| 摘要 |
A respiratory mask comprising areas of semi-ridged and semi-soft silicone moulded from an exact impression of the user's face, covering both cheeks (1), forehead (3), and nose (2) including bridge, comprising a gas intake box (5), incorporating nostril extensions (8), located beneath the nose, reducing the dead air space enclosed by the intake box (5). The mask leaves the mouth and eyes accessible. |
