CUSHION FOR A RESPIRATORY MASK ASSEMBLY

The present invention relates to a cushion (14) for a respiratory mask assembly (10) that delivers breathable gas in a range of operating pressures to a patient, the cushion comprising a non-face contacting portion (24) connected to a frame (12), a face-contacting or interacting portion (26) structu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kwok, Philip Rodney, Davidson, Aaron Samuel, Hitchcock, Robin Garth, Drew, Joanne Elizabeth, Gunaratnam, Michael Kassipillai, Mcauliffe, Patrick John, Frater, Robert Henry
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	The present invention relates to a cushion (14) for a respiratory mask assembly (10) that delivers breathable gas in a range of operating pressures to a patient, the cushion comprising a non-face contacting portion (24) connected to a frame (12), a face-contacting or interacting portion (26) structured to form a contact seal with the patient's face in use, and a central portion (28) that interconnects the non-face contacting portion and the face-contacting portion, the central portion being structured to automatically adjust a component of force applied to the patient's face through the face-contacting portion in accordance with operating pressure, while maintaining the contact seal throughout the range of operating pressures.