Title:
OPTICAL FIBER BUNDLE AND LIGHTING DEVICE FOR ENDOSCOPE USING THE SAME
Document Type and Number:
Japanese Patent JP2018134117
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optical fiber bundle that reduces unevenness of lighting used for a lighting device for an endoscope.SOLUTION: A lighting device 10 for an endoscope includes an LED light source 50 having a rectangular light emitting surface 52 formed in a roughly flat surface, and an optical fiber bundle 30 for guiding the light emitted from the LED light source 50 to the tip of an insertion part provided to the endoscope. The optical fiber bundle 30 is configured by bundling a large number of optical fibers 32. The optical fiber bundle 30 is configured so that the contour of the array of the large number of optical fibers 32 on an incident side end face 42 disposed facing the light emitting surface 52 of the LED light source 50 is formed in a round corner rectangle.SELECTED DRAWING: Figure 1
Inventors:
TAKAGI HIROKI
Application Number:
JP2015128763A
Publication Date:
August 30, 2018
Filing Date:
June 26, 2015
Export Citation:
Assignee:
OLYMPUS CORP
International Classes:
A61B1/00; A61B1/06; F21V8/00; G02B6/04; G02B23/26
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Nobuhisa Nogawa
Takashi Mine
Naoki Kono
Katsu Sunagawa
Tadashi Inoue
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi