Stented prosthetic heart valve having a paravalvular sealing wrap

US11406496B2 · kind B2 · utility

Assignee

• Medtronic Vascular, Inc. · US

Inventors

• Elliot Howard · Irvine, US
• Amy Hallak · Laguna Hills, US
• Ana Menk · Okabena, US
• Matthew Weston · Roseville, US
• Joel Racchini · St. Louis Park, US

Key dates

• Filing date: Jun 30, 2020
• Grant date: Aug 9, 2022
• Expiry date: Feb 6, 2041

Classification

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

Abstract

Stented prosthetic heart valves including a stent frame having a plurality of stent frame support structures collectively defining an interior surface, an exterior surface and a plurality of cells. The stented prosthetic heart valve further including a valve structure including valve leaflets disposed within and secured to the stent frame and defining a margin of attachment. The stented prosthetic heart valve including one or both of an outer paravalvular leakage prevention wrap and an inner skirt for supporting the valve leaflets. In various embodiments, the outer wrap is positioned entirely on one side of the margin of attachment. In embodiments including an inner skirt, the outer wrap and the inner skirt are on opposite sides of the margin of attachment such that the inner skirt and the outer wrap do not overlap. In other embodiments, the outer wrap includes a plurality of zones having varying thickness.