Implant and components for forming implant

Through the combined structure of self-tightening knot and leaflet anchoring ring, combined with the papillary muscle anchoring element, the problem of interventional artificial tendon chondrome and leaflet fixation is solved, and stable fixation and rapid endothelialization without metal implantation is achieved, reducing the risk of surgical trauma and leaflet tear, and improving the treatment effect.

CN114052986BActive Publication Date: 2025-08-22HANGZHOU DAWNEO MEDICAL TECH CO LTD
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Patent Information

Application Number
CN202010769208.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-08-03
Publication Date
2025-08-22
Estimated Expiration
2040-08-03

AI Technical Summary

Technical Problem

In the prior art, the fixation method of interventional artificial chondrome and mitral valve leaflets is insufficient, the lubricity of the material makes it difficult to firmly connect, and the metal anchoring method may cause leaflet tear and immune response, affecting the treatment effect and patient health.

Method used

The combined structure of self-tightening junction and leaflet anchoring ring is adopted, combined with the papillary muscle anchoring element, and the artificial tendon chondrup is fixed with the leaflet through intervention to avoid metal implantation, and materials such as polytetrafluoroethylene are used to reduce friction and trauma.

Benefits of technology

It achieves stable fixation without metal implantation, reduces surgical trauma, reduces the risk of leaflet tear, improves the stability of the treatment effect and endothelialization speed, and avoids metal allergic reactions.

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Abstract

The present invention relates to the field of medical devices, and in particular to an implant and a component for forming the implant, wherein the implant comprises an artificial chord and a papillary muscle anchoring element, wherein the artificial chord comprises an artificial chord body and a self-tightening structure for anchoring the valve leaflets formed at one end of the artificial chord body, and the other end of the artificial chord body is connected to the papillary muscle anchoring element. The implant of the present invention optimizes the valve leaflet fixation method of the artificial chord prosthesis, and can complete the fixation of the artificial chord and the valve leaflet through interventional surgery, without the need for thoracotomy, with minimal surgical trauma and rapid patient recovery. The self-tightening knot will not shift, reducing the friction between the knot and the valve leaflet, resulting in a small anchoring wound, minimal damage to the native valve leaflet, good anchoring effect, and stable reflux treatment effect; at the same time, it is conducive to the rapid endothelialization of the implant, better endothelialization effect, and will not change the anatomical morphology of the valve leaflet.
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