Valve devices, methods of making valve devices, and methods of treating variousvenous-related conditions, disorders and/or diseases are described. In oneembodiment, a valve device includes an expandable support frame and a bioprostheticvalve attached to the support frame. The bioprosthetic valve comprises a leafletand a contiguous wall portion harvested from a multi-leaflet xenogeneic valve.The contiguous wall portion includes the attachment region where the leafletsattaches to the vessel wall and, in some embodiments, includes the natural marginsof attachment between the leaflet and vessel wall.
