DUODENAL LINER DEVICE AND METHODS AND DEVICES FOR RESTRICTING THE PASSAGE OF CHYME FROM THE STOMACH

摘要

Disclosed are duodenal liner devices including a liner tube and a bore-changing component configured to reversibly change the size of the bore of a portion of the liner lumen of the liner tube. Disclosed are also restriction devices configured for deployment in a duodenum to restrict the passage of chyme from the stomach to the downstream portions of the digestive tract.