Patent ID: 11896481
Assignee: EDWARDS LIFESCIENCES CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 24:
25. A prosthetic valve with three or more leaflets having an inflow end, an outflow end, and a valve axis extending between the inflow end and the outflow end of the prosthetic valve and comprising:
a leaflet frame assembly including a leaflet frame and a tubular cover, the leaflet frame assembly defining a plurality of leaflet attachment lines extending in a plane that is transverse to the valve axis, the leaflet attachment lines being defined on flat portions of the leaflet frame assembly, the leaflet frame including a flat portion with which the leaflet base forms the line of attachment, the leaflet frame defining a plurality of leaflet windows, the plurality of leaflet windows each defining an isosceles trapezoid and including a leaflet window side and a leaflet window base, the leaflet frame having a cylindrical shape; and
a plurality of leaflets each having a first side, a second side opposite the first side, a leaflet free edge and a leaflet base opposite to the leaflet free edge that is flat and which is coupled to one of the plurality of leaflet attachment lines defined by the leaflet frame assembly along the leaflet base forming a line of attachment along the leaflet frame assembly at the flat portions of the leaflet frame assembly.