Science Nation - Bionic Leg

submitted by: nsf
A shark attack survivor now knows what it feels like to be part bionic man. 23-year-old amputee Craig Hutto has volunteered to play guinea pig, testing a state-of-the-art prosthetic leg with powered knee and ankle joints. With early support from the National Science Foundation and continued support from the National Institutes of Health, Vanderbilt University mechanical engineer Michael Goldfarb has spent several years developing the leg, which operates with special sensors, an electric...

Bone Cancer Surgery Options for the Young Patient

submitted by: mdanderson
Download from iTunes: http://itunes.apple.com/us/itunes-u/bone-cancer-surgery-options/id431848... Osteosarcoma and Ewing's sarcoma are the most common bone tumors found in children. In the past, amputation was the preferred method for removing tumors, but now there are less invasive bone cancer surgery options available. Valerae Lewis, M.D., Associate Professor in the University of Texas MD Anderson Cancer Center Department of Orthopaedic Oncology, discusses limb salvage surgery using an...