VisionAir 3D Stent after 13 months of implantation. Note the reduced inflammation, granulation tissue, stent discoloration, and mucus with a fit that matches the left-main bronchus.
Competitor stent in the same patient after only 1 month. This stent was replaced by the 3D Stent on the left. Note the severe granulation tissue around the upper division where another stent migrated out.