Patent ID: 8066715

Claim:
A medical system for use in a digestive system of a mammalian patient, the medical system comprising: a stent having a magnetic element connected to an end of the stent; and a retrieval device having a magnetic member and a tail, the tail including a sheet and a plurality of tethers connecting the sheet to the magnetic member to form a parachute, the retrieval device detached from the stent and sized to be ingested in its entirety by the mammalian patient; at least one of the magnetic element and magnetic member having a magnet, the magnetic member capable of being magnetically coupled to the magnetic element of the stent for removal of the stent from the mammalian patient; wherein coupling of the magnetic element and the magnetic member permits removal of the stent from a body lumen of the digestive system of the mammalian patient through natural forces of the digestive system acting on the retrieval device when the stent is disposed within the body lumen.