Patent · US Active

Aortic stent-graft

US12226306B2 · kind B2 · utility

0Cited by

1References

7Claims

0Family size

Assignee

Hongwei Chen · CN

Inventors

Hongwei Chen · Hangzhou City, CN
Weiguo Fu · Zhejiang, CN
Lixin Wang · Beijing, CN

Key dates

Filing date	Jan 17, 2020
Grant date	Feb 18, 2025
Priority date	—
Expiry date	Feb 11, 2042

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2250/0039
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An aortic stent-graft includes a main aortic stent-graft and a plurality of branch arterial stent-grafts. The main aortic stent-graft includes a proximal segment, a depressed segment, and a distal segment; steps are provided on a top surface of the depressed segment from left to right; one or two first orifices are formed on a middle-upper part of a right side wall of the proximal segment, and one or two second orifices are formed on a right side wall of the steps; a first inner chimney stent is fixed inside the first orifice and a second inner chimney stent is fixed inside the second orifice; the first inner chimney stent is sutured along an inner wall of the proximal segment, and the second inner chimney stent is sutured along an inner wall of the steps; and one of the branch arterial stent-grafts is placed inside each inner chimney stent.

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