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:
Jun. 08, 2016
Olympus Corporation, Tokyo, JP;
Yasuo Hirata, Hachioji, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A heat resistant sheath for endoscope includes a main body sheath into which an insertion portion of an endoscope apparatus is inserted, and into which a cooling fluid is supplied by a cooling device, a sheath distal end portion at which an endoscope distal end portion is arranged, and that is connected to a distal end of the main body sheath, an observation hole formed at a middle part of a circumferential side portion of the sheath distal end portion, and configured to expose an observation window of the endoscope distal end portion to allow observation of an object, and an exhaust hole formed in the circumferential side portion of the sheath distal end portion, on a distal end side with respect to the observation hole, and configured to discharge the cooling fluid in a direction different from an observation direction of the endoscope apparatus.