Patent ID: 7771463

Claim:
A system for treating a body organ, the system comprising: an elongate member having a distal portion; a prosthesis comprising a near end, a far end and a structure extending therebetween, where the structure comprises a mesh, lattice, or woven structure having an untwisted configuration and a twisted reduced diameter configuration after rotation of the near and far ends relative to one another in a first direction, the prosthesis further comprising a plurality of near mating portions comprising a plurality of projections extending from one of said ends of said prosthesis and a plurality of far mating portions comprising a plurality of projections extending from the other one of said ends of said prosthesis, the prosthesis structure being in said twisted reduced diameter configuration and releaseably mounted on said elongate member through said near and far mating portions; and a near seat receiving the near mating portions of the prosthesis and a far seat receiving the far mating portions of the prosthesis, said near and far seats being coupled to said elongate member, wherein the near and far mating portions of the prosthesis are nested with the near and far seats such that the near and far ends of the prosthesis are restrained from rotating in a second direction to maintain the prosthesis structure in said twisted reduced diameter configuration.