Mask system

US9027556B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Eva Ng · Sydney, AU
• David James Lockwood · Melbourne, AU
• Jamie Graeme Wehbeh · Sydney, AU
• Zoran Valcic · Chatswood, AU
• Errol Savio Alex D'Souza · Sydney, AU
• Matthew Eves · Sydney, AU
• Mahsita Sari · Sydney, AU

Key dates

• Filing date: Jan 23, 2013
• Grant date: May 12, 2015
• Expiry date: Jan 23, 2033

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2209/06
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A cushion module provided to a frame module for delivery of a supply of gas at positive pressure to be delivered to a patient's airways, the cushion module comprising a main body and a cushion, the main body defining a breathing chamber and having an exterior surface adapted to directly engage with a surface of the frame module, wherein the main body and the cushion together comprise a co-molded, integrated component, the main body comprising a molded polycarbonate material adapted to directly contact the frame module and the cushion comprises a molded silicone material adapted to interface with patient's face, and wherein the molded polycarbonate material of the main body is a more rigid material than the molded silicone material of the cushion.