Patent · US Active

Leaflet positioning and fixing clip and narrow-environment orientation system thereof

US11819408B2 · kind B2 · utility

0Cited by

0References

20Claims

0Family size

Assignee

Shanghai ConFlow MedTech Co., Ltd. · CN

Inventors

Xiumin Chen · Shanghai, CN
Baicheng HU · Shanghai, CN
Qing Li · Beijing, CN

Key dates

Filing date	Jul 29, 2022
Grant date	Nov 21, 2023
Priority date	—
Expiry date	Jul 29, 2042

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2220/0016
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

A leaflet positioning and fixing clip and a narrow-environment orientation system thereof are provided. The clip includes a fixing element, a lower gripping arm assembly sleeved outside the fixing element, an upper gripping arm assembly sleeved outside the lower gripping arm assembly, a pull rope controlling the upper gripping arm assembly to move, and an occlusive film attached below the lower gripping arm assembly. The upper gripping arm assembly includes an upper central fixing plate and upper gripping arms radially distributed around the upper central fixing plate. The lower gripping arm assembly includes a lower central fixing plate and lower gripping arms. There are at least two upper gripping arms mated with at least two lower gripping arms to form grippers for gripping a tricuspid valve. The occlusive film is stably positioned in a center of the tricuspid valve through the grippers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.