| 摘要 |
An airway device for animal or human use, said device comprising an airway tube 11 having a distal end 13 and a proximal end 12, wherein the distal end 13 of the airway tube 11 is surrounded by a non-inflatable laryngeal cuff 14, and wherein the face of the laryngeal cuff 14 is shaped to form an anatomical fit over the laryngeal inlet of an animal or human patient, wherein the face of the laryngeal cuff is a generally elongate elliptical shape, wherein the ratio A/B of the length of the major axis A or the ellipse to the length of the minor axis B of the ellipse is greater than 2∓10%. In another aspect, the laryngeal cuff incorporates an opening, wherein the opening tapers or narrows towards the proximal end of the cuff. |
