Transcatheter stent-valves and methods, systems and devices for addressing para-valve leakage

US11207176B2 · kind B2 · utility

Assignee

• Boston Scientific Scimed, Inc. · US

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: Nov 4, 2016
• Grant date: Dec 28, 2021
• Expiry date: Nov 4, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2250/0069
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Some embodiments of the present disclosure provide a stent-valve for transcatheter implantation to replace a cardiac valve. In some embodiments, the stent valve being compressible to a compressed state for delivery, and expandable to an operative state for implantation. In some embodiments, the stent-valve comprises 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 comprising material that swells in response to contact with blood or components thereof.