Chronic wounds is a problem which affects 6.5 M of persons in the US, most of them diabetic, and is the main cause of amputation in the world. Treatment involves hospitalization and the use of vacuum pumps and other cumbersome therapies. We developed an innersole that creates negative pressure by simply walking on it, stimulating the regeneration and immune response. Our licensing, prrocution and distribution models allows universal, free and unrestricted access to the technology. No limits!