An Operable, Portable, and Disposable Ultrathin Endoscope for Evaluation of the Upper Gastrointestinal Tract.

The new DE enabled easy observation of the entire esophagus owing to its improved maneuverability, and its diagnostic ability of esophageal diseases was comparable to that of conventional endoscopes. Non-sedated esophagoscopy with this disposable device potentially has widespread applications in outpatient clinics and areas without endoscopic facilities.