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Capsule endoscope

  • US 7,022,066 B2
  • Filed: 01/28/2003
  • Issued: 04/04/2006
  • Est. Priority Date: 03/08/2002
  • Status: Expired due to Term
First Claim
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1. A capsule endoscope, comprising:

  • a transparent cover member;

    an image sensor that is fixed to a substrate and covered by the transparent cover member, said image sensor detecting images that are formed on a surface within an imaging area, and outside of the imaging area lies a periphery portion;

    an objective optical system; and

    a transparent dome arranged in front of the objective optical system that is sealed in an airtight and watertight manner to a rear portion of the capsule endoscope;

    whereinthe transparent cover member is either fixed to the substrate or to said periphery portion such that a space is provided between the surface of the imaging area and the transparent cover member; and

    a single lens frame, in a part of the capsule that is near the transparent dome, supports the objective optical system, with the lens frame having a light-blocking effect.

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