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:
Nov. 25, 2025
Filed:
Sep. 03, 2021
Symetis SA, Ecublens, CH;
Arnaud Humair, Mont-sur-Rolle, CH;
Jean-Luc Hefti, Cheseaux-Noréaz, CH;
Stephane Delaloye, Buelach, CH;
Symetis SA, Ecublens, CH;
Abstract
Embodiments herein include a cardiac stent-valve for transcatheter delivery being compressible to a compressed state for delivery, and expandable to an expanded state for implantation. The stent-valve including a stent with an axial inflow end and an axial outflow end, a plurality of leaflets arranged within the stent, and a sealing skirt for reduction or prevention of paravalvular leakage. In the expanded state, the sealing skirt includes a tubular inner wall and at least one pocket which is positioned on the tubular inner wall and comprises an outer wall which extends radially outward from the tubular inner wall. The pocket is configured to be distended radially outward in response to inflow of blood in the expanded state. In the expanded state, the outer wall of the pocket includes one or more pre-shaped bulges which extend radially outward from the outer wall of the pocket. Other embodiments are also included herein.