Title:
OPTICAL FIBER BUNDLE AND ILLUMINATION DEVICE FOR ENDOSCOPE USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/208245
Kind Code:
A1
Abstract:
This illumination device (10) for an endoscope includes an LED light source (50) having a rectangular light-emitting surface (52) formed substantially flat, 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 for the endoscope. The optical fiber bundle (30) is constituted by bundling a plurality of optical fibers (32). In the optical fiber bundle (30), the contour of the arrangement of the plurality of optical fibers (32) on the light-incidence end surface (42) arranged to face the light-emitting surface (52) of the LED light source (50) forms a rounded square shape.
Inventors:
TAKAGI HIROKI (JP)
Application Number:
PCT/JP2016/059736
Publication Date:
December 29, 2016
Filing Date:
March 25, 2016
Export Citation:
Assignee:
OLYMPUS CORP (JP)
International Classes:
G02B6/04; A61B1/00; A61B1/06; F21V8/00
Domestic Patent References:
| WO2012002029A1 | 2012-01-05 |
Foreign References:
| US20140153880A1 | 2014-06-05 | |||
| JP2009212287A | 2009-09-17 | |||
| JP2008011991A | 2008-01-24 | |||
| JP2007148418A | 2007-06-14 | |||
| JPH04182691A | 1992-06-30 | |||
| JP2013051375A | 2013-03-14 | |||
| JP2014229759A | 2014-12-08 |
Attorney, Agent or Firm:
KURATA, Masatoshi et al. (JP)
Masatoshi Kurata (JP)
Masatoshi Kurata (JP)
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