Title:
LEAD PUNCTURE NEEDLE
Document Type and Number:
WIPO Patent Application WO/2019/019242
Kind Code:
A1
Abstract:
A lead puncture needle (100), comprising a core rod (1), a puncture needle (2), a lead mechanism (4), and a handle (5), a front end of the core rod (1) comprising a blunt tip (11) and a lead groove (12). When puncturing, the puncture needle (2) is exposed to implement puncture. After puncturing is finished, the blunt tip (11) of the core rod (1) extends out of the puncture needle (2), preventing damage to normal tissue. When a button (45) is pressed down, the core rod (1) moves downward, and the lead groove (12) extends out from inside the puncture needle (2). When the button (45) is pressed down again, the core rod (1) moves upward, and the lead groove (12) is returned inside the puncture needle (2), forming traction of the surgical line. The design of the retractable rounded blunt tip (11) ensures retraction of the blunt tip (11) when puncturing, exposing the puncture needle (2) to facilitate puncturing, and also controls the exposure of the blunt tip (11) outside the puncture needle (2) during the process of submersion and separating, effectively avoiding accidental damage to the surrounding tissue caused by a sharp tip during the submersion and separating process; use is safer and the rounded blunt tip (11) can reduce the friction of movement during the submersion process, so that submersion is smoother.
Inventors:
ZHOU XING (CN)
Application Number:
PCT/CN2017/099205
Publication Date:
January 31, 2019
Filing Date:
August 26, 2017
Export Citation:
Assignee:
ZHOU XING (CN)
International Classes:
A61B17/06
Foreign References:
| CN203089250U | 2013-07-31 | |||
| CN206197988U | 2017-05-31 | |||
| CN103610479A | 2014-03-05 | |||
| CN101721235A | 2010-06-09 | |||
| US9017361B2 | 2015-04-28 |
Other References:
See also references of EP 3659528A4
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