US Patent 10188514 Transcatheter valve prosthesis

A heart valve system, the system including a radially self-expandable tubular body, a valve, and a tubular fabric. The tubular body having an inflow end and an outflow end. The valve being coupled to the tubular body and including a plurality of valve leaflets. The valve leaflet being supported by only two beams of the plurality of beams, and connection points linking the inflow end of the tubular body and the plurality of beams. A number of connection points being equivalent to a number of the valve leaflets. Additionally, each beam of the plurality of beams being directly connected to an adjacent beam so that the plurality of beams extends the entire circumferential length of the tubular body at the outflow end.