What is drainage?

Drainage are:

  • - 1. The continuous withdrawal of fluids from a cavity or wound
  • - 2. The material withdrawn or discharged.

capillary d. Drainage effected by means of a wick of gauze, strands of hair, or other material.
closed d. Drainage of chest cavity carried out with protection against the entrance of
outside air into the cavity.
open d. Drainage of chest through an opening in the chest wall without sealing off the outside air.
postural d. A gravitational method of draining accumulated secretions in the airways of the lungs; the patient lies on an inclined surface with head downward in alternating positions.
tidal d. Drainage of a paralyzed urinary bladder by an irrigation apparatus.

See also:

Alphabetical List of Terms: