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. 04, 2017
Filed:
Nov. 17, 2016
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Tomohiko Mamiya, Kawasaki, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A puncture needle for an endoscope includes a flexible sheath having a longitudinal axis and deformed to be bent by a raising base, a flexible needle tube having a needle tip and a distal opening section and that is movable in the sheath with respect to the sheath, and a stylet having a distal end surface that is able to advance and retreat in the needle tube and protrude and withdraw from needle tube along the longitudinal axis of the sheath, wherein the stylet retracts the needle tip such that the needle tip of the needle tube is separated from an inner surface of the sheath as the distal end surface of the stylet comes in contact with the inner surface of the sheath formed in the bent shape.