Patent ID: 9335208
Filing Date: 2016-05-10
CPC Classification: A61B,G01J

Claim Text:
1. A scanning endoscope comprising: an optical scanning unit in which an angle at which illumination light is emitted from a leading edge of an insertion portion is changed to scan the emitted illumination light on an object; a plurality of light receiving portions which is circumferentially spaced apart at the leading edge of the insertion portion and receives return light returning from the object as a result of the optical scanning unit scanning the illumination light; a light detection unit that detects an intensity of the return light received by the light receiving portion; a return light selection unit that selects the return light whose intensity, which is detected by the light detection unit, is equal to or smaller than a predetermined threshold; and a storage unit that stores the intensity of the return light selected by the return light selection unit in association with a position where the optical scanning unit scans the illumination light.