Instructions for Use: iDEXIS Refillable Injection Pen The iDEXIS Refillable Injection Pen is designed for precise and convenient self-administration of medication. Before first use, ensure all components are clean and intact. Follow the steps carefully to insert the medication cartridge, prepare the pen, and deliver the correct dose. Always refer to your prescribed dosing instructions and replace cartridges as needed. Dispose of used needles safely after each injection.