BASICS: The Leaflets
- The tri-leaflet valve is mounted within the nitinol frame to three commissural posts.
- The leaflets which rise to 26 mm at the three commissural insertion points can end up positioned directly in front of the coronary ostium.

- The three leaflets are attached to valve frame via three commissural tabs with a 3mm pledget 120 degrees apart.
- The leaflets rise to just below the top of the frame.
