| 摘要 |
<p>The invention is a laryngeal mask comprising a head piece (10) having a passage arranged between its inlet opening (20) and its abutting opening (18) adapted for fitting on a trachea, an annular cushion (16a) being attached to the head piece (10) and surrounding the abutting opening (18) in its inflated state, and an annular recess (12) being adapted for accommodating the annular cushion (16a) in its deflated state and being formed in the head piece (10) to surround the abutting opening (18).</p> |
