The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Feb. 15, 2023
Beijing Balance Medical Technology Co., Ltd., Beijing, CN;
West China Hospital of Sichuan University, Chengdu, CN;
Lei Jin, Beijing, CN;
Yingqiang Guo, Chengdu, CN;
Zhihao Fan, Beijing, CN;
Tiegang Liu, Beijing, CN;
Jia Wu, Beijing, CN;
BEIJING BALANCE MEDICAL TECHNOLOGY CO., LTD., Beijing, CN;
WEST CHINA HOSPITAL OF SICHUAN UNIVERSITY, Chengdu, CN;
Abstract
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.