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1. WO2020195518 - ENDOSCOPE

Publication Number WO/2020/195518
Publication Date 01.10.2020
International Application No. PCT/JP2020/008093
International Filing Date 27.02.2020
IPC
G02B 23/24 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
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
A61B 1/12 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
12with cooling or rinsing arrangements
Applicants
  • HOYA株式会社 HOYA CORPORATION [JP]/[JP]
Inventors
  • 渡辺 俊貴 WATANABE, Toshiki
Agents
  • 河野 英仁 KOHNO, Hideto
  • 河野 登夫 KOHNO, Takao
Priority Data
2019-06143127.03.2019JP
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) ENDOSCOPE
(FR) ENDOSCOPE
(JA) 内視鏡
Abstract
(EN)
Provided is an endoscope (10) having a protruding observation-optical system at the end of an insertion part, wherein: the endoscope comprises an air/water blowing nozzle (140) for jetting a washing fluid toward the observation-optical system; and the air/water blowing nozzle (140) includes a plurality of emission ports (141) from which the fluid is emitted in directions which do not mutually cross.
(FR)
L'invention concerne un endoscope (10) qui comprend un système optique d'observation en saillie au niveau de l'extrémité d'une partie d'insertion. L'endoscope comprend une buse de soufflage d'air/eau (140) pour projeter un fluide de lavage vers le système optique d'observation ; et la buse de soufflage d'air/eau (140) comprend une pluralité d'orifices d'émission (141) à partir desquels le fluide est émis dans des directions qui ne croisent pas mutuellement.
(JA)
挿入部の先端に凸形状の観察光学系を有する内視鏡(10)において、前記観察光学系に向けて洗浄用の流体を噴射する送気送水ノズル(140)を備え、送気送水ノズル(140)は、互いに交差しない方向に前記流体が出射する複数の出射口(141)を有する。
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