| 摘要 |
A heart valve is disclosed which includes a valve body and a plurality of flexible leaflets coupled to the valve body. The plurality of leaflets can have an open position and a closed position. Each of the plurality of leaflets can comprise a belly when the plurality of leaflets are in their respective closed positions. The belly of one or more of the plurality of leaflets preferably has a continuous curvature except for two or more features.
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