An endoscope with a flexible inserted portion intended for the visual examination of the upper airway structures which include the nasal passages, nasopharynx, oropharynx, and the larynx. It is inserted into the body through the mouth or a nostril and can be used for treatment if it has a working channel. Anatomical images are transmitted to the user by a video system with an image sensor chip at the distal end of the endoscope and the images showing on a monitor. This is a single-use device.