St. Pete doctor implants first 3D-printed bone into man's finger

A St. Petersburg doctor created and successfully implanted the nation's first 3D printed finger bone. Dr. Daniel Penello, of Alexander Orthopaedic Associates, started studying and working on the breakthrough procedure after meeting his patient, Robert Smith. Smith, a welder, crushed his left-hand's middle finger while on the job in 2017. Nearly the entire bone shattered, which drastically hindered his hand's mobility. MORE: http://www.fox13news.com/news/local-n...