Electronic endoscope system

Electronic endoscope system

  • CN 106,388,759 B
  • Filed: 01/17/2011
  • Issued: 09/04/2020
  • Est. Priority Date: 02/10/2010
  • Status: Active Grant
First Claim
Patent Images

1. An electronic endoscope system comprising:

  • a light source that emits light including at least a visible light band;

    a filter configured to highlight a blood vessel and capable of simultaneously capturing the blood vessel and an organism other than the blood vessel;

    a color solid-state imaging device that receives reflected light from a subject illuminated by the illumination light passed through the filter; and

    an image generation device that generates a color image that can be displayed on a monitor by processing an imaging signal output from the solid-state imaging device,wherein the optical filter is one having at least two pass bands, having a transmittance distribution satisfying one of the following conditions

         1) and


    1) having transmission peaks in the two pass bands of 380nm to 420nm and 470nm to 490 nm;

    2) having transmission peaks at two pass bands of 380nm to 420nm and 550nm to 560 nm.

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