FIELD: medical equipment.
SUBSTANCE: cuff in the form of sealing ring is formed by U-shaped rim and two broad channel gastric drainages with gaps connected to form united gastric drainage hole opened in esophagus. Sealing ring is covered by shell at one side. Additionally the device includes element changing shape of sealing ring.
EFFECT: unhindered measurement of gastric material level, facilitated introduction to airways.
5 cl, 6 dwg
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