The shape-memory Nitinol Coils are delivered straight into sub-segmental airways through a therapeutic bronchoscope and recover their double-loop shape upon deployment. 

While other endoscopic treatment approaches focus only on reducing lung volume by blocking or collapsing parts of the emphysematous lung (atelectasis), the Coil treatment has a unique mechanism of action.  The Coils are designed to:

When your patients with severe emphysema are experiencing worsening symptoms despite optimal medical, including drug therapy, supplemental oxygen, smoking cessation, and pulmonary rehabilitation, then they should be referred to a pulmonary center where they can be fully evaluated to confirm their candidacy for Coil treatment.