Pulmonary artery and pulmonary valve replacement stent device having the stent pulmonary

The present invention discloses a pulmonary artery and pulmonary valve replacement stent device having the stent of the pulmonary artery, the pulmonary artery stent, comprising a tubular supporting grid, and the grid connected to the supporting axial ends and radially expanded shape flared inflow section and the outflow section, said support grid portion adjacent the outflow section having a first plurality of circumferentially around the cell distribution of the outflow section is constituted by a plurality of circumferentially about the support grid distribution strip is positioned successively, each positioning Article outflow direction towards the middle of the bend, the apex of the two ends of the first cells spaced positioning of each bar is connected. The pulmonary valve replacement device, comprising the pulmonary stents, prosthetic valve and secured to the support of the inner grid. Pulmonary artery stent of the present invention, damage to the blood vessel easily and with less effect on blood flow barrier.