Artificial valve includes Support frame, valve arrangement, baffle arrangement. Support frame limits inner cavity. Valve arrangement is arranged in the lumen, defines inflow side and outflow side. Form the outflow side of lumen downstream in a kind of outflow track, and along these fluids from the progress of valve mechanism. It the downstream outflow side of baffle arrangement and stand frame and is configured as causing bumpy flow, such as includes collar vortex. In certain embodiments, artificial valve is that there are three the valves of leaflet through conduit prosthetic mitral valve tool.
