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  • Airway aspirators designed to evacuate obstructive secretions, gas, liquids (e.g., blood), and/or foreign bodies from the trachea and/or bronchial tubes. These devices usually consist of a powered (or less frequently) manual vacuum pump, a pressure regulator and gauge, one or more collection canisters, plastic tubes connecting the components to each other, an overflow protection and/or bacteria filter; an endotracheal tube is usually attached to the aspirator. Tracheal aspirators are usually portable and battery powered. The typical vacuum level is from 80 mm Hg to 120 mm Hg to reduce the risk of trauma. Tracheal aspirators are used to remove secretions and to maintain the airway of an intubated patient; they are mainly used when suction from a central vacuum system is not available or appropriate.
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