The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 26, 2024
Filed:
Mar. 13, 2020
Hoya Corporation, Tokyo, JP;
Toshiki Watanabe, Tokyo, JP;
HOYA CORPORATION, Tokyo, JP;
Abstract
An endoscope, which is provided with an observation optical system provided at the tip of an insertion portion and a connecting pipe portion for sending a fluid onto the observation optical system side, includes a small diameter portion which has one end opening to which a fluid from the connecting pipe portion flows and has a diameter smaller than the connecting pipe portion, a lid portion which covers the other end opening of the small diameter portion, and a guide wall which is provided inside the lid portion to be separated from an edge of the other end opening in a radial direction of the other end opening and guides the fluid from the small diameter portion to an outlet.