A portable closed wound drainage system that uses a pouch shaped dressing which is inserted into a wound. At least a portion of the outer surface of the pouch 1 is porous to allow exudates to enter. Exudates are removed from the pouch by flexible tubing which is secured inside the pouch at one end, and...http://www.google.com/patents/US8034038?utm_source=gb-gplus-sharePatent US8034038 - Closed wound drainage system
