Suction Drainage
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![Suction Drainage](http://www.luneburgweimer.com/wp-content/uploads/2019/05/Closed-Wound-Suction-Drainage-268x268.jpg)
Suction Drainage
The closed-wound suction unit is used to drain surgical wounds of serosanguineous fluid to prevent infections, hematomas, or other materials from accumulating and interfering with wound healing. The container maintains a near-constant medium-level vacuum, which causes the serosanguineous fluid to drain from the wound.