FIELD: medical engineering.
SUBSTANCE: device has curved flexible air-conducting tube and mask segment. The mask segment is shaped to completely fit to the area above the laryngeal orifice. Supporting member has a set of thin flexible ribs branching out from core member stretching from opening area. Having the air duct device mounted, the flexible ribs thrust against the pharyngeal side of cricoid laryngeal cartilage immediately under the esophagus. The mask segment is fixed and thrusts against hard surface without injuring soft esophageal tissues. Versions of present invention differ in means for fixing around the laryngeal orifice of a patient.
EFFECT: enhanced effectiveness of lung ventilation in unconscious state.
14 cl,8 dwg
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