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(a) Schematic showing the six design parameters of unloaded leaflet, Rb: radius of the base, Rc: radius of the commissures, H: valve height, Hs: height of the commissures, β: angle of the open leaflet to vertical, γ: angle between two neighboring coaptation surfaces (Thubrikar, 1990). (b) Top down view of displacement applied on the leaflet attachment. (c) Design flowchart for optimal leaflet shape
