Robert Graboyes : 3-D printers are opening up possibilities for low-cost prosthetics . FDA-approved prosthetic hands , for example , can cost $ 40,000 . Printed ones , about $ 50 . Comment: Graboyes : The printed hand shows us how . Such unleashed innovation should be applied across all of health care .
Robert Graboyes : 3-D printers are opening up possibilities for low-cost prosthetics . FDA-approved prosthetic hands , for example , can cost $ 40,000 . Printed ones , about $ 50 . Comment: Graboyes : Such unleashed innovation should be applied across all of health care .