A reduced pressure treatment apparatus includes a drape for positioning over the wound site to create and maintain a substantially air-tight cavity between the wound site and the drape. A multi-lumen suction tube is provided to be attached to a reduced pressure source. The multi-lumen suction tube includes...http://www.google.com/patents/US7670323?utm_source=gb-gplus-sharePatent US7670323 - Portable wound treatment apparatus having pressure feedback capabilities