Angelchik J P, Cohen R
Surg Gynecol Obstet. 1979 Feb;148(2):246-8.
A procedure for the treatment of sliding esophageal hiatal hernia and gastroesophageal reflux has been successfully and safely performed upon 46 patients. It is based on the placement of a ringlike silicone prosthesis around the lower part of the esophagus, below the diaphragm.