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:
Apr. 04, 2017
Filed:
Aug. 31, 2016
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Tomohiro Sekikawa, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A needle tip section of a biopsy needle includes a first beveled surface having a plane extended across a tube axis of a tubular section, a second beveled surface adjacent to and forming an angle with the first, having a plane adjacent to an inner circumferential surface of the tubular section, a third beveled surface adjacent to and forming an angle with the first beveled surface, opposite the second, with an opening portion interposed therebetween and having a plane adjacent to the inner circumferential surface of the tubular section, a first boundary line between the first and second beveled surfaces, and a second boundary line between the first and third beveled surfaces, and the first and second boundary lines are non-parallel straight lines having an interval that gradually increases in a direction from the second toward the first end portion in a tube axis direction of the tubular section.