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Title:
OCCLUDER
Document Type and Number:
WIPO Patent Application WO/2023/160665
Kind Code:
A1
Abstract:
Disclosed is an occluder, made of a degradable material and comprising a net-shaped framework and a locking member; the net-shaped framework comprises an upper disc surface, a waist part and a lower disc surface which are formed in sequence, the lower disc surface is provided with a melt tail end of the net-shaped framework, and a limiting through hole is formed in the melt tail end; the locking member comprises a tensioning part and a locking part, the tensioning part is radial, a diffusion end of the tensioning part is connected to the upper disc surface, a contraction end of the tensioning part is connected to the locking part, a locking ring is provided at the proximal end of the locking part, the diameter of the locking ring is greater than that of the distal end of the limiting through hole, and the locking ring can be slotted into/penetrate out of the limiting through hole in the melt tail end by means of deformation. The occluder provided by the present invention is not easy to fall off and has a good occlusion effect.

Inventors:
CHEN JUAN (CN)
HU JINPENG (CN)
WANG YUNBING (CN)
WANG FAN (CN)
LIU CAN (CN)
LIU DEZHONG (CN)
QIN YONGWEN (CN)
PAN XIANGBIN (CN)
Application Number:
PCT/CN2023/078248
Publication Date:
August 31, 2023
Filing Date:
February 24, 2023
Export Citation:
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Assignee:
SHANGHAI SHAPE MEMORY ALLOY CO LTD (CN)
International Classes:
A61B17/12
Foreign References:
CN114587472A2022-06-07
CN111297412A2020-06-19
CN104116574A2014-10-29
CN204181658U2015-03-04
CN110432935A2019-11-12
US20150051641A12015-02-19
Attorney, Agent or Firm:
BEIJING WANHUIDA LAW FIRM (CN)
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