The removal of unwanted fluid or semi-fluid material from the body with a syringe and hollow needle or with an intestinal tube and a mechanical pump.
The use of a reduction in pressure to clear away ?uids or other material through a tube. Suction is used to remove blood from the site of a surgical operation; it is commonly necessary to remove secretions from the airways of newly born babies to help them breathe.
n. the use of reduced pressure to remove unwanted fluids or other material through a tube for disposal. Suction is often used to clear secretions from the airways of newly born infants to aid breathing. During surgery, suction tubes are used to remove blood from the area of operation and to decompress the stomach (nasogastric suction) and the pleural space of air and blood (chest suction).
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