Nice insights! In fact, another thing that is saving lives and has the ability to revolutionalise medical technology is 3D printing - with the high cost of good quality prosthetics, 3D printing has come as a boon to those who can't afford high end customised prosthetics. With the cost of this technology expected to keep falling, many people globally, especially those in third-world countries could benefit immensely from a customised 3D printed limb.