Table 4 Falls in percentage from 100% oxygen after five actuations of pMDIs into four ventilator delivery devices
From: Asthma pressurised metered dose inhaler performance: propellant effect studies in delivery systems
5× Duolin™ 45 ml (O2 %) | 5× Respigen™ 60 ml (O2 %) | 5× Vannair™ 45 ml (O2 %) | 5× Intal™ 67.5 ml (O2 %) | |
|---|---|---|---|---|
L-Trace™ | 88 | 87 | 89 | 81 |
Spirale™ | 86 | 87 | 89 | 82 |
Intersurgical™ | 87 | 86 | 87 | 79 |
RT 200 (ventilator tubing) | 90 | 91 | 93 | 91 |