BO VEISLAND / SCIENCE PHOTO LIBRARY BO VEISLAND / SCIENCE PHOTO LIBRARY
Vacuum treatment for ulcer. Artwork of an advanced vacuum-assisted technique to treat an ulcer during open-chest surgery. An ulcer is a localised area of tissue degeneration. The chest is seen in axial cross-section here, with the heart (lower centre), covered to prevent the vacuum device damaging it. This view is from below, with the heart's vena cava inferior vein (blue, round) at lower left. The sternum (breastbone) has been opened up, and the pleura of the left lung (centre right) has been punctured. Vacuum-assisted closure (VAC) uses a foam insert (upper centre) and vacuum device (top) to promote wound healing.
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