Auto-inflation cuffs

US7686019B2 · kind B2 · utility

Inventors

• Markus Weiss · Munich, DE
• William Denman · Winchester, US

Key dates

• Filing date: Nov 23, 2005
• Grant date: Mar 30, 2010
• Expiry date: Jun 27, 2027

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2016/0413
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A medical ventilation device comprising a cannula having proximal and distal ends; an inflatable cuff adapted to be inflated to an inspiratory pressure, the cuff attached to and surrounding a portion of the cannula toward the distal end thereof; an inspiratory pressure inflation tube having first and second ends, the first end in communication with an interior of the inflatable cuff, the second end adapted to communicate with an inspiratory pressure source; and a pressure valve in communication with the inspiratory pressure inflation tube.