Patent · US Active

Transcatheter stent-valves

US10258464B2 · kind B2 · utility

39Cited by

163References

20Claims

0Family size

Assignee

Symetis SA · CH

Inventors

Stephane Delaloye · Bülach, CH
Jacques Essinger · Crissier, CH
Jean-Luc Hefti · Crissier, CH
Youssef Biadillah · Lausanne, CH
Luc Mantanus · Lausanne, CH
Fabien Lombardi · Prilly, CH

Key dates

Filing date	Mar 25, 2013
Grant date	Apr 16, 2019
Priority date	—
Expiry date	Mar 25, 2033

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2250/0069
WIPO fieldMedical technology
WIPO sectorInstruments

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.

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