Beijing Balance Medical Technology Co., Ltd.

Sichuan University

Tiegang Liu

Lei Jin

Zhihao Fan

Jia Wu

Jiangang Wang

Yingqiang Guo

Chengxiong Gu

The present invention discloses a presettable artificial biological aortic valve which comprises a valve seat (), a valve leaflet stent () and three valve leaflets (), wherein the valve seat () is a one-way limiting expandable annular metal seat; the head end of each seat body unit () is sequentially provided with a first rivet (), a limiting protrusion () and a first long circular groove () from the outside to the inside; the tail end of each seat body unit () is sequentially provided with a second long circular groove (), a second limiting hole () and a first limiting hole () matched with the limiting protrusion (), and a second rivet () matched with the first long circular groove (). The presettable artificial biological aortic valve has an original preset state and a normal use state after one-way limiting expansion.

Presettable artificial biological aortic valve

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.

One-way limiting expandable artificial biological heart valve

Growing community of inventors

Beijing, China

Tiegang Liu