Review Article
Guiding Inspiratory Flow: Development of the In-Check DIAL G16, a Tool for Improving Inhaler Technique
Table 2
Example third party dry powder inhaler resistance measures (k
/L⋅min
−1).
| DPI device | Inhaler resistance measures (k/L⋅min−1) [Ref. number] | [23] | [24] | [25] | [26] | [27] | [28] | [29] |
| Breezhaler (Neohaler) | 0.02 | 0.0197 | | | | 0.019 | 0.017 | Clickhaler | | | | 0.0394 | | | | Diskhaler | | | | | 0.032 | | | Diskus (Accuhaler) | | 0.0275 | | 0.0249 | 0.034 | 0.026 | 0.027 | Ellipta | | 0.0275 | | | | | 0.027 | Easyhaler | | | | 0.0424 | | 0.037 | 0.050 | Genuair (Pressair) [Novoliser] | 0.031 | | | | [0.028] | 0.029 | 0.031 | HandiHaler | | 0.0510 | | | | 0.05 | 0.058 | Nexthaler | 0.036 | | | | 0.042 | 0.033 | 0.036 | Spiromax (Respiclick) | | | 0.0313 | | | | | Turbuhaler Pulmicort | | 0.0382 | | 0.0337 | 0.043 | 0.039 | 0.039 | Turbuhaler Symbicort (Flexhaler) | | | 0.0355 | | | 0.033 | 0.035 | Twisthaler | | | | | | | 0.044 |
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Note. Resistances determined by one source may differ from another ( converted from cm H2/L⋅min−1, determined from Figure 2 in [28]).
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