The ResMed Lumis Series VPAP ST (frequently referenced simply as the Lumis 100 or 150 VPAP ST) is a premium non-invasive ventilator designed for non-dependent patients with obstructive or restrictive respiratory conditions. Utilizing a proprietary suite of auto-adjusting algorithms, the device targets unique alveolar ventilation metrics to personalize respiratory support automatically for conditions like severe COPD, neuromuscular disease, and hypoventilation.