Sichuan University

Beijing Balance Medical Technology Co., Ltd.

Yingqiang Guo

Lei Jin

Zhihao Fan

Jia Wu

Tiegang Liu

The present invention discloses a one-way limiting expandable artificial heart valve which comprises a valve seat (), a valve leaflet stent () and three valve leaflets () wherein the valve seat () comprises a one-way limiting expandable annular metal seat (), the annular metal seat () is composed of three sections of seat body units (), the head end of each section of seat body unit () is sequentially provided with a first rivet (), a limiting protrusion () and a first long circular groove (), the tail end of each section of seat body unit () is sequentially provided with a second long circular groove (), a second limiting hole () and a first limiting hole (), and a second rivet (), and the artificial heart valve has a normal use original state and a one-way limiting expansion state.

Growing community of inventors

Chengdu, China

Yingqiang Guo