Capsule endoscope
AssigneeOlympus Medical Systems Corp.
InventorsTatsuya Orihara, Hitoshi Fukuhori
Life of this patent
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Abstract
A capsule endoscope can prevent any fall of the efficiency of observation by reducing the substance or substances adhering to the outer surface of the front end cover such as food residue and mucus. The capsule endoscope includes a dome-shaped front end cover provided on the outer surface with photocatalytic coating, an image pickup means arranged in the front end cover to pick up images of the inside of an object of examination into which the endoscope is introduced and acquire image information on the inside of the object of examination and a lighting section arranged around the image pickup means within the dome-shaped front end cover.
Claims6
A capsule endoscope comprising:
- a dome-shaped front end cover provided on the outer surface with a hydrophilic coat;
- image pickup means arranged in the front end cover to pick up images of the inside of an object of examination into which the endoscope is introduced and acquire image information on the inside of the object of examination;
- and
- a lighting section arranged around the image pickup means within the dome-shaped front end cover;
- wherein the hydrophilic coat is arranged after arranging a layer of coat film of a material having a refractive index different from the refractive index of the material of the hydrophilic coat on the outer surface of the front end cover.
Dependencies are inferred from the claim text.