through drainage

drainage /drain·age/ (drān´ij) systematic withdrawal of fluids and discharges from a wound, sore, or cavity.

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capillary drainage  that effected by strands of hair, surgical gut, spun glass, or other material of small caliber which acts by capillary attraction.

closed drainage  drainage of an empyema cavity carried out with protection against the entrance of outside air into the pleural cavity.

manual lymph drainage  the application of light rhythmic strokes, similar to those of effleurage, in the direction of the heart to increase the drainage of lymph from the involved structures.

open drainage  drainage of an empyema cavity through an opening in the chest wall into which one or more rubber drainage tubes are inserted, the opening not being sealed against the entrance of outside air.

postural drainage  therapeutic drainage in bronchiectasis and lung abscess by placing the patient head downward so that the trachea will be inclined below the affected area.

through drainage  that achieved by passing a perforated tube through the cavity, so that irrigation may be effected by injecting fluid into one aperture and letting it escape out of another.

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through drainage (thr)

n.

The passage of an open-ended perforated tube through a cavity to drain or irrigate the cavity.