Specific gastric reflux preventing drainage tube for esophagus drainage type laryngeal mask
A drainage tube and anti-reflux technology, applied in the field of medical devices, can solve the problems of large reflux of the laryngeal mask, increase the risk of reflux, displacement, etc., and achieve the effect of avoiding the phenomenon of reflux and reducing the risk of flatulence and aspiration.
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[0034] The present invention as Figure 1-11 As shown, the laryngeal mask includes a mask body 1, a ventilation tube 2 and an esophageal drainage tube 3, and the mask body communicates with the mask body trachea 4 (the mask body trachea is a trachea with a pressure indicating bag, which is convenient for observing the pressure). The opening at the top of the ventilator communicates with the ventilation tube to form an airway, and the esophageal drainage tube is arranged in the ventilation tube; the trachea of the mask body is used to inflate and exhaust the mask body;
[0035] The gastric drainage tube includes a tube body 5, which is detachably arranged in the esophageal drainage tube, the distal end of the tube body is provided with an opening 6 and a balloon 7 in turn, and the proximal end is sequentially provided with an aspirator connection port 8, Trachea 9 (the trachea is a trachea with a pressure indicating bag, which is convenient for observing the pressure) and a r...
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