Heart valve comprising a crown piece interconnected to leaflets, a top cuff and a bottom cuff； and a medical implant. The present invention relates to a heart valve (100), comprising at least two leaflets (101, 101′；, 101″；)； at least one crown piece (111) interconnected to the leaflets (101, 101′；, 101″；) and intended to be interconnected to a frame (1) of a medical implant or a heart valve assembly； a top cuff (121)； and a bottom cuff (131), the crown piece (111), the top cuff (121) and the bottom cuff (131) each being ring-shaped, and each of the top cuff (121) and the bottom cuff (131) being interconnected with the crown piece (111).
