Orthopedic articles, namely orthotic and prosthetic medical devices to externally support the human skeletal and joints and to replace functional amputated body parts; orthopedic bandages; orthoses in the nature of orthotic medical devices to externally support the human skeletal and joints and static bandages, splints and functional braces for such orthotic medical devices; prosthetics, namely prosthetic medical devices to replace amputated body parts such as feet, knees and hips, and constructional parts therefor to assemble the prosthetic limb, namely connecting adapters, pylons, locking devices and suction valves; artificial limbs and fittings therefor; locking liners and cushion liners as suspension systems for prosthetics to fit the residual limb to the prosthetic limb with a locked connection or with a vacuum fitting