Table 4 Different modalities used in different devices to check that the product was actually delivered
Breezhaler® | Handihaler® | Respimat® | Genuair® | Diskus® | Turbohaler® | |
|---|---|---|---|---|---|---|
Auditory certainty | YES | NO | NO | YES | NO | NO |
Gustatory certainty | YES | YES | NO | NO | NO | NO |
Visual certainty | YES (capsule empty) | NO | Indirect (Plume) | Indirect (window) | NO | NO |