Active suctioning is used to evacuate a fabric, film or membrane for the purpose of securing orthotic, prosthetic, or other body worn articles, including sports-related articles. In contrast to the straps and tight-fitting approaches of existing devices, the inventive methods and apparatus provide for...http://www.google.co.uk/patents/US7611476?utm_source=gb-gplus-sharePatent US7611476 - Vacuum-sealed orthotic, prosthetic, and other body worn devices
