The esophagus and stomach are accessed using a fiberoptic gastroscope (similar to a colonscope for the colon). The<unk>  device is designed to go down into the stomach with the gastroscope. Once inside the stomach pouch, pleats are formed using polypropylene fasteners to make the pouch smaller.
StomaphyX
Protomap 
Alloplant
Bromo-Seltzer
COVIran Barekat
Dor procedure
Cidex
Apyrexy