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ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH ELBOW ASSEMBLY
ERGONOMIC AND ADJUSTABLE RESPIRATORY MASK ASSEMBLY WITH ELBOW ASSEMBLY
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机译:具有弯头组件的符合人体工程学和可调节的呼吸面罩组件
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摘要
A patient interface assembly includes a frame with a central aperture by which a flow of pressurized breathable gas is introduced in use. The frame includes a wall on a central portion of the frame that surrounds the central aperture. A cushion is removably secured to the frame at the wall surrounding the central aperture and is made of a material that is relatively softer than the frame. A headgear assembly includes a pair of strap portions constructed of a flexible fabric material. A pair of yoke portions is positioned between the strap portions and the frame. Each yoke portion has a proximal end adjacent the frame and a distal end having a connector slot that connects to the respective strap portion of the headgear assembly. The yoke portions have a multilayer construction with one layer being a fabric layer. The yoke portions have a degree of flexibility in one direction and are more resistant to bending in another direction generally orthogonal to the one direction to resist vertical rotation of the patient interface assembly.
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