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:
Jul. 31, 2018
Filed:
Sep. 15, 2016
Olympus Corporation, Tokyo, JP;
Naomi Matsuo, Hachioji, JP;
Suguru Okaniwa, Hachioji, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An endoscope conduit switching apparatus configured to have a cylinder to which a plurality of conduits provided in an endoscope are connected, a piston that is fitted and inserted into the cylinder to be capable of advancing and retreating, and an urging member that urges the piston to the normal position, and switch communication states of the plurality of conduits, includes: a seal member configured to isolate the gas flow conduit from an outside, when the piston is in the normal position, and a leak portion configured to be provided on the wall face of the other one, and open the gas flow conduit to the outside in a space between the cylinder and the piston when the piston is in a position that closes the liquid flow conduit and allows the gas flow conduit to be continuous.