Table II.
In vitro measured aerosolization performance.
| Description | Case 1 | Case 2 | Case 3 | Case 4 | Case 5 | Case 3 vertical a |
|---|---|---|---|---|---|---|
| MMAD (μm) | 1.56 (0.01) | 1.89 (0.10) | 1.77 (0.08) | 1.57 (0.04) | 1.64 (0.09) | 1.84 (0.05) |
| FPF < 5μm/ED (%) | 97.8 (0.1) | 95.4 (1.9) | 95.2 (0.4) | 95.5 (1.2) | 93.4 (1.3) | 93.8 (1.1) |
| FPF < 1μm/ED (%) | 23.9 (0.5) | 18.6 (0.5) | 20.2 (1.7) | 22.5 (0.8) | 23.0 (4.3) | 21.8 (1.0) |
| GSD | 1.80 | 1.85 | 1.87 | 1.80 | 1.86 | 1.98 |
| ED (%) | 63.1 (4.8) | 58.8 (7.7) | 84.6 (6.3) | 44.8 (4.8) | 57.3 (4.9) | 85.1 (1.8) |
Mean aerosol characteristics with standard deviations (SD) shown in parenthesis (n=3).
a
DAC unit was operated in the vertical position as shown in Figure 2b, with all other cases evaluated in the horizontal position.