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:
Jan. 26, 2021
Filed:
Mar. 07, 2019
Symetis SA, Ecublens, CH;
Stephane Delaloye, Bulach, CH;
Jacques Essinger, St-Prex, CH;
Jean-Luc Hefti, Cheseaux-Noreaz, CH;
Youssef Biadillah, Geneva, CH;
Luc Mantanus, Lausanne, CH;
Fabien Lombardi, Prilly, CH;
Symetis SA, Ecublens, CH;
Abstract
A stent-valve for transcatheter implantation to replace a cardiac valve, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation, the stent-valve comprising a stent, a plurality of leaflets for defining a prosthetic valve, an inner skirt, an outer skirt, and a paravalve seal for sealing against surrounding tissue. In some embodiments, the paravalve seal comprises material that swells in response to contact with blood. In some embodiments, the seal comprises a flap or pocket that is distensible in response to backpressure and/or paravalve back-flow of blood.