Mask assembly

US10500363B2 · kind B2 · utility

Assignee

• ResMed Pty Ltd · AU

Inventors

• Milind Chandrakant Raje · Parramatta, AU
• Joanne Elizabeth Drew · Fawn Drive, AU
• Robert Henry Frater · Chatswood, AU
• Memduh Guney · Killara, AU
• Timothy Tsun-Fai Fu · Parramatta, AU
• Amal Shirley Amarasinghe · Parramatta, AU
• Clive Solari · Sydney, AU

Key dates

• Filing date: Aug 4, 2016
• Grant date: Dec 10, 2019
• Expiry date: Jun 17, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2206/14
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A mask assembly for therapy of Sleep Disordered Breathing may include: a cushion having a seal forming portion that is structured to form a seal with only the patient's nose in use, the cushion defining at least in part an interior chamber; a shell assembly including a generally rigid shell, the generally rigid shell having a port that opens into the interior chamber, the generally rigid shell including an exhalation vent for venting exhaled gas, an air inlet tube in fluid communication with the cushion to supply breathable gas from a pressurized supply to the interior chamber; and a swivel and an elbow attached to the air inlet tube, the swivel and the elbow configured to be attached to an air supply conduit, wherein the swivel and the elbow are positioned superior to the patient's head in use, and wherein the mask assembly does not contact the patient's forehead in use.