Dr. Jim Marino, a retired orthopedic surgeon, shares his journey in orthopedics and his experience with polio. He discusses the development of the Salk polio vaccine and its unintended consequences. Dr. Marino explains the importance of history taking in diagnosing and treating spine-related peripheral neuropathy. He also talks about his passion for invention and his involvement in developing minimally invasive techniques and instruments for spine surgery. Dr. Jim Marino discusses the challenges of autologous bone harvesting and introduces the Corex device, a percutaneous minimally invasive bone harvesting tool. He explains how the device works and demonstrates its use on a simulator. Dr. Marino also shares his thoughts on bone graft substitutes, PRP, and bone marrow aspirate, emphasizing the importance of autologous cancellous bone for optimal bone grafting.