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. 14, 2026
Filed:
Feb. 22, 2023
Puncture device, puncture system, operation method of puncture device, and usage method of guidewire
Olympus Medical Systems Corp., Tokyo, JP;
Tomofumi Katayama, Kunitachi, JP;
OLYMPUS MEDICAL SYSTEMS CORP., Tokyo, JP;
Abstract
A puncture device comprises an elongate sheath, defining a longitudinal axis direction; a needle tube, carried in the sheath, the needle tube configured to be movable in the longitudinal axis direction; a needle slider, connected to the needle tube; an inner tube, carried in the needle tube, the inner tube defining a lumen configured to receive a guide wire; a tube slider, connected to the inner tube, the tube slider configured to support the inner tube such that the inner tube is movable in the longitudinal axis direction; and a locking member, configured to lock the needle slider relative to the tube slider in a first state and in a second state, wherein: in the first state, a distal end of the inner tube is positioned in the needle tube; and in the second state, the distal end of the inner tube is positioned to protrude from the needle tube.