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:
Mar. 05, 2019
Filed:
Apr. 13, 2017
Olympus Corporation, Tokyo, JP;
Fuminori Wake, Yokohama, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
An insertion portion mounted tool of an insertion instrument includes: an expansion and retraction section provided on an outer circumferential side of an insertion portion so as to be movable forward and backward in a longitudinal direction, and configured to be expanded in the subject by an operation from outside of the subject to thereby be held by an inner wall of the subject; a positioning portion that defines a range in which the expansion and retraction section is movable forward and backward in the longitudinal direction with respect to the insertion portion; and a rotational movement restriction portion that restricts an angle in which the expansion and retraction section is rotationally moved in an outer circumferential direction on an outer circumference of the insertion portion.