title: A new face-mounted display system: pilot trial of clinical application in therapeutic endoscopy.
abstract: OBJECTIVE
  Since fiber endoscopes evolved into video endoscopes, there has been no remarkable progression in the optical system for endoscopy. The current optical system provided by fixed cathode-ray tube (CRT) display is a monitor-oriented system. In this study, we evaluate the practical usefulness of the face-mounted display (FMD), which provides us with an operator-oriented optical system.
  
  
  METHODS
  The FMD device, weighing 110 g, is designed for consumer video home use, consisting of two active matrix liquid crystal color panels with 180,000-pixel resolution. With the picture-in-picture capability, FMD provided us with image-navigated endoscopic procedure. Fourteen patients were enrolled in this study; seven patients for endoscopic mucosal resection, two for insertion of an esophageal metallic stent, three for clipping for the bleeding and two for dilatation of anastomotic strictures.
  
  
  RESULTS
  The FMD device allowed us to use an ultra large screen as if there has been a 62-inch screen 2 m ahead. During endoscopy, we could concentrate more on the procedures. There were no complications attributable to the use of the device.
  
  
  CONCLUSIONS
  We are convinced of a new evolution in the optical system for therapeutic endoscopy with the FMD device.
authors.affiliation: First Department of Surgery, Tokyo Medical and Dental University, Japan. t.yoshida@libra.bekkoame.ne.jp
authors.forename: T
authors.initials: T
authors.lastname: Yoshida
authors.forename: H
authors.initials: H
authors.lastname: Inoue
authors.forename: T
authors.initials: T
authors.lastname: Iwai
mesh_terms: D020776:Endoscopes, Gastrointestinal; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D004867:Equipment Design; D005145:Face; D006801:Humans; D010865:Pilot Projects