventorsTroy Thornton, Randy S. Chan, Lilip Lau
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Abstract
The invention relates to an endoluminal prosthesis adapted for placement at a bifurcation site within the body. The stent or stent-graft may be constructed to have segments of differing structural properties. A section of the stent-graft may be constructed to have a single-lumen tubular stent member covering a multilumen graft member. The stent-graft may comprise at least two modular components adapted for in situ assembly. An extended cylindrical interference fit may be used to seal the modular components.
Claims12
An implantable endoluminal prosthesis adapted for placement at a bifurcation site within a body, said device having at least two segments, at least one of said segments having structural properties different from another of said segments.
A stent section comprising a wire structure having undulations, said undulations characterized by an alternating series of upper apexes and lower apexes, said wire structure arranged in a helical configuration having at least a first turn and a second turn, said first turn having at least one lower apex which extends to substantially meet a lower apex of said second turn.
The stent section of 5 wherein said upper and lower apexes of said of said first turn are in-phase with said apexes of said second turn.
The stent section of 5 wherein said stent section comprises multiple turns, each one of said multiple turns having at least one lower apex which extends to substantially meet a lower apex of an adjacent turn.
The stent section of 7 wherein the extended apex of each turn is spaced one undulation from the extended apex of a successive turn.
A modular prosthesis adapted for placement at a bifurcation site within a body, said prosthesis comprising:
- a main body component having an extended cylindrical female receiving portion;
- and
- a leg component having a mating cylindrical male portion, adapted for attachment to said extended cylindrical female receiving portion.
Dependencies are inferred from the claim text.