Title:
ENDOSCOPE SYSTEM, PROCESSOR DEVICE AND IMAGE DISPLAY METHOD
Document Type and Number:
WIPO Patent Application WO/2013/035694
Kind Code:
A1
Abstract:
The present invention enables the display of a highly reliable image where the degree of oxygen saturation of hemoglobin in blood is accurately imaged. An endoscope system, wherein a reflected image of a narrow band light, said narrow band light having a wavelength range showing a change in extinction coefficient with a change in the degree of oxygen saturation of hemoglobin in blood, is captured with a color image pick-up device (60) to give a blue signal (B1), a green signal (G1) and a red signal (R1). A reflected image of white light is captured with a color image pick-up device to give a blue signal (B2), a green signal (G2) and a red signal (R2). On the basis of the blue signal (B1), green signal (G2) and red signal (R2), the degree of oxygen saturation alone is determined from among multiple kinds of biofunctional information including blood amount and the degree of oxygen saturation. This degree of oxygen saturation is imaged to give an image of the degree of oxygen saturation.
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Inventors:
SAITO TAKAAKI (JP)
Application Number:
PCT/JP2012/072462
Publication Date:
March 14, 2013
Filing Date:
September 04, 2012
Export Citation:
Assignee:
FUJIFILM CORP (JP)
SAITO TAKAAKI (JP)
SAITO TAKAAKI (JP)
International Classes:
A61B1/00; A61B1/04; A61B1/06
Foreign References:
| JPH0417076A | 1992-01-21 | |||
| JP2006181387A | 2006-07-13 | |||
| JPH06315477A | 1994-11-15 | |||
| JPH0380834A | 1991-04-05 | |||
| JPH02279131A | 1990-11-15 | |||
| JP2648494B2 | 1997-08-27 |
Other References:
See also references of EP 2754381A4
Attorney, Agent or Firm:
KOBAYASHI, KAZUNORI (JP)
Kazunori Kobayashi (JP)
Kazunori Kobayashi (JP)
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Claims: