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Suction regulators designed to control the high levels of negative pressure (usually from 400 to 600 mm Hg) applied at the surgical site; some regulators permit the application of full line suction from wall vacuum outlets. These regulators usually include the pressure-regulation mechanism, pressure-adjusting controls, and a calibrated manometer. Surgical suction regulators are usually a component of a suction system connected to the wall outlet of a central vacuum system; they are used to control the removal of secretions (e.g., vomitus, mucus, blood) during surgical procedures as well as secretions in wound cavities after surgery.
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