Medical devices for amputees, namely, prosthetic limbs, namely, prosthetic arms and legs; prosthetic limb components, namely, prosthetic feet, prosthetic ankle joints, prosthetic knee joints, and prosthetic limb component parts and accessories, namely socket attachment blocks, prosthetic adapters, pylons, suction suspension mechanisms, pin-lock suspension mechanisms, lanyard suspension mechanisms and vacuum suspension mechanisms, socket pads, volume management pads, prosthetic liners, prosthetic sockets, prosthetic sleeves and prosthetic covers; orthotic braces for knees, ankles, hips, feet, legs, shoulders, elbows, wrists and arms; orthotic helmets.