Respiratory mask assembly

US8353294B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Robert Henry Frater · Chatswood, AU
• Joanne Elizabeth Drew · Fawn Drive, AU
• Philip Rodney Kwok · Chatswood, AU
• Patrick John McAuliffe · Parramatta, AU
• Aaron Samuel Davidson · Sydney, AU
• Robin Garth Hitchcock · Parramatta, AU
• Michael Kassipillai Gunaratnam · Chatswood, AU

Key dates

• Filing date: Mar 21, 2011
• Grant date: Jan 15, 2013
• Expiry date: Apr 14, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M16/0825
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A cushion for a respiratory mask assembly includes a breathing chamber forming portion and a face contacting portion formed in one piece of an elastomeric material, and a gusset portion including one or more folds. The breathing chamber forming portion includes a mask interior breathing chamber and the face contacting portion is structured to engage a patient's face. The gusset portion is structured to provide flexibility to the face contacting portion. The breathing chamber forming portion includes a front side of the mask and the face contacting portion includes a rear side of the mask. The breathing chamber forming portion, when provided to a mask frame, includes an exterior surface exposed at the front side of the mask.