Esophagus device is used to approve, diagnose, and with characterization, or mitigates UES anatomy, physiology or the function of impact exception or defect. In one implementation, oesophagus device measurement UES react oesophagus fluid infusion detection or characterization exception or defect UES anatomy, physiology or function. A kind of esophageal sphincter compression device mitigates UES anatomy, physiology or the function of impact exception or defect for increasing intracavitary top esophageal sphincter pressure patient in order.