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The NGT is intended for gastric decompression, gastric suction, administration of nutritional supplements and medication, and to monitor core temperature.

The NGT Nasogastric Tube is made of a plastic material, contains three lumens, a main suction lumen, a smaller vent lumen, and a still smaller temperature thermistor lumen. The primary suction lumen is used for drainage, the second vent lumen provides an air inlet as a mechanism to break suction minimizing the potential for tube blockage secondary to mucosal tissue invagination into the side holes of the primary lumen. The device is intended to be used with a standard suction source to facilitate drainage.