The negative pressure therapy is a system of healing and active non-invasive, which uses a controlled and localized negative pressure to stimulate the healing of acute and chronic wounds, because it promotes the formation of granulation tissue, and allows limited infection proper control of loss of body fluids. Since the beginning of this therapy in December 2007, as treating wounds caused by trauma or dehiscence of different stitches, in our department has monitored 21 patients of which have evolved favourably in a well being 100% tolerated and accepted by them.