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:
Dec. 30, 2025
Filed:
Jul. 07, 2023
Applicant:
Terumo Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masahiro Ishida, Kanagawa, JP;
Assignee:
TERUMO KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 17/34 (2006.01);
U.S. Cl.
CPC ...
A61B 17/3417 (2013.01); A61B 2017/3456 (2013.01); A61B 2017/347 (2013.01);
Abstract
A puncture needle includes: an outer needle including a lumen extending in an axial direction; an outer needle hub joined to a proximal end portion of the outer needle; an inner needle located in the lumen of the outer needle; a switching mechanism configured to switch between a first state in which a needle tip of the puncture needle is sharp and a second state in which the needle tip of the puncture needle is blunt by displacing the inner needle in the axial direction; and a lock mechanism that maintains a position of the inner needle.