Title:
OPTICAL ADAPTER FOR ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2017/104427
Kind Code:
A1
Abstract:
This optical adapter for an endoscope is provided with: a plurality of incident optical systems that are arranged so as to be eccentric, each optical axis being spaced apart at a fixed interval from the optical axis of the optical adapter for an endoscope; an aperture diaphragm that corresponds to the plurality of incident optical systems; and a relay lens for relaying incident light guided to the plurality of incident optical systems to the aperture diaphragm. This optical adapter is configured as follows: in sequence from the front side along the incident direction of the incident light, disposed are the plurality of optical systems, the relay lens, and the aperture diaphragm; and a front-side light-blocking part provided on the front side of the relay lens is included.
Inventors:
ICHIHASHI MASAKI (JP)
Application Number:
PCT/JP2016/085727
Publication Date:
June 22, 2017
Filing Date:
December 01, 2016
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
A61B1/00; G02B23/24; G02B23/26
Foreign References:
| JPH116967A | 1999-01-12 | |||
| JP2001147382A | 2001-05-29 | |||
| JP2014160240A | 2014-09-04 | |||
| JPH09127435A | 1997-05-16 |
Attorney, Agent or Firm:
TANAI Sumio et al. (JP)
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