Beijing Balance Medical Technology Co., Ltd.

Sichuan University

Jia Wu

Lei Jin

Zhihao Fan

Liyan Li

Kangjian Wu

Hong Mu

Tiegang Liu

Xiangbin Pan

Huanlei Huang

Zhenzhong Wang

Yingqiang Guo

Jiangang Wang

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 split type precisely-anchorable transcatheter tricuspid valve system comprises a split transcatheter tricuspid valve anchoring stent () and a transcatheter artificial biological tricuspid valve (), wherein the shape and structure of the transcatheter tricuspid valve anchoring stent () are matched with the tricuspid valve real structure after the patient's image data is subjected to three-dimensional reconstruction, the transcatheter tricuspid valve anchoring stent () is firstly delivered to the tricuspid valve site of the patient to be released, deformed and personalized and precise alignment with a supravalvular () and subvalvular () tissue of the patient's tricuspid valve site; the transcatheter artificial biological tricuspid valve () is delivered into the transcatheter tricuspid valve anchoring stent () to be released, and the transcatheter artificial biological tricuspid valve () is released and deformed and expanded to a functional state, the transcatheter tricuspid valve anchoring stent () is deformed again to be combined with the expanded transcatheter tricuspid valve (), and meanwhile, the re-deformation of the transcatheter tricuspid valve anchoring stent () is anchored by the combination of the anchoring stent and the subvalvular () tissue in advance. According to the split type accurately anchored transcatheter tricuspid valve system, based on a system designed by three-dimensional reconstruction, accurate anchoring of the personalized transcatheter tricuspid valve can be realized.

Split-type interventional tricuspid valve system capable of accurately anchoring

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

A split type precisely-anchorable transcatheter aortic valve system comprises a split transcatheter aortic valve anchoring stent () and a transcatheter artificial biological aortic valve (), wherein the shape and structure of the transcatheter aortic valve anchoring stent () are matched with the real structure of the aortic valve after the patient's image data is subjected to three-dimensional reconstruction, the transcatheter aortic valve anchoring stent () is delivered to the aortic valve position of the patient to be released, deformed and combined with the aortic valve leaflet tissue and the subvalvular tissue of the patient; the transcatheter artificial biological aortic valve () is delivered into the transcatheter aortic valve anchoring stent () to be released, the valve stent is deformed to expand the valve to the functional state, the transcatheter aortic valve anchoring stent () is deformed again and combined with the expanded transcatheter artificial biological aortic valve (), and meanwhile, the transcatheter aortic valve anchoring stent () is deformed and anchored again. A system designed based on three-dimensional reconstruction can realize accurate anchoring of transcatheter aortic valve personalization.

Split type precisely-anchorable interventional aortic valve system

A split type precisely-anchorable transcatheter mitral valve system comprises a split transcatheter mitral valve anchoring stent () and a transcatheter artificial biological mitral valve (), wherein the shape and structure of the transcatheter mitral valve anchoring stent () are matched with the mitral valve real structure after the patient image data is subjected to three-dimensional reconstruction, the transcatheter mitral valve anchoring stent () is firstly delivered to the mitral valve position of the patient to be released and deformed, and the transcatheter artificial biological mitral valve () is in personalized precise alignment and coaptation with tissues on the mitral valve position of the patient and under the petals; the transcatheter artificial biological mitral valve () is delivered into the transcatheter mitral valve anchoring stent () to be released, the transcatheter artificial biological mitral valve () is released and deformed and expanded to a functional state, the transcatheter mitral valve anchoring stent () is again deformed and combined with the expanded transcatheter artificial biological mitral valve (), and meanwhile, the re-deformation of the transcatheter mitral valve anchoring stent () enables the mitral valve anchoring stent () to be anchored with the lower leaflet tissue in a preset combination. The split type accurately anchored transcatheter mitral valve system can realize accurate anchoring of transcatheter mitral valve personalized based on a system designed by three-dimensional reconstruction.

Split-type precisely anchored interventional mitral valve system

Growing community of inventors

Beijing, China

Jia Wu