Title:
ASPIRATION CATHETER AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/103996
Kind Code:
A1
Abstract:
The present invention relates to the technical field of medical instruments, and in particular to an aspiration catheter and a preparation method therefor. The aspiration catheter comprises a catheter body and a catheter seat connected to the proximal end of the catheter body; the catheter body comprises an aspiration tube, wherein the aspiration tube comprises a woven layer and a sealing layer provided on the woven layer, and the woven layer is recessed inwards to form an accommodating part; and the catheter body further comprises a guidewire tube provided in the accommodating part. The aspiration catheter according to the present invention has strong bending resistance performance; when the aspiration catheter passes through a bending part, an aspiration cavity would not be recessed inwards, so that an aspiration area and an aspiration rate can be ensured, and the aspiration cavity would not be blocked; in addition, the aspiration tube and the guidewire tube are provided in a split manner, thereby ensuring smooth delivery of a guidewire.
Inventors:
LIU QUANZU (CN)
ZHANG XIONG (CN)
ZHANG XIONG (CN)
Application Number:
PCT/CN2022/136712
Publication Date:
June 15, 2023
Filing Date:
December 05, 2022
Export Citation:
Assignee:
LIFETECH SCIENT SHENZHEN CO (CN)
International Classes:
A61M25/00; A61M25/14; B32B1/04
Foreign References:
| CN217339709U | 2022-09-02 | |||
| CN102335023A | 2012-02-01 | |||
| CN101193679A | 2008-06-04 | |||
| CN104874033A | 2015-09-02 | |||
| CN112057133A | 2020-12-11 | |||
| US20090270800A1 | 2009-10-29 |
Attorney, Agent or Firm:
BEIJING CHEN QUAN INTELLECTUAL PROPERTY LAW FIRM (CN)
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