The document provides instructions for performing intraosseous infusion into the proximal tibia. It describes selecting the proper insertion site and preparing it with alcohol and betadine. It instructs to rotate the safety cap clockwise to remove it and power the driver to complete insertion until feeling a "pop". It emphasizes the importance of flushing the catheter with a 10 ml syringe prior to administering any drugs or fluids to ensure proper flow. It also notes signs that the catheter is properly placed like firm seating without movement and ability to aspirate blood or marrow from the catheter.