Title:
FIXING STRUCTURE OF HEART VALVE PROSTHESIS
Document Type and Number:
WIPO Patent Application WO/2022/257702
Kind Code:
A1
Abstract:
The present invention relates to the technical field of medical instruments, and in particular to a fixing structure of a heart valve prosthesis. The fixing structure comprises a support member and a tether fixing member. The side of the support member that faces the heart is provided with a flexible coating layer, and the side thereof that is away from the heart is provided with a fixing end, and a valve tether passes through the center of the support member, is wound around the fixing end, and is fixedly connected to the tether fixing member. According to the present invention, the fixing structure is simple, is convenient to operate, has an increased contact area between the tether and the organ, and greatly reduces the risk of bleeding or tearing at the wound site. The device can also be used for anchoring at a puncture or opening formed by other medical instruments during surgery.
Inventors:
LIANG YUCHEN (CN)
Application Number:
PCT/CN2022/092578
Publication Date:
December 15, 2022
Filing Date:
May 13, 2022
Export Citation:
Assignee:
QICHEN SHANGHAI MEDICAL EQUIPMENT CO LTD (CN)
International Classes:
A61F2/24
Foreign References:
| CN216603194U | 2022-05-27 | |||
| CN113262079A | 2021-08-17 | |||
| CN114028032A | 2022-02-11 | |||
| CN105555231A | 2016-05-04 | |||
| CN210056341U | 2020-02-14 | |||
| US20200282204A1 | 2020-09-10 | |||
| US6406420B1 | 2002-06-18 | |||
| US20130030522A1 | 2013-01-31 | |||
| CN109745149A | 2019-05-14 | |||
| CN109602524A | 2019-04-12 |
Attorney, Agent or Firm:
KG INTELLECTUAL PROPERTY LAW FIRM (CN)
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