| 摘要 |
Provided is a breathing mask system, which can relieve or absorb, when wo rn, even such a force as might otherwise be generated to shift a mask cushio n laterally by a user having a moved head. The breathing mask system compris es a mask cushion for covering a nose, a nose and a mouth, or a face entirel y, a first frame connected to the mask cushion and adapted to be fed with a breathing positive-pressure gas from breathing positive-pressure gas feeding means, and a second frame connected to a head gear strap. The breathing mas k system is characterized in that the mask cushion is arranged on the face s ide of the first frame, in that the firstframe is arranged on the face side of the second frame, in that a slide face is formed on at least one of the s ide of the first frame to confront the second frame and the side of the seco nd frame to confront the first frame, and in that the first frame and the se cond frame are connected in such a state that they can slide along the slide face. |
