US Patent 10888412 Stent-graft for anastomosis

An anastomosis device may include an anchor including a base with an opening and a riser portion securably associated with the base. The base is configured to be disposed within a body lumen. The riser portion includes at least one attachment point with a tubular and hollow graft secured directly to the at least one of attachment point of the riser portion. The at least one attachment point of the riser portion is free of sutures or pins traversing portions of the graft proximal the riser portion. The at least one of attachment point of the riser portion may be in the form a tip of a hook. The anastomosis device may further include at least two additional attachment points for securing the graft to the riser portion.