Mask assembly

US8875709B2 · kind B2 · utility

Assignee

• ResMed Corp. · AU

Inventors

• Aaron Samuel Davidson · Sydney, AU
• Lemmy Nga · Sydney, AU
• Michael John Reid · Sydney, AU
• Angelene Marie Ozolins · Sydney, AU
• Scott Alexander Howard · Sydney, AU
• Amal Shirley Amarasinghe · Parramatta, AU
• Dimitri Marco Maurer · Gosford, AU
• Bart Jeremy Caffin · Sydney, AU

Key dates

• Filing date: May 8, 2008
• Grant date: Nov 4, 2014
• Expiry date: Dec 18, 2030

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2210/0625
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A mask assembly adapted for use with a positive airway pressure device, includes a mask frame, an elbow assembly provided to the frame, a cushion provided to the frame, a forehead support assembly, and a neck to connect the frame to the forehead support assembly, wherein the neck includes a pair of side walls having a streamlined design that is made to look sleek and reduce or minimize obtrusiveness. The pair of side walls may take the form of a single wall or more than two walls. The mask frame may include a recessed port structure including at least one port having access to an interior of the frame which at least in part with the cushion defines a breathing chamber in communication with a nasal passage of the patient in use. The mask frame may also include a channel to receive the cushion. The channel is formed by an outer wall and an inner wall and the channel includes an inner surface having a bead to engage with an outer surface of an edge of the cushion. The forehead support assembly includes a forehead support and a forehead pad coupled to the forehead support. The elbow assembly includes an elbow connectable to the mask frame. A cover is releasably connectable to the elbow…