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A technology of bending pipes and components, applied in the direction of respiratory protection devices, respirators, life-saving equipment, etc.
Inactive Publication Date: 2005-10-26
RESMED LTD
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[0019] While the vents and connectors described in the aforementioned references provide adequate breathable air/gas and ventilation for masks with a small number of dead spac
Method used
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[0185] Figure 1 shows an exploded cross-sectional view of a mask assembly 5 according to one embodiment of the present invention. The mask assembly 5 is to be worn by the user 1 and substantially surrounds the nose 3 of the user 1 . The mask assembly 5 includes, for example, a mask frame 10 , a swivel elbow assembly 20 connected to the mask frame 10 , and a mask cushion 30 connected to the mask frame 10 . The swivel elbow assembly is adapted to be connected to an air tube 168 that supplies breathing gas to the user 1 .
[0186] The mask cushion 30 is designed to substantially surround the user's nose 3 and apply pressure to the periphery of the mask 30 while minimizing and / or avoiding contact with pressure sensitive areas of the user's face. Some parts of the user's face, such as the bridge of the nose area, require special attention to obtain a balance of pressure and seal. At the same time, it is desirable to provide a low slip mask to improve the comfort of the user 1 by ...
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Abstract
An elbow component used on a breather mask consists of an elbow (160), an air inlet (162), an air outlet (164) and a deflector (161) separating the air inlet from the air outlet. The mask component consists of a hood pad (30) with at least one gusset plate and a hole (42) connected with the elbow component (20).
Description
[0001] This application claims U.S. Provisional Application No. 60 / 424,695 filed November 8, 2002, U.S. Provisional Application No. 60 / 474,928 filed June 3, 2003, and U.S. Non-Provisional Application No. 6, filed September 6, 2002 .10 / 235,846, which in turn claims priority to US Provisional Application No. 60 / 317,486, filed September 7, 2001, and US Provisional Application No. 60 / 342,854, filed December 28, 2001. The entire contents of each of the aforementioned applications are hereby incorporated by reference. technical field [0002] The present invention relates to mask frames and bends for mask systems for continuous positive airway pressure (CPAP) treatment of non-invasive positive airway pressure (NPPV) and sleep disordered breathing (SDB) conditions, such as obstructive sleep apnea (OSA). Tube. Background technique [0003] The use of NPPV for the treatment of SDB, such as OSA, was initiated by Sullivan (see, eg, U.S. Pat. No. 4,944,310, which is hereby incorporated...
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Application Information
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