In medicine, devices are sometimes necessary to createsuction. Suction may be used to clear theairway of blood, saliva, vomit, or othersecretions so that a patient may breathe. Suctioning can preventpulmonary aspiration, which can lead to lung infections. Inpulmonary hygiene, suction is used to remove fluids from the airways,[1] to facilitatebreathing and prevent growth of microorganisms. Small suction-providing devices are often calledaspirators.
Insurgery suction can be used to remove blood from the area being operated on to allow surgeons to view and work on the area. Suction may also be used to remove blood that has built up within the skull after anintracranial hemorrhage.[2]
Suction devices may be mechanical hand pumps or battery or electrically operated mechanisms. In manyhospitals and otherhealth facilities, suction is typically provided by suction regulators, connected to a centralmedical vacuum supply by way of a pipeline system. The plastic, rigidYankauer suction tip is one type of tip that may be attached to a suction device. Another is the plastic, nonrigid French or whistle tip catheter.[3]
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