Transoral incisionless fundoplication in which stomach and oesophagus are stapled through mouth rather than through abdominal incisions. LINX magnetic sphincter device is another approach in which a magnetic ring encircles the esophageal sphincter. A food bolus separates the components of the magnetic ring and the attraction of ring components after a meal prevents acid reflux.The Stretta procedure uses radiofrequency energy and an endoscope to treat GERD.