An endoprosthetic device comprises a tubular main body having a length including proximal and distal portions, the tubular main body having a flexible portion between the proximal and distal portions, and at least one adjustable length docking branch extending laterally from the tubular main body, and having sections bearing a tab or loop graspable by a user, and optionally further having at least one auxiliary branch, and at least one access branch, for assembly with at least one tubular branch body having a laterally extending access branch, using a delivery system including a delivery shaft, and a retrieval capsule and corresponding press-fit retrieval pin and retrieval wire, wherein the delivery shaft is provided with a pivotal slotted housing serving as a user handle for the delivery shaft.
