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US 9,539,403 B2Granted
Mask system
AssigneeResMed Limited
InventorsMatthew Eves, Muditha Pradeep Dantanarayana, Errol Savio Alex D'Souza, Rupert Christian Scheiner, Stuart Norris Plascott, Jamie Graeme Wehbeh, Murray William Lee
Life of this patent
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Abstract
A mask system (10) includes a frame (20) defining a breathing chamber, a cushion (40) provided to the frame and adapted to form a seal with the patient's face, and a shroud (50) provided to the frame and adapted to attach headgear. The shroud includes a retaining mechanism structured to connect the shroud to the frame. The retaining mechanism includes both a taper lock arrangement and a retaining clip arrangement.
Claims29
A mask system comprising:
- a frame defining a breathing chamber;
- a cushion provided to the frame and configured to form a seal with a patient's face;
- and
- a shroud provided to the frame and configured to attach headgear,
- wherein the shroud includes a retaining mechanism structured to connect the shroud to the frame, the retaining mechanism includes both a taper lock arrangement that engages the frame and a retaining clip arrangement that engages the frame, and the taper lock arrangement includes a pair of tang protrusions provided on an underside of the shroud configured to engage with respective slots provided to the frame.
2 more elements
Dependencies are inferred from the claim text.