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1. (WO2019049737) LIGHTING UNIT FOR ENDOSCOPE, AND ENDOSCOPE
Latest bibliographic data on file with the International BureauSubmit observation

Pub. No.: WO/2019/049737 International Application No.: PCT/JP2018/031837
Publication Date: 14.03.2019 International Filing Date: 28.08.2018
IPC:
A61B 1/07 (2006.01) ,A61B 1/00 (2006.01) ,G02B 23/26 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
1
Instruments 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
06
with illuminating arrangements
07
using light-conductive means, e.g. optical fibres
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
1
Instruments 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
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
23
Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
24
Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
26
using light guides
Applicants:
オリンパス株式会社 OLYMPUS CORPORATION [JP/JP]; 東京都八王子市石川町2951番地 2951 Ishikawa-machi, Hachioji-shi, Tokyo 1928507, JP
Inventors:
本田 一樹 HONDA Kazuki; JP
Agent:
伊藤 進 ITOH Susumu; JP
Priority Data:
2017-17401711.09.2017JP
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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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)