Mask system

US8505535B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Michael Jones · Gloucester, GB
• Amal Shirley Amarasinghe · Parramatta, AU
• Timothy Tsun-Fai Fu · Parramatta, AU
• Perry David Lithgow · Batemans Bay, AU
• Jim Saada · Sydney, AU
• Fiachra Marcus Sweeney · Sydney, AU

Key dates

• Filing date: Dec 23, 2009
• Grant date: Aug 13, 2013
• Expiry date: Apr 3, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2210/0618
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A mask system for treating sleep disordered breathing, comprising headgear, a shell/cushion including a channel adjacent a front aperture, a frame, an elbow including at least one undercut on a proximal end, a retaining ring including a rear flange adapted to be retainably insertable in the channel of the shell/cushion, and a front flange adapted to retainably engage with the at least one undercut of the elbow.