<unk>  has been used by bariatric surgeons to further reduce the volume of the small stomach pouch created by gastric bypass procedures. Many patients experience weight regain due to the small stomach pouch stretching over time. The use of an endoscopic procedure to correct this problem is appealing because, if successful, it could reduce risk to the patient that can be associated with more invasive surgical procedures.
StomaphyX
Protomap 
Alloplant
Bromo-Seltzer
COVIran Barekat
Dor procedure
Cidex
Apyrexy