Implantable vein frame
An implantable vein frame is contemplated in which two ring members are rigidly joined in spaced axial alignment via one or more interconnecting members. One of the one or more interconnecting members defines a protruding region that acts upon the implant placed within the frame and/or the vein that the vein frame is placed within to define a sinus region. The implant is placed within and scaffolded by the vein frame, and the vein frame is subsequently inserted within a vein via a venotomy, or interposed between two vein segments via vein interposition graft. The vein frame acts to support the structural integrity of the implant, and to scaffold and anchor the implant in place with the vein.
1. A vein frame and valve assembly, comprising:
a distal inlet member;
a proximal outlet member;
at least one rigid and non-expandable axial support member interconnecting said inlet member and said outlet member, wherein said at least one axial member includes at least one region along its length that protrudes beyond the region defined by a frustoconical volume between and delimited by said inlet member and outlet member; and
a valve attached to said at least one axial support member, wherein said valve is positioned between said inlet member and outlet member; and
at least one of the inlet or outlet members are rigid and non-expandable.
2. The vein frame and valve assembly of claim 1 , further comprising a valve selected from the group consisting of a monocuspid valve, a bicuspid valve, a leaflet of a mono cuspid valve, and a leaflet of a bicuspid valve.
3. The vein frame and valve assembly of claim 1 , further comprising at least one strut member that is connected to said at least one axial support member and to said inlet member or outlet member.
4. The vein frame and valve assembly of claim 3 , wherein said sinus of said valve is protected from deformation by the protruding region of said axial support member, wherein said axial support member is rigid and non-expandable.
5. The vein frame and valve assembly of claim 1 , wherein said inlet member and said outlet member are substantially circular, have substantially the same internal diameter, and have substantially the same external diameter.
6. The vein frame and valve assembly of claim 1 , further comprising at least three axial support members and said valve is positioned in said protruding region to support a sinus of said valve.
7. The vein frame and valve assembly of claim 1 , wherein said valve is larger than the diameter of said inlet and outlet members.