Title:
ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2019/234982
Kind Code:
A1
Abstract:
This endoscope (1) is provided with: an illumination optical system (7) made of a transparent medium that transmits illumination light emitted from a light source and directs the illumination light to an object (S); an objective optical system (9) that collects light from the object (S) irradiated with the illumination light; and a leading end frame (3) which is made of a scattering medium and in which the illumination optical system (7) and the objective optical system (9) are placed. The illumination optical system (7) allows a portion of the illumination light having passed through the illumination optical system (7) to reach the object (S) indirectly via the leading end frame (3) and allows another portion thereof to reach the object (S) directly without passing through the leading end frame (3).
Inventors:
INOUE TAKAHIRO (JP)
OZAO AKIHIKO (JP)
OZAO AKIHIKO (JP)
Application Number:
PCT/JP2019/005999
Publication Date:
December 12, 2019
Filing Date:
February 19, 2019
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/07; G02B23/26
Domestic Patent References:
| WO2016181724A1 | 2016-11-17 |
Foreign References:
| JPH01209417A | 1989-08-23 | |||
| US20170078583A1 | 2017-03-16 |
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
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