An accurate and cost effective case selection or screening device that identifies potential cases of COPD
. Identifies those at risk of COPD at the pre-symptomatic stage
. Screens out those with normal FEV1,without the risk of false negatives
. Displays the key parameters for clinical interpretation including obstructive index and COPD classification (stage I – IV)
. Displays FEV1, FEV6, ratio and % predicted, obstructive index, COPD classification and lung age
. Detachable flowhead
. Blow quality indicator
