A luminal prosthesis comprises a first part which is adapted to be retained in a lumen and a second part which is connected to the first part such that a force applied to the second part is at least partially isolated from the first part. The second part may be adapted for mounting of a device such as a valve. A connector between the first part and the second part may comprise at least one tether and/or at least one strut and/or at least one wire. In one case the first part and the second part are formed from a single precursor such as one continuous stent which is folded to form the first part and the second part.
