| 摘要 |
A nasal mask ( 301 ) includes a shell ( 308 ) forming a chamber ( 390 ) having an inlet ( 332 ) and at least one outlet and a seal ( 302 ). The seal ( 302 ) is disposed proximate the outlet for contacting and sealing with external skin proximate at least one naris at a base of a nose of a user donning the mask. Substantially all of the sealing occurs between the seal ( 302 ) and the external skin.
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