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1. WO2019049737 - LIGHTING UNIT FOR ENDOSCOPE, AND ENDOSCOPE

Publication Number WO/2019/049737
Publication Date 14.03.2019
International Application No. PCT/JP2018/031837
International Filing Date 28.08.2018
IPC
A61B 1/07 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
06with illuminating arrangements
07using light-conductive means, e.g. optical fibres
A61B 1/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
G02B 23/26 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
23Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
24Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
26using light guides
CPC
A61B 1/00096
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
00064Constructional details of the endoscope body
00071Insertion part of the endoscope body
0008characterised by distal tip features
00096Optical elements
A61B 1/0607
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
06with illuminating arrangements
0607for annular illumination
A61B 1/0669
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
06with illuminating arrangements
0661Endoscope light sources
0669at proximal end of an endoscope
A61B 1/0676
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
06with illuminating arrangements
0661Endoscope light sources
0676at distal tip of an endoscope
A61B 1/07
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
1Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes
06with illuminating arrangements
07using light-conductive means, e.g. optical fibres
G02B 23/2469
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
23Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies
24Instruments ; or systems; for viewing the inside of hollow bodies, e.g. fibrescopes
2407Optical details
2461Illumination
2469using optical fibres
Applicants
  • オリンパス株式会社 OLYMPUS CORPORATION [JP]/[JP]
Inventors
  • 本田 一樹 HONDA Kazuki
Agents
  • 伊藤 進 ITOH Susumu
Priority Data
2017-17401711.09.2017JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) LIGHTING UNIT FOR ENDOSCOPE, AND ENDOSCOPE
(FR) UNITÉ D'ÉCLAIRAGE POUR ENDOSCOPE ET ENDOSCOPE
(JA) 内視鏡用照明ユニット及び内視鏡
Abstract
(EN)
The present invention is provided with: a light guide 90 having a lens 24 for lighting, the lens 24 having a light guide layer 81 and a diffusion layer 82, the light guide 90 also having a front end surface 90s which faces a base end surface 90k and an end surface 81t, causes light to enter the light guide layer 81, and includes an oval shape formed by stretching a circle in a circumferential direction; and a frame body 50 for positioning the lens 24 for lighting and the light guide 90 in a radial direction K so that the entire front end surface 90s faces the end surface 81t.
(FR)
La présente invention comprend : un guide de lumière 90 ayant une lentille 24 pour un éclairage, la lentille 24 ayant une couche de guidage de lumière 81 et une couche de diffusion 82, le guide de lumière ayant également une surface d'extrémité avant 90s qui fait face à une surface d'extrémité de base 90k et une surface d'extrémité 81t, amène la lumière à entrer dans la couche de guidage de lumière 81, et comprend une forme ovale formée par étirement d'un cercle dans une direction circonférentielle ; et un corps de cadre 50 pour positionner la lentille 24 pour l'éclairage et le guide de lumière 90 dans une direction radiale K de telle sorte que toute la surface d'extrémité avant 90s fait face à la surface d'extrémité 81t.
(JA)
導光層81と、拡散層82とを有する照明用レンズ24と、基端面90kと端面81tに対向して照明光を導光層81に入射させるとともに円を周方向に引き延ばしたオーバル形状を含む形の先端面90sとを有するライトガイド90と、先端面90sの全てが端面81tに対向するよう、照明用レンズ24及びライトガイド90を、径方向Kに位置決めする枠体50と、を具備する。 
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