Paravalvular leak closure devices and methods

US8801706B2 · kind B2 · utility

Assignee

• Medtronic, Inc. · US

Inventors

• Paul Rothstein · Elk River, US
• Cathleen A. Bergin · Hugo, US
• Cynthia Clague · Minnetonka, US
• Michael Green · Forest Lake, US
• Alexander J. Hill · Blaine, US
• James R. Keogh · Maplewood, US
• Timothy G. Laske · Shoreview, US

Key dates

• Filing date: Apr 30, 2010
• Grant date: Aug 12, 2014
• Expiry date: Jun 12, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2218/007
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An ablation catheter including an inner tube having a length, a distal end and a longitudinal axis, a plurality of needles extending from the distal end of the inner tube and biased away from the longitudinal axis, an outer sheath slideably moveable relative to the inner tube to surround at least a portion of the length of the inner tube and its extending needles, and a radio frequency energy source electrically connected to the plurality of needles.