Title:
CALCULATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2017/145529
Kind Code:
A1
Abstract:
A calculation system is provided with: a single light source device for emitting illumination light; a wavelength selector for selecting light of at least two specific wavelength bands contained in the illumination light; an imaging element that receives light from biological tissue, i.e. the object of imaging, and outputs a pixel signal corresponding to the received light; and a signal processing unit for performing prescribed signal processing upon the pixel signal outputted by the imaging element. In this configuration, the signal processing unit calculates an indicator of the concentration of a prescribed biological substance in the biological tissue, calculation being performed on the basis of the pixel signal outputted, in response to the light of at least two specific wavelength bands, by the imaging element.
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Inventors:
CHIBA TORU (JP)
Application Number:
PCT/JP2017/000397
Publication Date:
August 31, 2017
Filing Date:
January 10, 2017
Export Citation:
Assignee:
HOYA CORP (JP)
International Classes:
A61B1/00; G02B23/24
Domestic Patent References:
| WO2012124227A1 | 2012-09-20 |
Foreign References:
| JP2016022043A | 2016-02-08 | |||
| JP2003527916A | 2003-09-24 |
Attorney, Agent or Firm:
MATSUOKA, Shuhei et al. (JP)
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