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systematic withdrawal of fluids and discharges from a wound, sore, or cavity.
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 airtight or water-tight drainage of a cavity so that air or contaminants cannot enter; for example, drainage of an empyema cavity carried out by means of an intercostal drainage tube passing into an airtight receiving vessel.
open drainage drainage of a cavity through an opening in the chest wall into which one or more drainage tubes are inserted, the opening not being sealed against the entrance of outside air.
percutaneous drainage drainage of an abscess or collection of fluid by means of a catheter inserted through the skin and positioned under the guidance of computed tomography or ultrasonography.
postural drainage see postural drainage.
tidal drainage drainage of the urinary bladder by an apparatus that alternately fills the bladder to a predetermined pressure and empties it by a combination of siphonage and gravity flow.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
drainage of the urinary bladder by means of an intermittent filling and emptying apparatus.
Farlex Partner Medical Dictionary © Farlex 2012
ti·dal drain·age(tī'dăl drān'ăj)
Evacuation of the urinary bladder by means of an intermittent filling and emptying apparatus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012