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Specifications of New Valve Technology (NVT) Allegra transcatheter valve.
| NVT 23 | NVT 27 | NVT 31 | |
|---|---|---|---|
| Frame height [mm] | 37.3 | 41.3 | 43.0 |
| Inflow diameter [mm] | 23.8 | 27.4 | 31.0 |
| Outflow diameter [mm] | 20.8 | 24.0 | 24.0 |
| Tissue annulus diameter [mm] | 19–22 | 22–25 | 25–29 |
