| 摘要 |
<p>A mouth-to-mouth resuscitation mask comprising a foil (1) of flexible synthetic plastics material, containing a hole (4) provided with an air-permeable material (5). The mask is characterized in that the foil has an elastic edge (6) and the gauze material is made so that air will flow more easily from the outside inwards than the other way around, so that the mask is useful in case of hyperventilation. Further the coloured mask has transparent eye holes (9).</p> |
