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. 18, 2025
Filed:
Nov. 13, 2020
Olympus Corporation, Tokyo, JP;
Kazuya Saiga, Hachioji, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An endoscope conduit switching device includes: a movable piston portion that is movable to be inserted into and removed from a conduit of an endoscope, the movable piston portion including a piston and a packing, the piston being made of resin and extending along a conduit of an endoscope, the piston including a proximal end portion and a small diameter portion thinner than the proximal end portion, the packing being made of an elastic material and being provided on an outer circumference of at least a part of the proximal end portion and on an outer circumference of the small diameter portion, the packing being configured to fill a gap between the piston inserted in the conduit and the conduit.