Nasal mask system

US9149593B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Brent James Dravitzki · Sydney, AU
• Enrico Brambilla · Irvine, US
• Lemmy Nga · Sydney, AU
• Nigel Quarmby · Parramatta, AU
• Aaron Samuel Davidson · Sydney, AU
• Joel Edward Gibson · Sydney, AU
• Anthony Paul Barbara · Sydney, AU
• Justin John Formica · Sydney, AU
• Angelene Marie Ozolins · Sydney, AU
• Robert Thomas Burnham · Sydney, AU
• Lachlan Richard Goldspink · Sydney, AU

Key dates

• Filing date: May 28, 2010
• Grant date: Oct 6, 2015
• Expiry date: Sep 17, 2030

Classification

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

Abstract

A mask system includes a frame (20) adapted to attach headgear, a sealing arrangement (40) releasably connectable to the frame, and an elbow (70) provided to the sealing arrangement and adapted to be connected to an air delivery tube that delivers breathable gas to the patient. The sealing arrangement defines a breathing chamber and is adapted to form a seal with the patient's face. The sealing arrangement includes structure (50) to establish a positive connection with the frame and with the elbow.