Title:
内視鏡及び内視鏡装置
Document Type and Number:
Japanese Patent JP7229142
Kind Code:
B2
Abstract:
An endoscope includes: an imaging unit that is incorporated in a distal tip of an insertion tube and images an observed site through an observation window; a plurality of first LEDs juxtaposed outside the imaging unit; and a plurality of second LEDs juxtaposed outside a region where the first LEDs are juxtaposed. The region where the first LEDs are juxtaposed and a region where the second LEDs are juxtaposed are covered with a light distribution lens, light emission of the first LED is output to an angular range smaller than a viewing angle of the imaging unit through the light distribution lens, and light emission of the second LED is output to an angular range smaller than the viewing angle of the imaging unit through the light distribution lens.
Inventors:
Toshiki Watanabe
Yoshiyuki Niijima
Yoshiyuki Niijima
Application Number:
JP2019185359A
Publication Date:
February 27, 2023
Filing Date:
October 08, 2019
Export Citation:
Assignee:
HOYA CORPORATION
International Classes:
A61B1/06; A61B1/00; A61B1/045; A61B1/05; A61B1/07
Domestic Patent References:
| JP2012075562A | ||||
| JP5297288A | ||||
| JP2016202441A | ||||
| JP2006034543A | ||||
| JP2001258823A | ||||
| JP2005073708A | ||||
| JP2011024901A | ||||
| JP2009219573A | ||||
| JP2019130049A | ||||
| JP2004321244A |
Foreign References:
| WO2016203626A1 |
Attorney, Agent or Firm:
Hidehito Kono
Tono Kono
Tono Kono
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