CPAP system

US11529491B2 · kind B2 · utility

Assignee

• ResMed Pty Ltd · AU

Inventors

• Jeremy William Workman · Gemstone Road, AU
• Ernie Wei-Chih Tsai · Sydney, AU
• Michael James Dent · Sydney, AU
• Max William Andrew Kabilafkas · Sydney, AU
• Dimitri Marco Maurer · Gosford, AU
• Andrew CHAN · Sydney, AU
• Justin John Formica · Sydney, AU
• Hargopal Verma · Parramatta, AU
• Katarzyna Anna Krol-Mazur · Sydney, AU
• Chia Ik Tan · Sydney, AU
• Jessie Cindy Maikim · Mountain View, US

Key dates

• Filing date: Apr 6, 2022
• Grant date: Dec 20, 2022
• Expiry date: Apr 6, 2042

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2230/46
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

An apparatus for humidifying a flow of breathable gas includes a water reservoir and a water reservoir dock forming a cavity structured and arranged to receive the water reservoir in an operative position. The water reservoir comprises a reservoir base including a cavity structured to hold a volume of water, the reservoir base including a main body and a thermally conductive portion provided to the main body. The thermally conductive portion comprises a combined layered arrangement including a metal plate and a thin film, the thin film comprising a non-metallic material and including a wall thickness of less than about 1 mm. The thin film is adapted to form at least a bottom interior surface of the water reservoir exposed to the volume of water, and the metal plate is adapted to form a bottom exterior surface of the water reservoir.