Methods and devices for intra-atrial shunts having adjustable sizes

US9757107B2 · kind B2 · utility

Assignee

• CORVIA MEDICAL, INC. · US

Inventors

• Edward McNamara · Chelmsford, US
• Michael W. Sutherland · Pelham, US
• Matthew J. Finch · Somerville, US
• Stephen J. Forcucci · Arlington, US
• John Mitzel · Chester, US
• David Stephen Celermajer · Sydney, AU
• Hiroatsu Sugimoto · Cambridge, US

Key dates

• Filing date: Feb 2, 2015
• Grant date: Sep 12, 2017
• Expiry date: Feb 2, 2035

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2002/075
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

Devices and methods for treating heart disease by normalizing elevated blood pressure in the left and right atria of a heart of a mammal are disclosed. Devices may include an adjustable hydraulic diameter shunt portion which can be manually adjusted in vivo. Methods are provided for adjusting the flow rate of the devices in vivo.